3
4
ELECTRICAL
TERMINAL
BLOCKS
The specifications and recommendations contained in this literature are subject to change without notice.
TERMINAL SPACINGS
Center-To-Center Spacing
(Dimensions in parentheses
equal mm.)
Wire Range (AWG)
No. of Terminals
TERMINAL TYPES
Feed Thru (Fully Insulated
Feed Thru
Printed Circuit
Surface (Fully Insulated)
RATING
Voltage (Varies with Applica-
tion. See Specifications.)
Current (Amps)
HOUSING
Material (Black)
Phenolic
*150° C (302° F)
Polyphenylene
*110° C (230° F)
Thermoplastic-Polyester
*140° C (284° F)
Flammability
RECOGNITION
Underwriter ’s Laboratories
Components Laboratories
CSA Certified
FOR COMPLETE
ENGINEERING SPECIFICA-
TIONS SEE PAGES ...
SE/SEI 37000/
38000 1500/2000 CB/CFT AFTD E GFT/GB
1/4”
(6.35)
22 to 16
1 thru 26
•
•
•
•
250V
5
•
94V-0
•
•
4-5
3/8”
(9.52)
22 to 12
1 thru 26
•
•
•
300V
20
•
94V-0
•
•
6-9
3/8” & 7/16”
(9.52 &
11.11)
22 to 10
1 thru 22
•
•
•
300V
30
•
94V-0
•
•
10-11
3/8”
(9.52)
22 to 12
1 thru 26
•
•
•
600V
20
•
94V-0
•
•
12-14
.325
(8.25)
22 to 16
2 thru 17
•
300V
10
•
94V-0
•
•
15
3/8”
(9.52)
22 to 16
1 thru 22
•
•
•
250V
15
•
•
94V-0
•
•
16-17
7/16”
(11.11)
22 to 12
1 thru 26
•
•
•
•
600V
20
•
94V-0
•
•
18-20
SERIES/TYPE
5
ELECTRICAL
TERMINAL
BLOCKS
TERMINAL SPACINGS
Center-To-Center Spacing
(Dimensions in parenthe-
ses equal mm.)
Wire Range (AWG)
No. of Terminals
MOUNTING METHOD
Surface
Snap-in T rack Modular
Assembly
RATING
Voltage
Current (Amps)
HOUSING
Material (Black)
Phenolic
*150° C (302° F)
Polyphenylene
*110° C (230° F)
Thermoplastic-Polyester
*140° C (284° F)
Flammability
RECOGNITION
Underwriter ’s Laboratories
Components Laboratories
CSA Certified
FOR COMPLETE
ENGINEERING SPECIFICA-
TIONS SEE PAGES ...
71000 SW
DSW W
DW ETA
Circuit
Breaker MCDM/
CT H/BT
.629”
(15.97)
1 to 22
3 thru 6
•
•
600V
85
94V-0
•
•
21
SERIES/TYPE T/U LOS
3/8”
(9.52)
22 to 8
2 thru 192
•
600V
25-50
***
•
94V-2
•
•
22-23
7/16”
(11.11)
22 to 8
2 thru 164
•
600V
25-50
•
94V-1
•
•
24-25
7/8”
(22.22)
1
•
250V
Up to 30
•
94V-1
26
1/2””
(12.7)
22 to 12
1 thru 24
•
300V
15-25
•
94V-1
•
•
28-29
35/64”
(13.86)
CDM-22 to 10
CT -22 to 12
1 thru 50
•
600V
30-20
•
94V-0
•
•
30-31
.652”
(16.56)
H-16 to 4
BT-22 to 10
1 thru 30
•
600V
75-30
•
94V-0
•
•
32-33
N/A
T -6 to 1/0
U-6 to 250
MCM
1 thru 6
•
600V
125-250
•
94V-1
•
•
34-35
N/A
Up to 1
1 thru 12
•
600V
100
•
95V-1
•
•
34-35
N/A
Up to 1/0
1 thru 4
•
600V
125
•
95V-1
•
•
34-35
N/A
Up to 4/0
1 thru 4
•
600V
225
•
95V-1
•
•
34-35
* Continuous Use Temperature UL Index
*** Material – White
6
SERIES SE/SEI
FEATURES
•MINIATURE FEED-THRU, PRINTED CIRCUIT AND SURFACE
CONNECTION – SE Series miniature terminal blocks are designed for
applications requiring the compactness and versatility of the SEI Series
without full feed-thru insulation.
•BARRIER-TYPE CONSTRUCTION – Blocks are made of high-impact,
break-resistant thermoplastic molding with integrally mounted .1 16 inch
diameter mounting holes. One thru 26 terminals on 1/4 inch center-to-
center spacing.
•TERMINAL FLEXIBILITY – External terminals available in two No. 2-
56 screw designs. Internal terminals include an .047 inch diameter
printed circuit pin, and turret-type solder pins.
•WIRE SIZES – No. 2-56 screws. UL recognized for No. 22 AWG to No.
16AWG.
•RECOGNITION AND LISTING – UL recognized.
•STANDOFFS – SEPX and SEFX are now supplied with .020 inch
standoffs for ease in cleaning after soldering.
Recognized under the Components Program of Underwriters Laboratories,
Inc. Standard 1059, Guide No. XCFR2, File No. E62557.
Guide No. 184-N-90, Report No. LR39186-1.
VARIATIONS
INTERNAL TERMINAL DESIGNA TIONS
SESX Closed-back design which can be mounted on metal
surface with no additional insulation required.
SEPX, SEIPX Printed circuit board design with .047” tin-plated
brass pin.
SEFX, SEIFX Tin-plated brass turret-type solder pin.
EXTERNAL TERMINAL DESIGNATIONS
SESX, SEPX
SEFX, SEIPX, SEIFX
SESCX, SEPCX,
SEFCX, SEIPCX,
SEIFCX
No. 2-56 plated steel* terminal screw
accepting up to No. 16AWG wire.
Nickel-plated brass surface clamp with
No. 2-56 plated steel* screw to eliminate
lugging. Accepts wire up to No. 16AWG.
1/4” (6.35 mm)
Center-to-Center Spacing
7
ENGINEERING SPECIFICATIONS
Center-to-Center Spacing: 1/4” (6.35 mm)
Wire Range: UL recognized for No. 22AWG to No. 16AWG. Models
SESX, SEIPX, SEIFX, SEPX and SEFX with standard No. 2-56
plated steel screw are UL recognized “for factory wiring only.”
Models SESCX, SEPCX, SEFCX, SEIPCX and SEIFCX are UL
recognized “for field wiring” when ordered with special No. 2-56
stainless steel screw.
Number of Terminals: 1 thru 26
Voltage Rating: UL & CSA – 150 volts – General Industrial
250 volts – Commercial Appliance
Tightening Torque: Wire clamp with stainless steel screw 3 in.-lbs.
Current Rating: 5 amps UL
Housing: “X” Grade
Material; Polyphenylene Oxide
Continuous Use Temp.; 110° C (230° F)
(UL Index)
Flammability Rating; 94V-0
Water Absorption; (24 hrs. % wt. gain) .06%
Chemical Resistance: Resistant to inorganic bases and
acids – for organic substances
contact factory for specific
resistance.
Breakdown V oltage:
Terminal - Terminal: 3,600V Typ.
Terminal - Ground: 4,700V Typ.
NOTE: Specifications contained herein are subject to change
without notice.
HOW TO ORDER
SEI and SE Series terminal blocks are ordered by listing a composite number
made up of the model designation followed by the number of poles required
for the application.
Suffixes are used as follows:
R denotes model less mounting positions.
* The SEPX and SEFX are made with .020” standoffs for ease in cleaning
after the soldering operation.
PC BOARD DRILLING DIMENSIONS
DIMENSIONS
1 .500 12.70 .781 19.84 .375 9.52
2 .750 19.05 1.031 26.19 .625 15.87
3 1.000 25.40 1.281 32.54 .875 22.22
4 1.250 31.75 1.531 38.89 1.125 28.57
5 1.500 38.10 1.781 45.24 1.375 34.92
6 1.750 44.45 2.031 51.59 1.625 41.27
7 2.000 50.80 2.281 57.94 1.875 47.62
8 2.250 57.15 2.531 64.29 2.125 53.97
9 2.500 63.50 2.781 70.64 2.375 60.32
10 2.750 69.85 3.031 76.99 2.625 66.67
11 3.000 76.20 3.281 83.34 2.875 73.02
12 3.250 82.55 3.531 89.69 3.125 79.37
13 3.500 88.90 3.781 96.04 3.375 85.72
14 3.750 95.25 4.031 102.39 3.625 92.07
15 4.000 101.60 4.281 108.74 3.875 98.42
16 4.250 107.95 4.531 115.09 4.125 104.77
17 4.500 114.30 4.781 121.44 4.375 111.12
18 4.750 120.65 5.031 127.79 4.625 117.47
19 5.000 127.00 5.281 134.14 4.875 123.82
20 5.250 133.35 5.531 140.49 5.125 130.17
21 5.500 139.70 5.781 146.84 5.375 136.52
22 5.750 146.05 6.031 153.19 5.625 142.87
23 6.000 152.40 6.281 159.54 5.875 149.22
24 6.250 158.75 6.531 165.89 6.125 155.57
25 6.500 165.10 6.781 172.24 6.375 161.92
26 6.750 171.45 7.031 178.59 6.625 168.27
Inches Metric
(mm) Inches Metric
(mm) Inches Metric
(mm)
Mounting
Dimensions Overall
Dimensions Less Mounting
Positions
No. of
Terminals
Dimensions shown are ±0.030”.
8
FEATURES
•Complete line of 3/8 inch centerline terminal block styles. Terminal blocks
come in surface mount, PC mount, panel mount, and feed-thru styles
with a wide variety of top and bottom terminations available.
•Compliant contact design virtually eliminates solder joint fractures due
to pin twist.
•Standoffs are molded into blocks to prevent trapping solder flux and to
aid in the board cleaning process.
•Broad wire range. The 37000/38000 Series terminal blocks will
accommodate wire sizes up to 12AWG.
•Full line of accessories complements the 37000/38000 Series terminal
blocks, offering greater design flexibility.
•All Curtis terminal blocks for electronic applications are made from self-
extinguishing material rated 94V-0 by Underwriters Laboratories, Inc.
•Customized terminal blocks are available for special applications by
consulting any authorized Curtis distributor, Curtis representative, or
by contacting the Curtis factory direct.
Recognized under the Components Program of Underwriters Laboratories,
Inc. Standard 1059, Guide No. XCFR2, File No. E62557.
Guide No. 184-N-90, Report No. LR39186-1.
SERIES 37000/38000 3/8” (9.52 mm)
Center-to-Center Spacing
VARIATIONS
SERIES 37000
SERIES 38000
9
ENGINEERING SPECIFICATIONS
Center-to-Center Spacing: 3/8” (9.52 mm)
Wire Range: No. 22A WG to No. 12AWG.
Number of Terminals: 1 thru 26 (28 positions on surface
mount without mounting ears)
Voltage Rating: 300 volts
Tightening T orque: Wire Binding Screw 9 in.-lbs.
Wire Clamp 9 in.-lbs.
Current Rating: 20 amps
Housing:
Material: Polyphenylene
Continuous Use Temp.: 115° C
(UL Index)
Flammability Rating: 94V-0
Water Absorption: .03%
Chemical Resistance: Excellent
Breakdown V oltage: 3,000V Typ.
Terminals: Brass, tin-plated.
1- -
2 .825
3 1.200
4 1.575
5 1.950
6 2.325
7 2.700
8 3.075
9 3.450
10 3.825
11 4.200
12 4.575
13 4.950
14 5.325
15 5.700
16 6.075
17 6.450
18 6.825
19 7.200
20 7.575
21 7.950
22 8.325
23 8.700
24 9.075
25 9.450
26 9.825
No. of
Terminals
A±.031
Less
Mounting
Ears (Ref.)
No. of
Terminals
A±.031
Less
Mounting
Ears (Ref.)
SERIES 37000 and 38000
WITH MOUNTING EARS
SERIES 37000 and 38000
WITHOUT MOUNTING EARS
1 1.200 .750 - - 14 6.075 5.625 5.325
2 1.575 1.125 .825 15 6.450 6.000 5.700
3 1.950 1.500 1.200 16 6.825 6.375 6.075
4 2.325 1.875 1.575 17 7.200 6.750 6.450
5 2.700 2.250 1.950 18 7.575 7.125 6.825
6 3.075 2.625 2.325 19 7.950 7.500 7.200
7 3.450 3.000 2.700 20 8.325 7.875 7.575
8 3.825 3.375 3.075 21 8.700 8.250 7.950
9 4.200 3.750 3.450 22 9.075 8.625 8.325
10 4.575 4.125 3.825 23 8.450 9.000 8.700
11 4.950 4.500 4.200 24 9.825 9.375 9.075
12 5.325 4.875 4.575 25 10.200 9.750 9.450
13 5.700 5.250 4.950 26 1.575 10.125 9.825
No. of
Terminals
A±.031
Overall
Dim.
B±.031
Mounting
Dim.
C±.031
Less Mt.
Ft. (Ref.) No. of
Terminals
A±.031
Overall
Dim.
B±.031
Mounting
Dim.
C±.031
Less Mt.
Ft. (Ref.)
SERIES 37000
Surface Mount
with
Mounting Ears
SERIES 37000
Surface Mount
without
Mounting Ears
SERIES 38000
Surface Mount
with
Mounting Ears
SERIES 38000
Long Feed-Thru
SERIES 38000
Short Feed-Thru
10
HOW TO ORDER SERIES 37000 RECOMMENDED P.C. BOARD
DRILLING DIMENSIONS
RECOMMENDED PANEL
CUTOUT DIMENSIONS
HOW TO ORDER SERIES 38000 RECOMMENDED P.C. BOARD
DRILLING DIMENSIONS
RECOMMENDED PANEL
CUTOUT DIMENSIONS
Molding Insert or
Bottom
Termination
Hardware
or T op
Termination
Design
Number of
Positions Special or
Optional
Designs
0 -Surface Mount, No
Bottom Termination
1 -Printed Circuit Pin
2 -T urret Type Solder
Terminal
3 -Quick Connect - .110”
4 -Quick Connect - .187”
5 -Quick Connect - .250”
6 -Wire Wrap Pin
7 -Right Angle Printed
Circuit
0 - Nickel Plated Steel
Screw , Standard
1 - Wire Clamp Screws
2 - Nickel Plated Brass
Screws
3 - Stainless Steel
Screw
4 - Slotted Phillips Head
Screws
5 - Without Screws
6 - Quick Connects,
Screw Type*
8 - Captivated Screw 0 - No additional options
A thru Z - to be assigned
by factory to designate
special options
Insert/
Screw
Dimension
01 thru 26.
Available in
one to twenty-
six positions
0 - Surface Mount
w/ Mounting Ears
1 - Surface Mount w/o
37 1 21 - 15 - 0
Molding Insert or
Bottom
Termination
Hardware
or T op
Termination
Design
Number of
Positions Special or
Optional
Designs
0 -Surface Mount, No Bottom T ermination
1 -Printed Circuit Pin
2 -Turret Type Solder T erminal
3 -Quick Connect - .110”
4 -Quick Connect - .187”
5 -Quick Connect - .250”
6 -Wire Wrap Pin
7 -Right Angle Printed Circuit
0 - Nickel Plated Steel
Screw , Standard
1 - Wire Clamp Screws
2 - Nickel Plated Brass
Screws
3 - Stainless Steel
Screw
4 - Slotted Phillips Head
Screws
5 - Without Screws
6 - Quick Connects,
Screw Type*
8 - Captivated Screw 0 - No additional
options
A thru Z - to be
assigned by factory
to designate special
options
Insert/
Screw
Dimension
01 thru 26. A vailable
in one to twenty-six
positions
0 - Surface Mount
w/ Mounting Ears
1 - Surface Mount w/o
Mounting Ears
2 - Insulated Feed Thru .250
Diameter wMounting Ears
3 - Insulated Feed Thru .250
Diameter w/o Mounting
Ears
4 - Insulated Feed Thru .281
Diameter w/Mounting Ears
5 - Insulated Feed Thru .281
Diameter w/o Mounting
Ears
38 1 21 - 15 - 0
11
ACCESSORIES SERIES 37000
QUICK-CONNECT TERMINALS
COMMON ACCESSORIES
SERIES 37000 AND 38000
ACCESSORIES SERIES 38000
QUICK-CONNECT TERMINALS
TERMINAL BLOCK JUMPERS
TINNERMAN NUTS
COVERS
12
FEATURES
•FLEXIBLE HI-TEMP THERMOPLASTIC TERMINAL BLOCKS – Self-
extinguishing types which resist breakage and other damage (conform
to UL94V-0)
•TERMINAL FLEXIBILITY – Ideal for surface mount, sub-panel or
chassis connections in electronic/electrical circuit applications. One thru
22 terminals. 1500 Series on 3/8 inch centers, 2000 Series on 7/16 inch
center-to-center spacing.
•ECONOMICAL CLOSED-BACK DESIGN – No need for costly insulation
strip.
•BROAD WIRE RANGE – No. 6-32 external twin screws, UL recognized
for No. 22AWG to No. 10AWG. Variations include double solder lug,
single solder lug, wire wrap, solder pin and printed circuit pin.
•UL/CSA ELECTRICAL RATINGS – UL 30 amps/1100 volts RMS (1/3
breakdown voltage), CSA rating: 15 amps/300 volts (1500 Series), 20
amps/300 volts (2000 Series).
•RECOGNITION AND LISTING – Various terminal types are UL
recognized and CSA certified.
Recognized under the Components Program of Underwriters Laboratories,
Inc. Standard 1059, Guide No. XCFR2, File No. E62557.
Guide No. 184-N-90, Report No. LR39186-1. COMPLIES WITH 947-7-1.
SERIES 1500/2000 1500 - 3/8” (9.52 mm)
Center-to-Center Spacing
1500/2000 – May be purchased blank
or factory imprinted to customer
requirement. To order, specify:
1500 Series –
Part No. 247A10-1 thru 22
2000 Series
Part no. 247A11-1 thru 22
1500 – Jumper is constructed of
plated brass. “Rooster comb” design
permits connections to two to 10
poles. To order, specify:
Part No. 278-A11 (plus no. of poles)
Example: 278-A11-10
Part No. 68240100 (Holes) or
68245100 (slots) (2-pole jumper for
1500 only)
2000 – Plated brass in two styles. Type
267-A28 is designed to jump two adjacent
terminals as it is channeled to cross over
the barrier top. “Rooster comb” design of
Type 267-A42 permits connections of two
to 18 poles. To order, specify: Part no. 267-
A42 (Plus No. of poles)
Example: 267-A42-18
1500/2000 – Wire clamp captivated
to No. 6-32 screw eliminates need for
lugs. To order, specify:
Part No. 1500 58525
Part No. 2000 58526 1500/2000 – Rigid .030” thick self-
extinguishing vinyl. Complete with
spring clips for attaching to
mounting positions. To order,
specify:
1500 Series –
Part No. 247B24-1 thru 22 terminals
2000 Series –
Part No. 247B25-1 thru 22 terminals
INTERNAL TERMINAL DESIGNA TIONS
1500/2000-Y Printed circuit board design with .062” x .031” solderable
tin-plated pin
1500/2000-YSY Feed-thru solder pin
1500/2000-YWY Feed-thru wire wrap
EXTERNAL TERMINAL DESIGNATIONS
1500/2000 Screw terminal with No. 6-32 plated steel* screw
accepting up to No. 10AWG wire.
1500/2000-ST Solderable tin-plated double solder tab
1500/2000-3/4ST Solderable tin-plated single solder tab
1500/2000-W Wire clamp captivated to a No. 6-32 plated steel screw
* Other materials available – contact factory or your local representative for
additional information.
ACCESSORIES
YWY
Wire-wrap
Terminal
YSY
Solder
Terminal
Y
Printed
Circuit
Terminal
3/4ST
Single
Solder lug
ST
Double
Solder lug
W
Wire
Clamp
13
HOW TO ORDER
Stock number 1500 is used for terminal blocks on 3/8” centers and 2000 for
terminals on 7/16” centers.
1500/2000 Series terminal blocks are ordered by listing a composite number
made up of the model designation in which the last two digits indicate the
number of poles required for the application. Example: A 1500 10-terminal
block (3/8” centers) becomes stock number 1510; with 7/16” centers) 2010.
Suffixes are used as follows:
ST denotes double solder lug YSY feed-thru solder pin
3/4ST denotes single solder lug YWY feed-thru wire wrap
Y denotes printed circuit pin W wire clamp
The 1510 described above, with double solder lug mounting on 3/8 inch
centers thus converts to stock number 1510-ST. To specify quick-connect
terminals, simply add the style number required. (See accessories on page
10). May be purchased factory-assembled or as customer-installed
accessory.
DIMENSIONS
1 .750 19.05 1.030 26.16 .875 22.22 1.235 31.36
2 1.125 28.57 1.405 35.68 1.312 33.33 1.672 42.48
3 1.500 38.10 1.780 45.21 1.750 44.45 2.110 53.59
4 1.875 47.62 2.155 54.73 2.187 55.56 2.547 64.70
5 2.250 57.15 2.530 64.26 2.625 66.67 2.985 75.81
6 2.625 66.67 2.905 73.78 3.062 77.78 3.422 86.93
7 3.000 76.20 3.280 83.31 3.500 88.90 3.860 98.04
8 3.375 85.72 3.655 92.83 3.937 100.01 4.297 109.15
9 3.750 95.25 4.030 102.36 4.375 111.12 4.735 120.26
10 4.125 104.77 4.405 111.88 4.812 122.23 5.172 131.38
11 4.500 114.30 4.780 121.41 5.250 133.35 5.610 142.49
12 4.875 123.82 5.155 130.93 5.687 144.46 6.047 153.60
13 5.250 133.35 5.530 140.46 6.125 155.57 6.485 164.71
14 5.625 142.87 5.905 149.98 6.562 166.68 6.922 175.83
15 6.000 152.40 6.280 159.51 7.000 177.80 7.360 186.94
16 6.375 161.92 6.655 169.03 7.437 188.91 7.797 198.05
17 6.750 171.45 7.030 178.56 7.875 200.02 8.235 209.16
18 7.125 180.97 7.405 188.08 8.312 211.13 8.672 220.28
19 7.500 190.05 7.780 197.61 8.750 222.25 9.110 231.39
20 7.875 200.02 8.155 207.13 9.187 233.36 9.547 242.50
21 8.250 209.55 8.530 216.66 9.625 244.47 9.985 253.61
22 8.625 219.07 8.905 226.18 10.062 255.5/8 10.422 264.73
Dimensions shown are ±0.030”.
1500/2000 – Available with .187” x
.020” quick-connect tabs for 1500
Series; .250” x 0.32” for 2000 Series.
Nine styles ...tin-plated brass tabs
held in place by terminal screws. Up
to six terminations per pole. To order,
specify:
1500 Series: Parts Nos. TB1-19
2000 Series: Parts Nos. TB31-39
Last digit of part number corresponds
to previous style numbers.
Inches Metric
(mm) Inches Metric
(mm)
Mounting
Dimensions Overall
Dimensions
Inches Metric
(mm) Inches Metric
(mm)
Mounting
Dimensions Overall
Dimensions
ENGINEERING SPECIFICATIONS
Center-to-Center Spacing: 1500 Series 3/8” (9.52 mm)
2000 Series 7/16” (11.11 mm)
Wire Range: 2000 Series up to No. 10AWG. 1500 Series up to No.
12AWG. (CSA requires use of lugs on wire larger than No. 16AWG.)
Number of Terminals: 1 thru 22
Voltage Rating: CSA – 300 volts
UL – 150 volts General Industrial
250 volts Commercial Appliance
300 volts – Limited Energy Industrial
Current Rating: UL: 2000 Series 30 amps, 1500 Series 20 amps.
(CSA: 2000 Series 20 amps, 1500 Series 15 amps)
Tightening T orque:1500 2000
12 in.-lb. 12 in.-lb.
9 in.-lb. 9 in.-lb.
Housing:
Material: Polyphenylene Oxide
Continuous Use Temp.: 110° C (230° F)
(UL Index)
Flammability Rating: 94V-0
Water Absorption:
(24 hrs. % wt. gain) .06%
Chemical Resistance: Resistant to inorganic bases and acids.
For organic substances contact factory
for specific resistance.
NOTE: Specifications contained herein are subject to change
without notice.
2000 - 7/16” (11.11 mm)
Center-to-Center Spacing
PC BOARD DRILLIING DIMENSIONS
14
FEATURES
•COMP ACT BARRIER-TYPE DESIGN – Especially suited for electronic
and control feed-thru applications where space saving is required.
•FULLY INSULTED FEED-THRU, DISCONNECT, PRINTED CIRCUIT
OR SURFACE CONNECTION – One thru 26 terminals on 3/8 inch
center-to-center spacing.
•IMPROVED HIGH BARRIER DESIGN – Meets industrial contact
clearance and creepage requirements set by UL. Rated 20 amps/up to
600 volts.
•SUITABLE FOR HIGH MOISTURE AND DUST ENVIRONMENTS –
Blocks are made of break-resistant, high-impact black thermoplastic.
•SOLID CONSTRUCTION – Terminals are molded in place with precision
screw machined brass inserts which will not twist, virtually eliminating
broken solder joints while providing a full mechanical thread system.
•BROAD WIRE RANGE – No. 6-32 external terminal screw UL recognized
for No. 22A WG to No. 12A WG.
•RECOGNITION AND LISTING – UL recognized and CSA certified.
Recognized under the Components Program of Underwriters Laboratories,
Inc. Standard 1059, Guide No. XCFR2, File No. E62557.
Guide No. 184-N-90, Report No. LR39186-1.
SERIES CB, CFT and CFTD
VARIATIONS
15
HOW TO ORDER
CFT Series terminal blocks are ordered by listing designation followed by
the number of poles required for the application. Example: Type CFT 10-
pole block becomes stock number CFT-10.
Suffixes are used as follows:
W denotes model with wire clamp replacing external screw terminal
C denotes model less mounting positions
A denotes model with 8-32 terminal (CBP only)
To specify quick-connect terminals, simply add the style number required.
May be purchased factory-assembled or as customer-installed accessory.
The CFT-10 described above with wire clamp less mounting positions thus
converts to stock number CFTWC-10.
INTERNAL TERMINAL DESIGNATIONS
CBP Printed circuit board design with .062” diameter tin-plated brass pin.
CBFT Tin-plated brass turret-type solder pin.
CBPN .062” diameter printed circuit pin designed for right angle mounting.
CFT Tin-plated brass turret-type solder pin.
CFTP Printed circuit board design with .062” diameter tin-plated brass pin.
CFTQ .250” quick connect tab terminal.
CFTD Disconnect design with factory installed pin terminals for printed circuit
mounting.
CBDR Right angle disconnect design.
EXTERNAL TERMINAL DESIGNATIONS
Screw terminal with No. 6-32 plated steel*
screw accepting wire up to No. 12AWG.
Screw terminal with No. 8-32 slotted head
screw, nickel plated steel
6-32 slotted head screw with captivated
traveling wire clamp.
* Other materials available – contact factory or your local representative for
additional information.
DETAIL OF PC DISCONNECT PIN (CBDR/CFTD)
ENGINEERING SPECIFICATIONS
Center-to-Center Spacing: 3/8” (9.52 mm)
Wire Range: No. 22A WG to No. 12AWG.
Number of Terminals: 1 thru 26
Voltage Rating: CSA – 300 volts
Screw Terminals
UL – 600 volts – Limited Energy Devices
UL – 300 volts – General Industrial
Quick Connects: UL – 125 volts – Commercial Appliance
Current Rating: 20 amps
Tightening T orque: Wire Binding Screw 12 in.-lb.
Wire Clamps 20 in.-lb.
Housing:
Material: Thermoplastic Polyester
Continuous Use Temp.; 140° C (284° F)
(UL Index)
Flammability Rating; 94V-0
Water Absorption; .08%
Chemical Resistance: Excellent in most environments.
Breakdown V oltage:
Terminal - Terminal: 7,000V Typ.
Terminal - Ground: 6,000V Typ.
Terminals: Solid Brass.
Solder style terminals are plated with high-purity tin for optimum
solderability.
Contact Resistance: .002 ohm Typ. – CFTD
NOTE: Specifications contained herein are subject to change
without notice.
CBP, CBFT, CFT,
CBPN, CFTP,
CFTD, CBDR
CBPA
CBPW , CFTW,
CBPNW , CBFTW,
CFTPW , CFTQW ,
CFTDW , CBDRW
3/16” (9.52 mm)
Center-to-Center Spacing
SPECIAL
80509600
STANDARD
80821600
HIGH RELIABILITY PIN
80900010
16
SERIES CB, CFT and CFTD
1 .750 19.05 1.062 26.98 .437 11.11
2 1.125 28.57 1.437 36.51 .812 20.63
3 1.500 38.10 1.812 46.03 1.187 30.16
4 1.875 47.62 2.187 55.56 1.562 39.68
5 2.250 57.15 2.562 65.08 1.937 49.21
6 2.625 66.67 2.937 74.61 2.312 58.73
7 3.000 76.20 3.312 84.13 2.687 68.26
8 2.250 57.15 2.531 64.29 2.125 53.97
9 3.375 85.72 3.687 93.66 3.062 77.78
10 4.125 104.77 4.437 112.71 3.812 96.83
11 4.500 114.30 4.812 122.23 4.187 106.36
12 4.875 123.82 5.187 131.76 4.562 115.88
13 5.250 133.35 5.562 141.28 4.937 125.41
14 5.625 142.87 5.937 150.81 5.312 134.93
15 6.000 152.40 6.312 160.33 5.687 144.46
16 6.375 161.92 6.687 169.86 6.062 153.98
17 6.750 171.45 7.062 179.38 6.437 163.51
18 7.125 180.97 7.437 188.91 6.812 173.03
19 7.500 190.50 7.812 198.43 7.187 182.56
20 7.875 200.02 8.187 207.96 7.562 192.08
21 8.250 209.55 8.562 217.48 7.937 201.61
22 8.625 219.07 8.937 227.01 8.312 211.13
23 9.000 228.60 9.312 236.53 8.687 220.66
24 9.375 238.12 9.687 246.06 9.062 230.18
25 9.750 247.65 10.062 255.58 9.437 239.71
26 10.125 257.17 10.437 265.11 9.812 249.23
Inches Metric
(mm) Inches Metric
(mm) Inches Metric
(mm)
Mounting
Dimensions Overall
Dimensions Less Mounting
Positions
No. of
Terminals
Dimensions shown are ±0.030”.
ACCESSORIES
QUICK-CONNECT TERMINALS
CB/CFT – Available with .187” x .020” quick-connect tabs of tin-
plated brass, held in place by terminal screws. Six styles...one to
six terminations per pole. Factory-assembled or customer-installed.
Last digit of part number corresponds to previous style numbers.
TINNERMAN NUT
CFT – For speed mounting of terminal blocks
less mounting positions. Part No. TN-375
MARKING STRIPS
CB/CFT – Pre-punched black fiber...mount
under block. May be imprinted to customer
specifications. To order, specify:
Part No. 278A10-1 thru 26 (with mounting hole)
Part No. 278A36-1 thru 26 (less mounting hole)
COVERS
CB/CFT – Rigid .030” thick self-extinguishing
vinyl. Black matte-finished on both sides. May
double as marking strip when imprinted with white
ink. Complete with spring clips for attaching to
mounting positions.
To order specify:
CB/CFT Series –
Part No. 278B27-1 thru 26 terminals.
TERMINAL BLOCK JUMPERS
CB/CFT – Jumper is constructed of plated brass.
“Rooster comb” design permits connections of
two to 10 poles.
To order, specify:
part No. 278-A11 (plus no. of poles)
Example: 278-A11-10.
WIRE CLAMPS
CB/CFT – Wire clamp captivated to No. 6-32
screw eliminates need for lugs. Accepts No.
14AWG wire. Part No. 58537.
Terminal blocks are normally supplied with No. 6-
32 slotted head screws, combination slotted
phillips head screws are available as are other
styles and materials on special order.
PC BOARD DRILLING DIMENSIONS
DIMENSIONS
17
DISCONNECT TERMINAL
ENGINEERING SPECIFICATIONS
Center-to-Center Spacing: .325”
Wire Range: No. 22A WG to No. 16A WG.
Number of Terminals: 2 thru 17
Voltage Rating: 300 volts. UL and CSA.
Current Rating: 10 amps. UL and CSA.
Tightening Torque: Wire Clamp 12 in.-lb.
Housing:
Material: Thermoplastic Polyester
Continuous Use Temp.; 140° C (284° F)
(UL Index)
Flammability Rating; 94V-0
W ater Absorption; .08%
Chemical Resistance: Excellent in most environments.
Breakdown V oltage:
Terminal - Terminal: 7,000V T yp.
Terminal - Ground: 6,000V Typ.
Terminals: Brass.
Standard and special pins are brass plated with high purity tin for
optimum solderability. High reliability pin is a nickel-plated brass shank
with gold plated beryllium copper spring.
Contact Resistance: .002 ohm T yp.
NOTE: Specifications contained herein are subject to change
without notice.
HOW TO ORDER
AFT Series terminal blocks are ordered by listing designation followed by the
number of poles required for the application.
Suffixes are used as follows:
W Denotes model with wire clamp (standard configuration)
C Denotes model less mounting positions (standard configuration)
Example: A 10-pole block becomes stock number AFTDWC-10. Less
mounting holes.
Recognized under the Components Program of Underwriters Laboratories,
Inc. Standard 1059, Guide No. XCFR2, File No. E62557.
Guide No. 184-N-90, Report No. LR39186-1.
DIMENSIONS
Note:
1. mm dim. are shown in parentheses.
2. Recommended pritned circuit board hole size” 0.078” (Standard Pin).
Inches Metric (mm)
1 .376 9.55
2 .701 17.81
3 1.026 26.06
4 1.351 34.32
5 1.676 42.57
6 2.001 50.83
7 2.326 59.08
8 2.651 67.34
9 2.976 75.59
10 3.301 83.85
11 3.621 92.10
12 3.951 100.36
13 4.276 108.61
14 4.601 116.87
15 4.926 125.12
16 5.251 133.38
17 5.576 141.63
No. of
Terminals No. of T erminals
SERIES AFTD .325”
Center-to-Center Spacing
SPECIAL 80509600 STANDARD 80821600
HIGH RELIABILITY PIN
80900010
18
FEATURES
•COMPACT DESIGN – Especially suited for electronic and control and
low power circuit applications up to 15 amps/300 volts.
•FEED-THRU, PRINTED CIRCUIT OR SURF ACE CONNECTION – One
thru 22 terminals on 3/8 inch center-to-center spacing.
•BARRIER-TYPE CONSTRUCTION – Molded of durable black thermo-
set phenolic or high impact, break-resistant thermoplastic. Two .160
inch diameter integrally molded mounting holes.
•TERMINAL FLEXIBILITY – External terminals include two clamp
designs to eliminate lugging and three quick-connect variations for up
to six terminations per pole. Internal terminals include panel feed-thru,
printed circuit and insulated surface mount.
•WIRE SIZES – No. 5-40 external terminal screws. UL recognized for
No. 22AWG to No. 16AWG.
•RECOGNITION AND LISTING – UL recognized.
•STANDOFFS – EPX and EFTX are now supplied with .020 inch
standoffs for ease in cleaning after soldering.
Recognized under the Components Program of Underwriters Laboratories,
Inc. Standard 1059, Guide No. XCFR2, File No. E62557.
Guide No. 184-N-90, Report No. LR39186-1.
SERIES E 3/8” (9.52 mm)
Center-to-Center Spacing
INTERNAL TERMINAL DESIGNA TIONS
E Closed-back design which can be mounted on metal
surface with no additional insulation required.
EP Printed circuit board design with .062” dia. solderable
tin-plated brass pin.
EFT Panel feed-thru design with solderable tin-plated brass
turret-type solder pin.
EXTERNAL TERMINAL DESIGNATIONS
E Simple, efficient clamp-type terminal with No. 5-40
plated steel* screw. Accepts up to No. 16AWG wire.
EC Internal and surface clamp terminal with No. 5-40 plated
steel* screw. Accepts up to No. 16AWG wire.
EFT, EP No. 5-40 plated steel* screw . Accepts up to No. 14AWG
wire.
EFTC, EPC Surface clamp with No. 5-40 plated steel* screw.
Accepts up to No. 16AWG wire.
* Other materials available – contact factory or your local representative
for additional information.
VARIATIONS
E
Closed
Back
EC
Closed
Back
W/Surface
Clamp
EFT
Turret-type
soler pin
EFTC
Turret-type
solder pin
w/surface
clamp
EP
.062” dia.
printed
circuit pin
EPC
.062” Dia.
printed
circuit pin
w/surface
clamp
19
ENGINEERING SPECIFICATIONS
Center-to-Center Spacing: 3/8” (9.52 mm)
Wire Range: UL recognized for No. 22AWG to No. 16AWG.
Number of Terminals: 1 thru 22
Voltage Rating: UL & CSA – 150 volts – General Industrial
250 volts – Commercial Appliance
Tightening T orque: Wire Binding Screw 9 in.-lb.
Wire Clamps 9 in.-lb.
Current Rating: 15 amps UL
Housing:“X” Grade
Material: Phenolic Polyphenylene Oxide
Continuous Use Temp.: 150° C (302° F) 110° C (230° F)
(UL Index)
Flammability Rating: 94V-0 94V-0
Water Absorption:
(24 hrs. % wt. gain) .06% .05%
Chemical Resistance:
Breakdown V oltage:
Terminal - Terminal: 5,400V Typ.
Terminal - Ground: 7,400V Typ.
NOTE: Specifications contained herein are subject to change
without notice.
HOW TO ORDER
E Series terminal blocks are ordered by listing a composite number made
up of the model designation followed by the number of poles required for
the application. Example: A T ype E 10-pole block becomes stock number E-
10.
Suffixes are used as follows:
R Denotes model less mounting positions
X Denotes model with thermoplastic molding
The E-10 described above less mounting positions thus converts to stock
number ER-10.
* The EPX and EFTX are made with .020” standoffs for ease in cleaning
after the soldering operation.
ACCESSORIES
MARKING STRIPS
Pre-punched black fiber ...mount under block. May be imprinted to customer
specifications. Part No. 278A10-1 thru 26 (with mounting hole); Part No.
278A36-1 thru 26 (less mounting hole).
PC BOARD DRILLING DIMENSIONS
Resistant to most
organic solvents. Resistant to inorganic
bases and acids – for
organic substances
contact factory for
specific resistance.
Dimensions shown are ±0.030”.
1 .750 19.05 1.000 25.40 .562 14.28
2 1.125 28.57 1.375 34.92 .937 23.81
3 1.500 38.10 1.750 44.45 1.312 33.33
4 1.875 47.62 2.125 53.97 1.687 42.86
5 2.250 57.15 2.500 63.50 2.062 52.38
6 2.625 66.67 2.875 73.02 2.437 61.91
7 3.000 76.20 3.250 82.55 2.812 71.43
8 3.375 85.72 3.625 92.07 3.187 80.96
9 3.750 95.25 4.000 101.60 3.562 90.48
10 4.125 104.77 4.375 111.12 3.937 100.01
11 4.500 114.30 4.750 120.65 4.312 109.53
12 4.875 123.82 5.125 130.17 4.687 119.06
13 5.250 133.35 5.500 139.70 5.062 128.58
14 5.625 142.87 5.875 149.22 5.437 138.11
15 6.000 152.40 6.250 158.75 5.812 147.63
16 6.375 161.92 6.625 168.27 6.187 157.16
17 6.750 171.45 7.000 177.80 6.562 166.68
18 7.125 180.97 7.375 187.32 6.937 176.21
19 7.500 190.50 7.750 196.85 7.312 185.73
20 7.875 200.02 8.125 206.37 7.687 195.26
21 8.250 209.55 8.500 215.90 8.062 204.78
22 8.625 219.07 8.875 225.42 8.437 214.31
Inches Metric
(mm) Inches Metric
(mm) Inches Metric
(mm)
Mounting
Dimensions Overall
Dimensions Less Mounting
Positions
No. of
Terminals
DIMENSIONS
20
FEATURES
•SUPERIOR CONSTRUCTION – All terminals are molded to place with
precision screw machined brass inserts which will not twist, virtually
eliminating broken joints while providing a full mechanical thread system.
•IDEAL FOR SUB-CHASSIS OR THRU-PANEL APPLICATION – No
costly insulation or mounting set-up since feed thru insulators are an
integral part of the moldings. Feature provides a full 1/4 inch terminal to
ground clearance even thru 1/16 inch chassis.
•DURABLE BASE MATERIAL – Made of black thermo-set phenolic, or
high-impact, break-resistant thermoplastic.
•ELECTRICAL RATING – 20 amps/up to 600 volts.
•COMP ACT BARRIER-TYPE DESIGN – Especially suited for electronic
and control applications.
•FEED-THRU, PRINTED CIRCUIT OR SURF ACE CONNECTION – One
thru 26 terminals on 7/16 inch center-to-center spacing.
•BROAD WIRE RANGE - UL recognized for no. 22A WG to No. 12A WG,
depending on type of external contact designated with CSA requiring
use of lugs on wire larger than No. 16AWG.
•TERMINAL FLEXIBILITY – External terminals available in three screw
sizes with various internal terminal types.
•RECOGNITION AND LISTING – UL recognized and CSA certified.
•METRIC SCREWS – Available in GBPX and GFTX Series for export
applications.
Recognized under the Components Program of Underwriters Laboratories,
Inc. Standard 1059, Guide No. XCFR2, File No. E62557.
Guide No. 184-N-90, Report No. LR39186-1. COMPLIES WITH IEC 947-7-1.
SERIES GFT/GB 7/16” (11.11 mm)
Center-to-Center Spacing
VARIATIONS
GFTX
Turret-type
solder pin
GFTPX
.062” Dia.
Printed
Circuit
Pin
GFTSX
No.6-32
machine
screw
GFTZLX
.250 X
.031 QC
Terminal
GBSX
Closed-back
design
GBPX
.062”Dia.
Printed
Circuit
Pin
GBFTX
Turret-
Type
solder pin
GBPNX
.062” Dia
90Degree
printed
circuit pin
NOTE:
Consult
Factory for
Minimums
NOTE: Standard bend dimension shown. Other
bend dimensions are available.
21
ENGINEERING SPECIFICATIONS
Center-to-Center Spacing: 7/16” (11.11 mm)
Wire Range: No. 22AWG to No. 12AWG. (CSA requires use of lugs on
wire larger than No. 16AWG.)
Number of Terminals: 1 thru 26
Voltage Rating: CSA –300 volts
UL – *150 volts – General Industrial
**250 volts – Commercial Appliances
300 volts – Limited Energy Applications
600 volts – Limited Energy Applications
*GFT, GFTP, GFTS, GFTA L rated for 300 volts.
** GFTQALX rated for 125 volts.
Tightening T orque: Wire Binding Screw 9 in.-lb.
Wire Clamp 9 in.-lb.
Current Rating: 20 amps UL and CSA.
Housing:“X” Grade
Material: Phenolic Polyphenylene Oxide
Continuous Use Temp.: 150° C (302° F) 110° C (230° F)
(UL Index)
Flammability Rating: 94V-0 94V-0
Water Absorption:
(24 hrs. % wt. gain) .06% .05%
Chemical Resistance:
Breakdown V oltage: GFT GB
T erminal - T erminal: 3,900V T yp. 5,000 T yp.
Terminal - Ground: 5,800V Typ. 7,900 Typ.
NOTE: Specifications contained herein are subject to change
without notice.
Dimensions shown are ±0.030”.
1 .875 22.22 1.250 31.75 .562 14.28
2 1.312 33.33 1.687 42.86 1.000 25.40
3 1.750 44.45 2.125 53.97 1.437 36.51
4 2.187 55.56 2.562 65.08 1.875 47.62
5 2.625 66.67 3.000 76.20 2.312 58.73
6 3.062 77.78 .3437 87.31 2.750 69.85
7 3.500 88.90 3.875 98.42 3.187 80.96
8 3.937 100.01 4.312 109.53 3.625 92.07
9 4.375 111.12 4.750 120.65 4.062 103.18
10 4.812 122.23 5.187 131.76 4.500 114.30
11 6.250 133.35 5.625 142.87 4.937 125.41
12 5.687 144.46 6.062 153.98 5.375 136.52
13 6.125 155.57 6.500 165.10 5.812 147.63
14 6.562 166.68 6.937 176.21 6.250 158.75
15 7.000 177.80 7.375 187.32 6.687 169.86
16 7.437 188.91 7.812 198.43 7.125 180.97
17 7.875 200.02 8.250 209.55 7.562 192.08
18 8.312 211.13 8.687 220.66 8.000 203.20
19 8.750 222.25 9.125 231.77 8.437 214.31
20 9.187 233.36 9.562 242.88 8.875 225.42
21 9.625 244.47 10.000 254.00 9.312 236.53
22 10.062 255.58 10.437 265.11 9.750 247.65
23 10.500 266.70 10.875 276.22 10.187 258.76
24 10.937 277.81 11.312 287.33 10.625 269.87
25 11.375 288.92 11.750 298.45 11.062 280.98
26 11.812 300.03 12.187 309.56 11.500 292.10
Inches Metric
(mm) Inches Metric
(mm) Inches Metric
(mm)
Mounting
Dimensions Overall
Dimensions Less Mounting
Positions
No. of
Terminals
Resistant to most
organic solvents. Resistant to inorganic
bases and acids – for
organic substances
contact factory for
specific resistance.
PC BOARD DRILLING DIMENSIONS
DIMENSIONS
INTERNAL TERMINAL DESIGNA TIONS
GFTP Printed circuit board design with .062” dia. tin-plated
brass turret-type solder pin.
GFT Tin-plated brass turret-type solder pin.
GFTS Unplated brass insert. No. 6-32 plated steel screw.
GBS Unplated brass insert. Closed-back design which can
be mounted on metal surface with no additional
insulation required.
GBP Printed circuit board design with .062” dia. tin plated
brass pin.
GBFT Tin-plated brass turret-type solder pin.
GFTQX .250 x .031 tin-plated brass quick connect tab terminal.
EXTERNAL TERMINAL DESIGNATIONS
GFBT, GBP
GBS, GFT, GFTP
GBFTA, GBPA,
GBSA, GFTA,
GFTSA, GFTPA
GFTW, GBFTW,
GBPW, GFTPW,
GBSW, GFTSW
Screw terminal with No. 6-32 plated steel* screw
accepting up to No. 12AWG wire.
Screw terminal with No. 8-32 plated steel* screw
accepting up to No. 12AWG wire.
Wire clamp captivated to a No. 6-32 plated steel
screw accepting No. 20AWG to No. 12AWG.
* Other materials available – contact factory or your local representative
for additional information.
22
MARKING STRIPS
GB/GFT – Pre-punched black fiber...mount under block. May be
imprinted to customer specifications. To order, specify:
Part No. 267A19-1 thru 26 (with mounting hole);
Part No. 267A218-1 thru 26 (less mounting hole).
COVERS
CB/CFT – Rigid .030” thick self-extinguishing vinyl. Black matte-
finished on both sides. May double as marking strip when
imprinted with white ink. Complete with spring clips for attaching
to mounting positions.
Part No. 267B86-1 thru 26 terminals.
TERMINAL BLOCK JUMPERS
GB/GFT – Plated brass in two styles. Type 267-A28 is designed
to jump two adjacent terminals as it is channeled to cross over
the barrier top. “Rooster comb” design to Type 267-A42 permits
connections of two to 18 poles. To order specify:
Part No. 267-A42 (Plus no. of poles)
Example: 267-A42-18.
TINNERMAN NUT
GFT – for special mounting of terminal blocks less mounting
positions. Part No. TN-437.
HOW TO ORDER
GB Series terminal blocks are ordered by listing a composite number made
up of the model designation followed by the number of poles required for
the application. Example: Type GBP 10-pole block becomes stock number
GBP-10.
Suffixes are used as follows:
A Denotes model with No. 8-32 external screw terminal
W Denotes model with wire clamp replacing external screw terminal
C Denotes model less mounting positions
X Denotes model with thermoplastic molding
To specify quick-connect terminals, simply add the style number required.
May be purchased factory-assembled or as customer-installed accessory.
The GBP-10 described above – made from thermo-set phenolic – and with
wire clamp, less mounting positions thus converts to stock number GBPWC-
10.
ACCESSORIES
QUICK-CONNECT TERMINALS
GB/GFT – Available with .250” x .032” quick-connect tabs of tin-plated brass,
held in place by terminal screws. Nine styles...one to six terminations per
pole. Factory-assembled or customer-installed. Last digit of part number
corresponds to previous style numbers.
WIRE CLAMPS
GB/GFT – Wire clamp captivated to No. 6-32 screw eliminates need for lugs.
Accepts to No. 12AWG wire. May be ordered by factory installed (-w suffix)
or loose as Part No. 58787120.
SERIES GFT/GB
23
FEATURES
•DIN rail or base mounting (panel mounting with #6 screw).
•Captive, combo head screws.
•Factory or field wiring.
•600 volts at 85 amps.
•Blocks can be placed end-to-end while maintaining center-to-center
spacing.
•.629 center-to-center spacing.
•Wire acceptance from 22AWG to 2AWG, 1AWG (7 & 19 strand only).
•No end moldings, mounting brackets or metal mounting clamps required.
•Available pre-assembled to rail or in bulk.
Recognized under the Components Program of Underwriters Laboratories,
Inc. Standard 1059, Guide No. XCFR2, File No. E62557.
Guide No. 184-N-90, Report No. LR39186-1.
ENGINEERING SPECIFICATIONS
Center-to-Center Spacing: .629”
Wire Range: 1AWG (7 & 19 strand only), 2AWG to 22AWG
Number of Terminals: 6 (contact factory for other lengths)
Voltage Rating: 600 volts
Tightening T orque:
1AWG thru 4AWG 35 in.-lb. max
6 AWG thru 14 AWG 30 in.-lb. max
16AWG thru 22AWG 25 in.-lb. max
Current Rating: 85 amps – Copper Wire
50 amps – Aluminum Wire
Housing:
Material: Reinforced PBT Polyester
Continuous Use Temp.: 140° C
(UL Index)
Flammability Rating: 94V-0
Water Absorption:
(24 hrs. % wt. gain) .07%
Chemical Resistance: Excellent in most environments
Breakdown V oltage:
Terminal - Terminal: 7,500V Typ.
Terminal - Ground: 7,000V Typ.
NOTE: Specifications contained herein are subject to change
without notice.
DIMENSIONS
HOW TO ORDER
71 0 2 X 000
Standard
001 thru 999 and 00A thru ZZZ -
to be assigned by factory to
designate special options
1 thru 6
No of active poles
Consult factory for blocks pre-assembled to track.
SERIES 71000 .629” Center-to-Center Spacing
24
FEATURES
•SNAP-IN TRACK-TYPE CONCEPT – To assemble two or three-pole
modules simultaneously, simply insert one edge of the module under
the flange of the track (over for DIN modules) and with very little pressure
snap into place. To remove, push center section of spring toward molding.
Module will “pop free.”
•“D” SERIES MADE TO MOUNT ON DIN TRACK.
•TOTAL MODULE PRINCIPLE – T wo and three-pole nylon modules are
complete with white fiber marking strips and retaining springs.
•REDUCED INVENTOR Y – No end moldings, mounting brackets or metal
mounting clamps are needed for assembly.
•COMPACT DESIGN – 3/8” center-to-center terminals provide compact
circuit density. 32 poles per foot - 192 per six foot length.
•TERMINAL FLEXIBILITY – Three different terminal variations are
available. Ratings up to 50 amps/600 volts.
•DURABLE MODULAR CONSTRUCTION – All SW and DSW models
feature moldings of break-resistant nylon.
•MAY BE PRE-ASSEMBLED ON TRACK.
•WIRE SIZES – T ypes SWS and DSWS strap screw terminal with No. 6-
32 screws. UL recognized for No. 22AWG to No. 14AWG. Types SWT
and DSWT tubular terminal with No. 10-32 screws. UL recognized for
No. 16AWG to No 8AWG. Types SWTC and dSWTC tubular clamp
terminal with No. 10-32 screws. UL recognized for No. 22AWG to No.
8AWG.
•RECOGNITION AND LISTING – UL recognized and CSA certified.
Recognized under the Components Program of Underwriters Laboratories,
Inc. Standard 1059, Guide No. XCFR2, File No. E62557.
Guide No. 184-N-90, Report No. LR39186-1.
SERIES SW & DSW 3/8” (9.52 mm)
Center-to-Center Spacing
SWS & DSWS
Brass terminal bars with No. 6-32 terminal
screws. Accepts wire up to No. 14AWG.
Requires the use of lugs.
V ARIA TIONS AND TERMINAL DESIGNA TIONS
SWT & DSWT
Solderless electro-tinned tubular connector with
No. 10-32 terminal screws. Accepts wire fro No.
16AWG to No. 8AWG.
SWTC & DSWTC
Solderless electro-tinned tubular connector with
No. 10-32 terminal screws captivated by
traveling pressure pad. Accepts wire from No.
22AWG to No. 8AWG.
NOTE: All variations as illustrated above
available in two or three terminal modules only.
25
ENGINEERING SPECIFICATIONS
Center-to-Center Spacing: 3/8” (9.52 mm)
Wire Range: SWS and DSWA-No 22AWG to No. 14AWG (Above requires
use of lugs.)
SWT and DSWT - No. 16AWG to No. 8AWG.
SWTC and DSWTC - No. 22AWG to No. 8AWG.
Number of Terminals: 2 thru 192
Voltage Rating: CSA and UL - 600 volts.
Tightening T orque:
Type SWS and DSWS 12 in.-lb.
Type SWT and DSWT 25 in.-lb.
Type SWTC and DSWTC 25 in.-lb.
Current Rating: SWS and DSWS - 25 amps; SWT, DSWT, SWTC and
DSWTC - 50 amps.
Housing:
Material: Polyamide
Continuous Use Temp.: 125° C (257° F)
(UL Index)
Flammability Rating: 94V-2
Water Absorption:
(24 hrs. % wt. gain) 1.5%
Chemical Resistance: Outstanding resistance to both.
Breakdown V oltage: SWS/DSWS SWT/DSWT SWTC/DSWTC
Terminal - T erminal: 7,500V T yp. 4,700V T yp. 4,900V Typ.
Terminal - Ground: 7,000V Typ. 8,200V Typ. 9,300V Typ.
NOTE: Specifications contained herein are subject to change
without notice.
HOW TO ORDER
SW and DSW Series modules are ordered by listing a composite number
made up of the model designation preceded by the number of poles per
module.
Prefixes are uses as follows:
2P Denotes 2-pole module
3P Denotes 3-pole module
Example: a two-pole SWT module becomes stock number 2PSWT; a three-
pole module becomes 3PSWT. A two-pole DSWT module becomes stock
number 2PDSWT; a three-pole module becomes 3PDSWT.
See pages 24 & 25 for higher current blocks which may be combined with
the SW and DSW series.
See pages 26 & 27 for track, pre-assembled blocks and accessory modules.
DIMENSIONS
Call factory for mounting dimensions on other lengths.
ACCESSORIES
White fiber marking strip available in two or
three-pole lengths or in pre-punched 100-ft.
rolls.
To order specify:
Part No. 275A8 (2PSW, 2PDSW)
Part No. 275A9 (3PSW, 3PDSW)
100-ft Rolls - Part No. 20SW
Pins - Part No. 21SW
Insulated phosphor-bronze connector clamps to
over head of No. 10-32 terminal screws. Test lead
and test jumper are constructed from 6’ length of
No. 14A WG wire. T est lead is fitted with connector
at one end only , while test jumper has connectors
at both ends. Connectors eliminate use of alligator
clips and are rated 50 amps intermittently at 15
amps continuously.
18W (test lead)
19W (test jumper)
Brass jumper connects 12 consecutive
terminals and can be cut for shorter
applications.
Part No. 275-A14.
Type 275-A16 is designed to connect two
adjacent terminals.
26
FEATURES
•SNAP-IN TRACK-TYPE CONCEPT – To assemble two or three-pole
modules simultaneously, simply insert one edge of the module under
the flange of the track (over for DIN modules) and with very little pressure
snap into place. To remove, push center section of spring toward molding.
Module will “pop free.”
•“D” SERIES MADE TO MOUNT ON DIN TRACK.
•TOTAL MODULE PRINCIPLE – T wo and three-pole nylon modules are
complete with white fiber marking strips and retaining springs.
•REDUCED INVENTOR Y – No end moldings, mounting brackets or metal
mounting clamps are needed for assembly.
•COMP ACT DESIGN – 7/16” center-to-center terminals provide compact
circuit density. 164 poles per six foot length.
•TERMINAL FLEXIBILITY – Different terminal variations are available.
Ratings up to 75 amps/600 volts.
•DURABLE MODULAR CONSTRUCTION – All W and DW models
feature rugged thermo-set phenolic moldings.
•MAY BE PRE-ASSEMBLED ON TRACK.
•WIRE SIZES – Types WT and DWT with No. 10-32 tubular terminal
screws Ul recognized for No. 16AWG to No. 8AWG. Types WTC and
DWTC tubular clamp terminal with No. 10-32 screws UL recognized for
No. 22AWG to No. 8AWG. Types WH and DWH with 5/16-24 terminal
screws UL recognized for No. 22AWG to No. 4AWG.
•RECOGNITION AND LISTING – UL recognized and CSA certified.
Recognized under the Components Program of Underwriters Laboratories,
Inc. Standard 1059, Guide No. XCFR2, File No. E62557.
Guide No. 184-N-90, Report No. LR39186-1.
SERIES W & DW 7/16” (11.11 mm)
Center-to-Center Spacing
WT & DWT
Solderless electro-tinned tubular connector with
No. 10-32 terminal screws. Accepts wire from
No. 16A WG to No. 8AWG. Rated 50 amps/600
volts.
VARIA TIONS AND TERMINAL DESIGNA TIONS
WTC & DWTC
Solderless electro-tinned tubular connector with
No. 10-32 terminal screws captivated by
traveling pressure pad. Accepts wire from No.
22AWG to No. 8AWG. Rated 50 amps/600 volts.
WH & DWH
Solderless electro-tinned tubular connector with
sidewall tapped for 5/16”-24” terminal screw.
Accepts wire from No. 22AWG to No. 4AWG.
Rated 75 amps/600 volts.
See Page 27 for Special Purpose Blocks which may be
combined with W and DW types.
See Page 27 for Pre-Assembled Blocks.
See Page 26 for T rack Information.
NOTE: All variations as illustrated above
available in two or three terminal modules only,
except “WH” and “DWH” types which are single
terminal modules.
27
ENGINEERING SPECIFICATIONS
Center-to-Center Spacing: 7/16” (11.11 mm)
Wire Range: WT and dWT -No. 16AWG to No. 8AWG
WTC and DWTC - o. 22AWG to No. 8AWG
WH and DWH - No. 22AWG to No. 4AWG.
Number of Terminals: 2 thru 164
Voltage Rating: 600 volts. CSA and UL
Tightening T orque:
WT, DWT, WTC, DWTC 25 in.-lb.
WH and DWH 45 in.-lb. (4-6AWG)
40 in.-lb. (8AWG)
35 in.-lb. (10-14AWG)
Current Rating: WT, DWT, WTC and DWTC - 50 amps; WH and DWH -
75 amps.
Housing:
Material: Phenolic
Continuous Use Temp.: 150° C (302° F)
(UL Index)
Flammability Rating: 94V-1
Water Absorption:
(24 hrs. % wt. gain) 0.5%
Chemical Resistance: Resistant to most organic solvents.
Breakdown V oltage: WT/DWT WTC/DWTC WH/DWH
T erminal - T erminal: 6,300V T yp. 5,100V T yp. 10,500V T yp.
Terminal - Ground: 10,100V Typ. 10,100V Typ. 7,700V Typ.
NOTE: Specifications contained herein are subject to change
without notice.
HOW TO ORDER
W and dW Series modules are ordered by listing a composite number made
up of the model designation preceded by a prefix which indicates the number
of poles per module.
Prefixes are uses as follows:
P Denotes 1-pole module
2P Denotes 2-pole module
3P Denotes 3-pole module
Example: a two-pole WT module becomes stock number 2PWT; a three-
pole module becomes 3PWT and a WH Type available as single terminal
module only is referred to as PWH. A two-pole DWT module becomes stock
number 2PDWT; a three-pole module becomes 3PDWT and a dWH Type
available as a single terminal module only is referred to as PDWH.
See pages 22 & 23 for high density SW and DSW modules which may be
combined with W and DW types.
See pages 26 & 27 for track, pre-assembled blocks and accessory modules.
DIMENSIONS
Call factory for mounting dimensions on other lengths.
ACCESSORIES
White fiber marking strip available
in two or three-pole lengths or in
pre-punched 100-ft. rolls.
To order, specify:
Part No. 271A11 (2PW, 2PDW)
Part No. 271A13 (3PW, 3PDW)
Part No. 271A13 (3PW, 3PDW)
100-ft Rolls - Part No. 20W
Pins - Part No. 21W
Insulted phosphor-bronze
connector clamps to over head of
No. 10-32 terminal screws. Test
lead and test jumper are
constructed from 6’ length of No.
14AWG wire. Test lead is fitted with
connector at one end only, while
test jumper has connectors at
both ends. Connectors eliminate
use of alligator clips and are rated
50 amps intermittently at 15 amps
continuously.
18W (test lead)
19W (test jumper)
Brass jumper connects 12
consecutive terminals and can be
cut for shorter applications. Part
No. 271-A72.
Type 275-A16 is designed to
connect two adjacent terminals of
WT, DWT, WTC and DWTC
assemblies. Part No. 275-A16.
Black rubber cover (2-pole
only)..unique molded-hinge design
virtually eliminates shorting or
shock as a result of contact with
“live” terminals. Cover attached by
No. 4 x 1/2” thread cutting screw
with white fiber marking strip
mounted beneath screw head.
Cover offers same 300° F
temperature limit as base molding.
Available bulk (cover, marking strip
and screw) for customer-installed
applications or on factory-
assembled W and DW Series
blocks and modules. To order bulk
package, specify: Part No. 17W.
29
FEATURES
•REDUCED ASSEMBLY COSTS – designed for large volume work where
identical assemblies are used. Mounting track pre-punched on 3/8 inch
(SW series) or 7/16 inch (W Series) center-to-center spacing eliminates
need to drill mounting holes. DIN mounting holes are slots on .984”
center-to-center spacing.
•BROAD SIZE SELECTION – available in any size up to 192 poles (SW)
or 164 (W). Furnished with exact number of poles specified, complete
with zinc-dichromate plated steel track.
•COST -SA VING THREE AND SIX-FOOT LENGTHS – available in these
standard lengths, factory assembled blocks can be used in full length
or cut to size needed. Cutting to specific lengths requires no additional
parts (end molding or clamps) to finish off block. DIN track available in
two meter (78.74”) lengths.
HOW TO ORDER
When ordering to specific size, simply designate model and number of poles.
Example: SWT with 6-poles becomes stock number SWT-6.
When ordering standard three foot lengths, simply designate model followed
by 96 (SW Series) or 82 (W); for six foot lengths, 192 (SW)O or 164 (W).
Examples: SWT -192 or WT-164 (six foot); SWT -96 or WT-82 (three-foot).
NOTE: Various terminal types and units mounted to DIN rail are available.
Consult factory or your local representative for further information.
PRE-ASSEMBLED TERMINALS
and FUSE BLOCKS
To order single-pole modules, specify PWF, DPWF, PWIF or DPWIF. See page 26 for track information.
SPECIAL & PRE-ASSEMBLED BLOCKS
FUSE MODULES
Note: mm dimensions are shown in parentheses.
Curtis special purpose modules mount in the same track and are utilized in
conjunction with the W/SW and DW/DSW type terminal blocks. Provides
the user easy mounting and accessibility of these devices.
TERMINAL DESIGNATIONS
WF, DWF, WIF and DWIF units are furnished complete with puller/cover.
Models WF, DWF, WIF and DWIF are recognized under the
Components program of Underwriters Laboratories, Inc. under File
No. E72544 and listed by Canadian Standards Association under
Report No. LR39186.
Fuse-holder accepting any 13/32” x 1-1/2” ferrule-type
cartridge fuse. Has brass terminal bars with No. 8-32 washerhead
terminal screws. Fuse-clips are silver-plated beryllium copper Rated
15 amps/250 volts.
Fuse-holder accepting any 1/4” x 1-1/4” glass or ceramic cartridge
fuse. Brass terminals with No. 6-32 wire binding screw. Rated 15
amps/250 volts.
Fuse-holder accepting any 13/32” x 1-1/2” ferrule-type cartridge
fuse. Brass terminal bars with 3-piece sems wire clamp assembly
eliminates lugs. Fuse-clips are tin-plated beryllium copper. Rated
15 amps/600 volts. (Includes fuse puller.)
WF
DWF
WGF
DWGF
WIF
DWIF
Note: mm dimensions are shown in parentheses.
30
FEATURES
•COMPACT MODULAR DESIGN FOR LOW POWER CIRCUITS –
Suitable for surface connection applications using channel-assembled
modular construction.
•ALL-SURFACE MOUNTABILITY – Requires no additional insulation.
Electro tin-coated steel mounting channel has two .196 inch diameter
mounting holes.
•THERMO-SET PHENOLIC BARRIER-TYPE TERMINAL BLOCKS –
One thru 24 terminals on 1/2 inch center-to-center spacing.
•BROAD CHOICE OF TERMINAL CONNECTIONS – Available in three
screw designs and two .250” wide quick-connect variations offering up
to four connections per terminal.
•WIRE SIZES – M Series (No. 6-32 screw) is UL recognized for No.
22AWG to No. 14AWG. MA Series (No. 8-32 screw) is UL recognized
for No. 22AWG to No. 12AWG. CSA requires lugs on wire larger than
No. 14AWG for Series MA and CSA requires lugs on No. 16AWG for
Series M. Marking tabs are available for circuit identification.
•CURRENT/VOL T AGE RA TING – MA Series 25 amps/300 volts, M Series
15 amps/300 volts.
•CURRENT/VOL T AGE RA TING – MA Series 25 amps/300 vols, M Series
15 amps/300 volts.
•RECOGNITION AND LISTING – Various terminal types are UL
recognized and CSA certified.
Recognized under the Components Program of Underwriters Laboratories,
Inc. Standard 1059, Guide No. XCFR2, File No. E62557.
Guide No. 184-N-90, Report No. LR39186-1.
SERIES M 1/2” (12.7 mm)
Center-to-Center Spacing
TERMINAL DESIGNATIONS
*MA 16-gauge (.051”) brass terminal bar with two NO. 8-32
plated steel screws per terminal accepting wire up to
No. 12A WG.
*MAQ Four .250” x .032” brass quick-connect tabs per terminal
accepting wire up to No. 12AWG.
*MALQ Two .250” x .032” brass quick-connect tabs and one
No. 8-32 plated steel screw per terminal accepting wire
up to No. 12AWG. Rated 25 amps/300 volts.
*M Brass terminal bar with two No. 6-32 plated steel screws
per terminal accepting wire up to No. 14AWG.
*MC Brass terminal bar with two-piece No. 6-32 plated steel,
captivated clamp assemblies per terminal accepting
wire up to No. 14AWG.
*All models available with marking tabs. To specify, add the suffix “T”. (See
“How to Order”).
ACCESSORIES
Plain cover of 1/16” thick black bakelite with two mounting studs. Supplied
loose for customer installation.
Part No. 256A93-1 thru 24 terminals.
Brass Jumper rated at 25 amps.
Part No. 258-A5.
VARIATIONS
MA
Terminal bar
with two
No. 8-32
screws
MAQ
Four .250”
wide quick-
connects
MALQ
Two .250”
wide quick-
connects
and one No.
8.32 screw
M
Terminal bar
with two No.
6-32 screws
MC
Terminal Bar
with two
captivated
clamp
assemblies
M Type
With marking
strip attached
(see below*)
31
ENGINEERING SPECIFICATIONS
Center-to-Center Spacing: 1/2” (12.7 mm)
Wire Range: UL Recognized for No. 22AWG to No. 12AWG (MA),
WNo. 22AWG to No. 14AWG (M), (CSA requires use
of lugs on wire larger than NO. 14AWG (Ma),
No. 16A WG (M).)
Number of Terminals: 1 thru 24
Voltage Rating: CSA –300 volts
UL – 150 volts – General Industrial
250 volts – Commercial Appliance
Tightening Torque: 12 in.-lb.
Current Rating: 15 amps (M); 25 amps (Ma). UL and CSA.
Housing:
Material: Phenolic
Continuous Use Temp.: 150° C (302° F)
(UL Index)
Flammability Rating: 94V-1
Water Absorption:
(24 hrs. % wt. gain) 0.5%
Chemical Resistance: Resistant to most organic solvents.
Breakdown V oltage:
Terminal - Terminal: 7,400V Typ.
Terminal - Ground: 7,800V Typ.
NOTE: Specifications contained herein are subject to change
without notice.
HOW TO ORDER
M Series terminal blocks are ordered by listing a compositive number made
up of the model deisgnation followed by the number of poles required for
the application. Example: Type M 10-pole block becomes stock number M-
10.
Suffixes are uses as follows:
T Denotes model where marking tabs are required.
The M-10 described above with marking tabs thus converts to stock number
MT-10.
DIMENSIONS
Dimensions shown are ±0.030”.
1 1.000 25.40 1.375 34.92
2 1.500 38.10 1.875 47.62
3 2.000 50.80 2.375 60.32
4 2.500 63.50 2.875 73.02
5 3.000 76.20 3.375 85.72
6 3.500 88.90 3.875 98.42
7 4.000 101.60 4.375 111.12
8 4.500 114.30 4.875 123.82
9 5.000 127.00 5.387 136.52
10 5.500 139.70 5.875 149.22
11 6.000 152.40 6.375 161.92
12 6.500 165.10 6.875 174.62
13 7.000 177.80 7.375 187.32
14 7.500 190.50 7.875 200.02
15 8.000 203.20 8.375 212.72
16 8.500 215.90 8.875 225.42
17 9.000 228.60 9.375 238.12
18 9.500 241.30 9.875 250.82
19 10.000 254.00 10.75 263.52
20 10.500 266.70 10.875 276.22
21 11.000 279.40 11.375 288.92
22 11.500 292.10 11.875 301.62
23 12.000 304.80 12.375 314.32
24 12.500 317.50 12.875 327.02
Inches Metric
(mm) Inches Metric
(mm)
Mounting
Dimensions Overall
Dimensions
No. of
Terminals
32
FEATURES
•VERSATILE MEDIUM POWER TERMINAL BLOCKS – Designed for
surface mount; power and control applications requiring a wide range of
terminal variations.
•SECTIONAL THRU-BOLT CONSTRUCTION – Available in one thru 0
terminals on 35/64 inch center-to-center spacing. Rated 30 amps/600
volts for Type CDM; 20 amps/600 volts for Type CT.
•DURABLE BREAK-RESISTANT THERMOPLASTIC MOLDINGS.
•WIRE SIZES – Type CT has brass terminal bar with two three-piece
plated steel wire clamp assemblies UL recognized for No. 22AWG to
No. 12AWG. Type CDM features brass terminal bar with two No. 10-32
washer-head screws. UL recognized for No. 22AWG to No. 10AWG.
•EASY CIRCUIT IDENTIFICATION DESIGN – Barrier-type terminals
are furnished with a white fiber marking strip.
•RECOGNITION AND LISTING – Various terminal types are UL
recognized and CSA certified.
Recognized under the Components Program of Underwriters Laboratories,
Inc. Standard 1059, Guide No. XCFR2, File No. E62557.
Guide No. 184-N-90, Report No. LR39186-1.
TYPES CDM and CT 35/64” (13.86 mm)
Center-to-Center Spacing
VARIATIONS
TERMINAL DESIGNATIONS
CDM Brass terminal bar with two No. 10-32 washer-head
screws accepting wire up to No. 10AWG. Rated 30
amps.
CT Brass terminal bar with two three-piece plated steel
wire clamp assemblies accepting wire up to No. 12AWG.
ACCESSORIES
CDM/CT – T wo cover styles. Hinged cover of 3/16” thick black bakelite pivoting
from special end brackets provide ready access to block. Factory-assembled
and available only with original terminal block order. Plain cover of 1/16”
thick black bakelite is permanently positioned to block with two screws.
Factory-assembled or customer-installed. To order, specify:
CDM/CT (Plain) – Part No. 265A61-1 thru 50 terminals
CDM (Hinged) – Part No. 265A67-1 thru 50 terminals
CT (Hinged) – Part No. 265A68-1 thru 50 terminals
CDM – Copper jumper rated 30 amps. Designed to fold over barrier to connect
adjacent terminals. To order, specify Part No. 523-A91.
33
ENGINEERING SPECIFICATIONS
Center-to-Center Spacing: 35/64” (13.86 mm)
Wire Range: T ype CDM T ype CT
UL Recognized for UL Recognized for
22A WG to No. 10AWG 22A WG to No. 12AWG
Number of Terminals: 1 thru 50
Voltage Rating: CSA and UL – 600 volts.
Tightening Torque: 35 in.-lb.
Current Rating: 30 amps/CDM; 20 amps/CT. UL and CSA.
Housing:
Material: Thermoplastic-polyester
Continuous Use Temp.: 130° C (266° F)
(UL Index)
Flammability Rating: 94V-0
Water Absorption:
(24 hrs. % wt. gain) 0.7%
Chemical Resistance: Excellent in most environments.
Breakdown V oltage: CDM CT
Terminal - Terminal: 9,600V Typ. 9,400V Typ.
Terminal - Ground: 10,500V Typ. 10,500V Typ.
NOTE: Specifications contained herein are subject to change
without notice.
HOW TO ORDER
T ype CDM and CT terminal blocks are ordered by listing a composite number
made up of the model designation followed by the number of poles required
for the application. Example: 10-pole terminal block becomes stock number
CDM-10 or CT-10.
Dimensions shown are ±0.030”.
1 1.672 42.48 2.346 59.59
2 2.220 56.38 2.896 73.56
3 2.767 70.28 3.441 87.40
4 3.314 84.18 3.988 101.30
5 3.861 98.08 4.535 115.19
6 4.409 111.98 5.083 129.11
7 4.956 125.88 5.630 143.00
8 5.503 139.78 6.177 156.90
9 6.050 153.68 6.724 170.79
10 6.598 167.58 7.272 184.71
11 7.145 181.48 7.819 198.60
12 7.692 195.38 8.366 212.50
13 8.239 209.28 8.913 226.39
14 8.787 223.18 9.461 240.31
15 9.334 237.08 10.008 254.20
16 9.881 250.98 10.555 268.10
17 10.428 264.88 11.102 281.99
18 10.976 278.78 11.650 295.91
19 11.523 292.68 12.197 309.80
20 12.070 306.58 12.744 323.70
21 12.617 320.48 13.291 337.59
22 13.165 334.38 13.839 351.51
23 13.712 348.28 14.386 365.40
24 14.259 362.18 14.933 379.30
25 14.806 376.08 15.480 393.19
26 15.354 389.98 16.028 407.11
27 15.901 403.88 16.575 421.01
28 16.448 417.78 17.122 434.90
29 16.995 431.68 17.669 448.79
30 17.543 445.58 18.217 462.71
31 10.090 459.48 18.764 476.61
32 18.637 473.38 19.311 490.50
33 19.184 487.28 19.858 504.39
34 19.732 501.18 20.406 518.31
35 20.279 515.08 20.953 532.21
36 20.826 528.98 21.500 546.10
37 21.373 542.88 22.047 559.99
38 21.921 556.78 22.595 573.91
39 22.468 570.68 23.142 587.81
40 23.015 584.58 23.689 601.70
41 23.562 598.48 24.236 615.59
42 24.110 612.38 24.784 629.51
43 24.657 626.28 25.331 643.41
44 25.204 640.18 25.878 657.30
45 25.751 654.08 26.425 671.20
46 26.299 667.98 26.973 685.11
47 26.846 681.88 27.520 699.01
48 27.393 695.78 28.067 712.90
49 27.940 709.68 28.614 726.80
50 28.488 723.58 298.162 740.71
Inches Metric
(mm) Inches Metric
(mm)
Mounting
Dimensions Overall
Dimensions
No. of
Termi-
nals
Inches Metric
(mm) Inches Metric
(mm)
Mounting
Dimensions Overall
Dimensions
No. of
Termi-
nals
Inches Metric
(mm) Inches Metric
(mm)
Mounting
Dimensions Overall
Dimensions
No. of
Termi-
nals
DIMENSIONS
35/64” (13.86 mm)
Center-to-Center Spacing
34
FEATURES
•SECTIONAL, HIGH AND MEDIUM POWER TERMINAL BLOCKS –
Designed for high power applications and control/power circuits
respectively . Units approach power ratings of larger terminal blocks while
retaining increased circuit density of low power designs.
•BROAD TERMINAL CHOICE – one thru 30 terminals are .652 inch
center-to-center spacing with white fiber circuit marking strips.
•THRU-BOLT BARRIER-TYPE CONSTRUCTION – Rated at 75 amps/
600 volts for Type H; 30 amps/600 volts for T ype BT.
•UNIQUE BAR AND TRAVELING COLLAR DESIGN – Eliminates
lugging of wire on Type H. UL recognized for No. 16A WG to No. 4A WG.
Type BT uses two No. 10-32 terminal screws, UL recognized for No.
22AWG to No. 10AWG.
•COMBINED STYLE FLEXIBILITY – T ypes can be used in combination
as well as be combined with types L, O, S, T & U for greater application
flexibility.
•RECOGNITION AND LISTING – UL recognized and CSA certified.
Recognized under the Components Program of Underwriters Laboratories,
Inc. Standard 1059, Guide No. XCFR2, File No. E62557.
Guide No. 184-N-90, Report No. LR39186-1.
TYPES H and BT .652” (16.56 mm)
Center-to-Center Spacing
VARIATIONS TERMINAL DESIGNATIONS
H Brass bar with high-pressure solderless connectors
accepting wire from No. 16AWG to No. 4AWG.
BT Brass terminal bar with two No. 10-32 plated steel terminal
screws accepting wire up to No. 10AWG.
ACCESSORIES
H/BT – Two cover styles. Hinged cover of 3/16” thick black bakelite pivoting
from special end brackets provide ready access to block. Factory-assembled
and available only with original terminal block order. Plain cover of 1/16”
thick black bakelite is permanently positioned to block with two screws.
Factory-assembled or customer-installed. To order, specify:
H/BT (Plain) – Part No. 260A49-1 thru 30 terminals
H (Hinged) – Part No. 260A56-1 thru 30 terminals
BT (Hinged) – Part No. 260A122-1 thru 30 terminals
BT
Terminal
bar with
two No. 10-32
screws
H
High-
pressure
solderless
connector
35
ENGINEERING SPECIFICATIONS
Center-to-Center Spacing: .652” (16.56 mm)
Wire Range: T ype H T ype BT
UL Recognized for UL Recognized for
No. 16A WG to No. 22AWG to
No. 4AWG. No. 10A WG.
Number of Terminals: 1 thru 30
Voltage Rating: CSA and UL – 600 volts.
Tightening T orque:
Type H – 45 in.-lbs. (4-6AWG)
40 in.-lbs. (8AWG)
35 in.-lbs. (10-16AWG)
T ype BT 20 in.-lbs.
Current Rating: 75 amps (Type H); 30 amps BT. UL and CSA.
Housing:
Material: Thermoplastic-polyester
Continuous Use Temp.: 130° C (266° F)
(UL Index)
Flammability Rating: 94V-0
Water Absorption: (24 hrs. % wt. gain) 0.7%
Chemical Resistance: Excellent in most environments.
Breakdown V oltage: CDM CT
Terminal - Terminal: 10,400V Typ. 8,100V Typ.
Terminal - Ground: 8,400V Typ. 7,600V Typ.
NOTE: Specifications contained herein are subject to change
without notice.
HOW TO ORDER
Types H and BT terminal blocks are ordered by listing a composite number
made up of the model designation followed by the number of terminals
required for the application. Example: 10-pole terminal block becomes H-10
or BT -10.
When ordering combinations of both types, the composite number is made
up of both model designations followed by total number of poles and number
of each type. A composite of three H terminals followed by two BT terminals
thus is converted to stock number HBT-5 (3H, 2BT).
Combining these types with types L, O, S, T and U would follow the same
ordering format. (Note: when combined with types T, Ul, L, O and S, a special
adapter is required.)
Dimensions shown are ±0.030”.
1 1.66 42.1 2.36 59.8
2 2.31 58.6 3.01 76.4
3 2.96 75.1 3.66 92.9
4 3.61 91.6 4.31 109.4
5 4.26 108.1 4.96 126.0
6 4.91 124.6 5.61 142.5
7 5.56 141.1 6.26 159.1
8 6.21 157.6 6.92 175.6
9 6.86 174.1 7.57 192.2
10 7.51 190.6 8.22 208.7
11 8.16 207.1 8.87 225.3
12 8.81 223.6 9.52 241.8
13 9.46 240.2 10.17 258.4
14 10.10 256.6 10.82 274.9
15 10.75 273.2 11.48 291.5
16 11.40 289.7 12.13 308.0
17 12.05 306.2 12.78 324.6
18 12.70 322.7 13.43 341.1
19 13.35 339.2 14.08 357.7
20 14.00 355.7 14.73 374.2
21 14.65 372.2 15.39 390.8
22 15.30 388.7 16.04 407.3
23 15.95 405.2 16.69 423.9
24 16.60 421.7 17.34 440.4
25 17.25 438.2 17.99 457.0
26 17.40 454.7 18.64 473.5
27 18.55 471.2 19.29 490.1
28 19.20 487.7 19.95 506.6
29 19.85 504.2 20.60 523.2
30 20.50 520.7 21.25 539.7
Inches Metric
(mm) Inches Metric
(mm)
Mounting
Dimensions Overall
Dimensions
No. of
Terminals
36
FEATURES
•HEAVY LOAD TERMINATION FLEXIBILITY – Designed for machine,
switchboard and other heavy load terminations.
•TURBULAR, HIGH PRESSURE SOLDERLESS CONNECTIONS –
Accommodates wire without lugging – tapped sidewalls for greater
mechanical strength – electrolytically pure copper solderless connections
provide 100% conductivity.
•READILY ADAPT ABLE TO SPECIAL APPLICA TIONS – Can be used
for branch circuit termination with simple modification of standard
terminal plate.
•COMBINED STYLE DESIGN CAP ABILITY – all types can be combined
with each other as well as with Types H and BT.
•RATINGS AND WIRE SIZES TO MATCH HIGH CURRENT NEEDS –
Type L is rated at 100 amps/600 volts UL recognized for wire up to
No. 1AWG. Type O: 125 amps/600 volts UL recognized for wire up to
No1/0AWG. Type S: 225 amps/600 volts UL recognized for wire up to
No. 4/0AWG. (Note UL requires the use of UL recognized lugs.)
•HEA VY LOAD RA TINGS AND WIRE SIZES – T ype T – rated 125 amps/
600 volts – has headless slotted screw _ UL recognized for No. 6AWG
to No. 1/0AWG wire. Type U is rated 250 amps/600 volts and features
headless socket screw . UL recognized for No. 6AWG to 250MCM wire.
•RECOGNITION AND LISTING – UL recognized and CSA certified.
Recognized under the Components Program of Underwriters Laboratories,
Inc. Standard 1059, Guide No. XCFR2, File No. E62557.
Guide No. 184-N-90, Report No. LR39186-1.
TYPES L, O, S, T and U
TERMINAL DESIGNATIONS
T Tubular copper with tapped sidewalls and headless slotted
screw. Accepts wire from No. 6AWG to no. 1/0AWG.
U Tubular copper with tapped sidewalls and headless socket
screw. Accepts wire from No. 6AWG to 250MCM.
L Nickel-plated brass terminal bar with 1/4” – 20 plated round-
head steel screws. Accepts wire up to No. 1AWG.
O Nickel-plated brass terminal bar with 5/16” – 18 plated slotted
hex-head steel screws. Accepts wire up to No. 1/0AWG.
S Nickel-plated brass terminal bar with 3/8” plated hex-head
steel screws. Accepts wire up to No. 4/0AWG.
VARIATIONS
ACCESSORIES
Plain cover of 1/16” thick black bakelite is permanently positioned to
block with two screws. Factory-assembled or customer-installed. To
order, specify:
T – Part No. 268A157-1 thru 6 terminals
U – Part No. 268A157-1 thru 4 terminals
L – Part No. 268A158-1 thru 12 terminals
O – Part No. 268A159-1 thru 4 terminals
S – Part No. 268A160-1 thru 4 terminals
L
Terminal bar and
1/4” round-head
screw, max. lug
width - 27/32”
O
Terminal bar and 5/16”
slotted hex-head screw,
max. lug width - 3/4”
S
Terminal bar and 3/8”
hex-head screw, Max.
lug width - 1”
T
Tubular
connector and
slotted screw
U
Tubular
connector and
socket screw
37
HOW TO ORDER
Types L, O, S, T and U terminal blocks are ordered by listing a composite
number made up of the model designation followed by the number of terminals
required for the application. Example: four-pole terminal block becomes stock
number L-4, O-4, S-4, T-4 or U-4.
When ordering combinations of both types, the composite number is made
up of both model designations followed by total number of poles and number
of each type. A composite of two T terminals followed by two U terminals
thus is converted to stock number TU-4 (2T, 2U). Combining these types
with Types L, O, S, H and BT would follow the same ordering format. (Note
– when combined with types H or BT a special adapter is required.)
NOTE: Thru-bolt construction is amply strong for normal applications, but if
excessive mechanical loads are expected, strain relief should be provided.
Chart lists dimensions for up to sx terminals per block, but longer lengths
are available. Tie-down points are recommended for blocks exceeding four
terminals for Type U and six terminals for Type T.
ENGINEERING SPECIFICATIONS
Wire Range: UL Recognized –
Type L – to No. 1A WG.
Type O – to No. 1/0 AWG.
Type S – to No. 4/0AWG.
Type T – for No. 6AWG to no. 1/0AWG.
Type U – for No. 6AWG to 250MCM.
Number of Terminals: Type L: 1 thru 12 Type T: 1 thru 6
Type O: 1 thru 4 Type U: 1 thru 4
Type S: 1 thru 4
Voltage Rating: CSA and UL – 600 volts.
Tightening T orque:L – 50 in.-lb. T – 50 in.-lb.
O – 40 in.-lb. U – 275 in.lb.
S – 200 in.-lb.
Current Rating: 100 amps (Type L); 125 amps (Type O); 225 amps
(Type S); 125 amps (Type T); and 250 amps (Type U).
Housing:
Material: Phenolic
Continuous Use Temp.: 150° C (302° F)
(UL Index)
Flammability Rating: 94V-1
Water Absorption: (24 hrs. % wt. gain) 0.5%
Chemical Resistance: Resistant to most organic solvents.
Breakdown V oltage: LO
Terminal - Terminal: 11,000V Typ. 10,900V Typ.
Terminal - Ground: 9,700V Typ. 10,300V Typ.
ST
Terminal - Terminal: 10,400V Typ. 11,000V Typ.
Terminal - Ground: 10,500V Typ. 9,700V Typ.
U
Terminal - Terminal: 9,000V Typ.
Terminal - Ground: 9,000V Typ.
NOTE: Specifications contained herein are subject to change
without notice.
Dimensions shown are ±0.030”.
Inches Metric
(mm) Inches Metric
(mm)
Mounting
Dimensions Overall
Dimensions
No. of
Terminals
SERIES “L”
1 2.183 55.46 2.683 68.16
2 3.342 84.88 3.842 97.58
3 4.500 114.31 5.000 127.01
4 5.659 143.73 6.159 156.43
5 6.817 173.16 7.317 185.86
6 7.976 202.59 8.476 215.29
7 9.134 232.01 9.634 244.71
8 10.293 261.44 10.793 274.14
9 11.451 290.86 11.951 303.56
10 12.610 320.29 13.110 332.99
11 13.768 349.71 14.268 362.41
12 14.927 379.14 15.427 391.84
SERIES “O”
1 2.880 73.16 3.380 85.86
2 4.736 120.29 5.236 132.99
3 6.591 167.42 7.091 180.12
4 8.447 214.55 8.947 227.25
SERIES “S”
1 3.440 87.38 3.9440 100.08
2 5.856 148.74 6.356 161.44
3 8.271 210.09 8.771 222.79
4 10.687 271.44 11.187 284.14
SERIES “T” and “U”
1 2.183 55.46 2.683 68.16
2 3.342 84.88 3.842 97.58
3 4.500 114.31 5.000 127.01
4 5.659 143.73 6.159 156.43
5 6.817 173.16 7.317 185.86
6 7.976 202.59 8.476 215.29
DIMENSIONS
38
SNAP-IN SOCKET ASSEMBLIES..................................................................................................37
Track
Ordering Information
CUS SERIES....................................................................................................................................38
CUS8 and CUS11
CUS5, CUS12 and CUS16
CUS14 and CUS15
RS SERIES.......................................................................................................................................39
RS8, RS8SC, RS16
RS11 and RS11SC
RS2, RS4 and RS6
RS SERIES.......................................................................................................................................40
RS12, RS12SC, RS16 and RS16SC
RS14
RS15
RS and CS SERIES.........................................................................................................................41
RS18 and RS19
CS14 and CS16
Accessories
PS and RIS SERIES........................................................................................................................42
PS Series
RIS Series
Page
39
•Permanent-numbered terminals for easy identification.
•New unitized, thermoplastic sockets with closed-back design which
eliminates panel insulation, and resists breakage.
•Nickel-plated screw-type terminals on break-resistant barrier-type
terminal block for fast, easy connection. Screw-type terminals on other
models with captivated wire clamps to eliminate lugging.
•Compact, printed circuit design.
TRACK
•Assemblies snap in and out without disturbing adjacent units (except
for dovetail design on CUS5, 12, 14, 15, and 16).
•Lengths up to 48” – holds up to 30 socket assemblies.
•Pre-punched track minimizes mounting time. (On lengths of 48”, drilling
and tapping is only required for two or three mounting screws instead of
two holes per socket.)
•Wide center channel provides space for under-board components. Allows
greater surface area for easy mounting with adhesive tape.
•Grey PVC thermoplastic, UL flame class 94V-0, suitable for ambient
temperatures up to 50° C.
•Vertical rib track provides support to prevent PC board breakage –
supplies spring retention and electrical base insulation.
•Optional snap-on end retaining clips available for long vertical mounts
or extreme vibration if end socket assembly is not mounted with screws.
•Available in three popular widths for maximum circuit design flexibility.
TR1 for 2-3/16” PC board or socket.
TR2 for 2-3/4” PC board or socket.
TR3 for 3-1/4” PC board or socket.
•Glass epoxy G-10 printed circuit boards.
•Relay sockets can be spaced out in track for convenient insertion of
marking strips, for relay identification.
•High-quality sockets for maximum relay retention and electrical
conductivity.
ORDERING INFORMATION
Relay socket assemblies can be ordered in parts from (assemblies and track separate) or factory assembled in specific length units. When ordering factory
assembled units, specify type – number of sockets in continuous one-piece precut track; e.g. – order RS8-17 for a track contain ing 17 RS8 relay socket
assemblies.
* Many Curtis Socket Assemblies are recognized under the components program of Underwriters Laboratories, Inc., under File No. E59934. These units
are marked with a on the following pages.
Socket Assemblies listed by Canadian Standards Association are marked with a and are covered by Report No. LR19623.
* SNAP-IN SOCKET ASSEMBLIES
CUS8 CUS12 RS11
40
CUS8 and CUS11
8 and 11-PIN UNITIZED OCTAL-TYPE SOCKET
ASSEMBLIES
SPECIFICATIONS
Rating: 10 amps, 300 volts.
Track: TR 2
48” length holds up to 30 CUS8 sockets and 21 CUS1 1 sockets.
Terminals: 6-32 screws with captivated traveling nut.
Wire: Up to 12AWG wire.
Sockets: CUS8 – 8-pin receptacle for 2PDT octal relay or timer; CUS11
– 11-pin receptacle for 3PDT octal relay or timer.
CUS5, CUS12 and CUS16
5, 8 and 11-PIN UNITIZED SQUARE-BASE
RELAY-TYPE SOCKET ASSEMBLIES
SPECIFICATIONS
Rating: 15 amps, 250 vols. (CSA rated 15 amps, 125 volts)
Track: TR3
48” length holds up to 28 sockets.
Terminals: No. 6-32 screws with captivated traveling nut.
Wire: Up to No. 14AWG wire.
Sockets: CUS12 – 11-pin receptacle for 3PDT square-base barrier-type
plug-in relays. CUS16 – 8-pin receptacle for 2PDT square-base,
barrier-type plug-in relays. CUS5 – 5-pin receptacle for SPDT
square-base, barrier-type plug-in relays.
CUS14 and CUS15
14 and 15-PIN UNITIZED SQUARE-BASE
RELAY-TYPE SOCKET ASSEMBLIES
SPECIFICATIONS
Rating: 10 amps, 125 volts, (CSA rated 5 amps, 125 volts)
Track: TR2
48” length holds up to 42 sockets.
Terminals: No. 2-56 screws with captivated traveling nut.
Wire: Up to No. 16AWG wire.
Sockets: CUS14 – 14-pin receptacle for 4PDT relay without ground.
CUS15 – 15-pin receptacle to accept 4PDT relay with or without
ground pin.
CUS SERIES
CUS8 CUS11
CUS12 CUS16
41
RS8 and RS8SC
8-PIN OCTAL-TYPE SOCKET ASSEMBLIES
SPECIFICATIONS
Rating: 10 amps, 250 volts.
Track: TR2
48” length holds up to 24 sockets.
Terminals: RS8 – No. 6-32 screws, 7/16” C. to C. spacing.
RS8SC – No. 6-32 screws with captivated wire clamp. 7/16” C.
to C. spacing (no lugs. required).
Wire: RS8 – up to No. 12AWG (lugs are recommended on wire larger
than No. 16AWG).
RS8SC – up to No. 12AWG.
Sockets: 8-pin octal receptacle to accept standard 2PDT relays and
timers. Recessed slotted center post chamber allows relays to
e rocked out without danger of damaging relay center posts.
PC board has center post clearance hole to allow relays with
screws in center post. Phosphor bronze contacts for better pin
contact and retention.
RS11 and RS11SC
11-PIN OCTAL-TYPE SOCKET ASSEMBLIES
SPECIFICATIONS
Rating: 10 amps, 250 volts.
Track: TR2
48” length holds up to 16 sockets.
Terminals: RS11 – No. 6-32 screws, 7/16” C. to C. spacing.
RS11SC – captivated wire clamp, 7/16” C. to C.
Wire: RS11 – up to No. 12AWG. (lugs are recommended on wire
larger than 16AWG).
RS11SC – up to two No. 12AWG.
Sockets: 11-pin octal receptacle to accept 3PDT relays.
Refer to RS8 socket for features.
RS2, RS4 and RS6
10, 16, and 22-PIN SQUARE-BASE MINIATURE
RELAY-TYPE SOCKET ASSEMBLIES
SPECIFICATIONS
Rating: 5 amps, 125 volts, (UL rated 3 amps, 125 volts)
Track: TR1
48” length holds up to 24 RS2 sockets, 21 RS4 sockets and 16
RS6 sockets.
Terminals: No. 2-56 screw with clamp – 1/4” C. to C. spacing.
Wire: Up to No. 16AWG.
Sockets: RS2 – 10-pin receptacle to accept miniature
2PDT relays with latching coils.
RS4 – 16-pin receptacle to accept miniature
4PDT relays with latching coils.
RS6 – 22-pin receptacle to accept miniature
6PDT relays with latching coils.
RS SERIES
42
RS12, RS12SC, RS16 and
RS16SC
8 and 11-PIN UNITIZED OCTAL-TYPE
SOCKET ASSEMBLIES
SPECIFICATIONS
Rating: 10 amps, 250 volts.
Track: TR3
48” length holds up to 16 RS12 or RS12SC sockets.
48” length holds up to 22 RS16 or RS16SC sockets.
Terminals: RS12 and RS16 – No. 6-32 screws, 7/16” C. to C. spacing.
RS12SC and RS16SC – captivated wire clamp 7/16” C. to C.
spacing.
Wire: RS12 and RS16 – up to No. 12AWG (lugs are recommended
on wire larger than No. 16AWG).
RS12SC and RS16SC – up to two No. 12AWG.
Sockets: RS12 and RS12SC – 1 1-pin receptacle to accept 3PDT relays.
RS16 and RS16SC – 8-pin receptacle to accept 2PDT relays.
Note: RS12 and RS12SC – CSA rating is 10 amps, 125 volts.
RS14
5, 8 and 11-PIN UNITIZED SQUARE-BASE
RELAY-TYPE SOCKET ASSEMBLIES
SPECIFICATIONS
Rating: 5 amps, 125 volts.
Track: TR2
48” length holds up to 24 sockets.
Terminals: No. 2-56 screws with clamps. (1/4” C. to C. spacing.)
Wire: Up to No. 16AWG wire.
Sockets: 14-pin receptacle to accept miniature 4PDT relays.
RS15
14 and 15-PIN UNITIZED SQUARE-BASE
RELAY-TYPE SOCKET ASSEMBLIES
SPECIFICATIONS
Rating 5 amps, 125 volts.
Track: TR1
48” length holds up to 21 sockets.
Terminals: No. 2-56 screws with clamps.. (1/4” C. to C. spacing.)
Wire: Up to No. 16AWG wire.
Sockets: 15-pin receptacle to accept grounded miniature 4PDT relays.
RS SERIES
43
RS18, RS18SC, 19 and 19SC
8 and 14-PIN SQUARE-BASE SOCKET
ASSEMBLIES FOR MINIATURE SPDT and
DPDT RELAYS
SPECIFICATIONS
Rating: 10 amps, 250 volts.
Track: TR 2
48” length holds up to 24 sockets.
Terminals: RS18/RS19 – No. 6-32 screws on 7/16” centers.
RS18SC/RS19SC – No. 6-32 screws with captivated wire
clamp.
Wire: Up to No. 12AWG wire.
Sockets: RS18 – 8-pin receptacle to accept SPDT or DPDT relays.
RS19 – 14-pin receptacle to accept SPDT or DPDT relays.
Will also accept 4PDT relays with contacts paralleled.
CS14 and CS16
14 and 16-PIN DUAL IN-LINE SOCKET
ASSEMBLIES
SPECIFICATIONS
Track: TR3
48” length holds up to 24 CS14 sockets.
48” length holds up to 21 CS16 sockets.
Terminals: No. 2-56 screws with clamps. (1/4” C. to C. spacing).
Wire: Up to No. 16AWG wire.
Sockets: CS14 – 14-pin dual in-line socket.
CS16 – 16-pin dual in-line socket.
ACCESSORIES
18836 – (RS2 socket only)
18837 – (RS4 socket only)
18838 – (RS6 socket only)
18830 – (RS14 & 15 socket only)
18831 – (RS12 socket only)
18835 – (RS12 socket only)
18835 – Round 11-pin socket (RS11)
18821 – Round octal socket (RS8)
11832 – Square 8-pin socket (RS16)
44600 – Relay tie down spring
44613 - Tie down bail (CUS5, 12, 16)
44617 - Relay hold down clip (CUS5, 12, 16)
44610 – Tie down bail (CUS14 & 15)
62610 – TR track end clips
RS and CS SERIES
RS18SC RS19SC
18821
18835
Relay
Tie-Down Spring
44600
18832
Tie-Down
Bail
Tie-Down Bail
423A113
44613
Retaining
Clips
C43563-017-
4
44
PS and RIS SERIES
PS SERIES
PC BOARD
EDGE-CONNECTOR ASSEMBLIES
Curtis PS Series edge-connector assemblies itnerface edge-type printed-
circuit boards to electrical terminals. Eliminates hand
soldering operations.
SPECIFICATIONS
Rating: 5 amps, 250 volts.
Track: TR 2
Terminals: Barrier type terminal blocks with 7/16” C. to C. spacing. No.
6-32 nickel-plated steel screws. Sizes (P/N – O.D.): PS6 – 1-
29/32, PS10 – 2-9/16, PS15 – 3-7/8, PS18 – 4-9/32, PS22 –
5-1/8, PS22G (with card guide) – 5-1/8.
Wire: Up to No. 12AWG (Captivated wire clamps available.)
Edge Connectors: Single contact spacing on 0.156” C. to C.
Terminal Designations: PS – No. 6-32 screws, PSW – Wire clamp
captivated to no. 6-32 screw.
RIS SERIES
RIBBON CABLE INTERFACE SOCKETS
SPECIFICATIONS
Rating: 1 amp, 125 volts.
Track: TR 1
48” length holds up to:
16 RIS20 Assemblies
12 RIS26 Assemblies
10 RIS34 Assemblies
8 RIS40 Assemblies
7 RIS50 Assemblies
Terminals: No. 2-56 screws with clamp, 1/4” C. to C. spacing.
Wire: Up to No. 16AWG.
Headers: Contain two rows of .025” square gold-plated pins on .100”
centers with hood retainers. Designed to mate with all
standard connectors. (Other types of headers are available
on special order. Contact factory for additional information.)
No. M.D. O.D.
RIS of Dimension Dimension
Socket Pins Inches Metric Inches Metric
RIS20 20 2.688 (68.275) 3.000 (76.200)
RIS26 26 3.438 (87.325) 3.750 (95.250)
RIS34 34 4.438 (112.725) 4.750 (120.650)
RIS40 40 5.188 (131.775) 5.500 (139.700)
RIS50 50 6.438 (163.525) 6.750 (171.450)
FEATURES
•MATING CONVENIENCE – Solves the problem of mating ribbon or flat
cable with discrete wiring.
•VERSATILITY – Track mounting provides assembly ease for single or
multiple units.
•WIRE CLAMP ON TERMINAL BLOCKS – Eliminates need for lugs or
wrapping wires.
•SPECIALS – Other lengths and connector types available on special
order.
45
FEATURES
•COMPLETE LINE OF .325” OFFSET BLOCKS – including base mount,
P.C. Pin, wire wrap, turret, and right angle terminals.
•OPEN OR TRI BARRIER DESIGNS – to meet your wiring requirements.
•DURABLE BASE MATERIAL – with a 94V-0 flammability rating.
•MOLDED IN STANDOFFS – to aid in the board cleaning.
•A MULTITUDE OF SCREW AND WIRE TERMINATIONS AV AILABLE
– including wire clamps, wire ready screws, and combo head screws.
SERIES 32500 .325” Center-to-Center Spacing
INSERT DIMENSIONS
STYLES 1, 2 & 4
.062” X 0.32”
STYLE 3
.100” X .032”
0 = Flush Mount 1 – PC Pin 2 – Wire Wrap 3 – Turret Type 4 – Right Angle PC Pin
VARIATIONS
VARIATIONS
0 = Flush Mount 1 – PC Pin 2 – Wire Wrap 3 – Turret Type 4 – Right Angle PC Pin
46
SERIES 32500 .325” Center-to-Center Spacing
Series
Design Molding
Style Insert or
Bottom
Termination
Screw,
Hardware
or T op
Termination
Number of
Positions Special or
Optional
Designs
HOW TO ORDER SERIES 325
3 2 5
0 = Open Style with
Mounting Ears
1 = Open Style w/o
Mounting Ears
2 = Tri Barrier with
Mounting Ears
3 = Tri Barrier w/o
Mounting Ears
0 = Base Mount Insert
1 = P.C. Pin
2 = Wire W rap Pin
3 = Turret Type Pin
4 = Right Angle P.C. Pin
0 = Steel Combo Head
Screw
1 = Wire Clamp Head
Screw
2 = Brass Combo
3 = Stainless Steel
Screw
5 = Supplied w/o
Screws
6 = Quick Connects
8 = Captivated Steel
Combo Head
9 = Captivated Wire
Clamp
0 = No additional
options
A-Z = To be assigned
by factory
P.C. BOARD DRILLING DIMENSIONS WIRE CLAMPS
32500 Series, Wire Clamp captivated to No. 6-32
screw eliminates the need for lugs. May be
ordered factory assembled or bulk. Part Number
for bulk part is #05824700.
47
ENGINEERING SPECIFICATIONS
Center-to-Center Spacing: .325”
Wire Range: No. 22AWG to 14AWG.
Number of Terminals: 1 thru 26 (28 positions without mounting holes)
Voltage Rating: 300V
Tightening Torque: 9 in.-lb.
Current Rating: 15 amps (20 amps with 12AWG & Lugs)
Housing:
Material: Polypropylene
Continuous Use Temp.: 105° C (UL index)
(UL Index)
Flammability Rating: 94V-0
Water Absorption: .03%
Breakdown V oltage
Terminals: Brass - Tin Plated
Series 32500 Surface Mount
With or Without Mounting Ends
Series 32500 Tri-Barrier Surface Mount
With or Without Mounting Ends
1 .650 1.023
2 .975 1.348
3 1.300 1.673
4 1.625 1.998
5 1.950 2.323
6 2.275 2.648
7 2.600 2.973
8 2.925 3.298
9 3.250 3.623
10 3.575 3.948
11 3.900 4.273
12 4.225 4.598
13 4.550 4.923
14 4.875 5.248
15 5.200 5.573
16 5.525 5.898
17 5.850 6.223
18 6.175 6.548
19 6.500 6.873
20 6.825 7.198
21 7.150 7.523
22 7.475 7.848
23 7.800 8.173
24 8.125 8.498
25 8.450 8.823
1 .373
2 .698
3 1.023
4 1.348
5 1.673
6 1.998
7 2.323
8 2.648
9 2.973
10 3.298
11 3.623
12 3.948
13 4.273
14 4.598
15 4.923
16 5.248
17 5.573
18 5.898
19 6.223
20 6.548
21 6.873
22 7.198
23 7.523
24 7.848
25 8.173
26 8.498
27 8.823
28 9.148
No. of
Terminals B ± .031
Mounting Dim. A .031
Overall Dim. No. of
Terminals C ± .031
Less Mtg. Ends
DIMENSIONS
DIMENSIONS
Series 32500 with Mounting Ends Series 32500 without
Mounting Ends
48
FEATURES
•Cost-competitive line of 7/16 (11.11mm) centerline terminal blocks
provides design engineers with multitude of selection choices: base
mount and feed thru styles with P.C. pin, turret, quick connect, wire
wrap and right angle. Available in up to 28 positions.
•Rated up to 30 AMPS, 600 volts. Note: 30 AMP rating requires 10A WG
wire and lugs.
•Accepts very broad wire range from 22AWG to 12AWG. Variety of top
terminations including 6-32 and 8-32 screws, quick connects, wire
clamps, jumpers and covers.
•Unique Curtis contact design helps eliminate fracturing of solder join
due to pin twist.
•Plated brass inserts are standard on all Series 43000 terminal blocks.
Standoffs molded into the blocks inhibit the trapping of solder flux -
makes it easier to clean boards.
•All terminal blocks for electronic use are made from highly durable, self-
extinguishing polypropylene material rated 94 V-0 by Underwriters
Laboratories, Inc.
•Custom built terminal blocks for special applications are available.
Contact any authorized Curtis distributor or representative, or call the
factory direct.
Recognized under the Components Program of Underwriters Laboratories,
Inc. Standard 1059, Guide No. XCFR2, File No. E62557.
Guide No. 184-N-90, Report No. LR39186-1.
SERIES 43000 7/16” 11.11 mm Center-to-Center Spacing
VARIATIONS
SERIES 43000
0 - Flush Mount 1 - Printed Circuit Pin 2 - Turret type
Solder Terminal 3 - Quick
Connect .110”
4 - Quick
Connect .187” 5 - Quick
Connect .250” 6 - Wire Wrap Pin 7 - Right Angle
Printed Circuit Pin
1 - Printed
Circuit Pin 2 - Turret Type
Solder Terminal 3 - Quick Connect .110 6 - Wire Wrap Pin
(extended pc pin)
49
ENGINEERING SPECIFICATIONS
Center-to-Center Spacing: 7/16” (11.11 mm)
Number of Terminals: 1 thru 26 (28 positions
available only without mounting ends.)
Voltage Rating: 600 volts
Tightening T orque: Wire Binding Screw 9 in.-lbs.
Wire Clamp 9 in.-lbs.
Current Rating: 30 amps
Housing:
Material: Polypropylene
Continuous Use Temp.: 105° C
(UL Index)
Flammability Rating: 94V-0
Water Absorption .03%
Chemical Resistance Excellent
Breakdown V oltage 3,000V T yp.
Metal Parts: Brass – Tin Plated
1 .500
2 .938
3 1.375
4 1.813
5 2.250
6 2.688
7 3.125
8 3.563
9 4.000
10 4.438
11 4.875
12 5.313
13 5.750
14 6.188
1 .500
2 .938
3 1.375
4 1.813
5 2.250
6 2.688
7 3.125
8 3.563
9 4.000
10 4.438
11 4.875
12 5.313
13 5.750
14 6.188
NO. OF
TERMINALS C ± .031 LESS
MT. ENDS NO. OF
TERMINALS C ± .031 LESS
MT. ENDS
SERIES 43000 WITHOUT MOUNTING ENDS
1 1.375 .875
2 1.813 1.313
3 2.250 1.750
4 2.688 2.188
5 3.125 2.625
6 3.563 3.063
7 4.000 3.500
8 4.438 3.938
9 4.875 4.375
10 5.313 4.813
11 5.750 5.25
12 6.188 5.688
13 6.625 6.125
A ± .031
OVERALL
DIM.
B ± .031
MOUNTING
DIM. 14 7.063 6.563
15 7.500 7.000
16 7.938 7.438
17 8.375 7.875
18 8.813 8.313
19 9.250 8.750
20 9.688 9.188
21 10.125 9.625
22 10563 10.063
23 11.000 10.500
24 11.438 10.938
25 11.875 11.375
26 12.313 11.813
NO. OF
TERMINALS
A ± .031
OVERALL
DIM.
B ± .031
MOUNTING
DIM.
NO. OF
TERMINALS
SERIES 43000 WITH MOUNTING ENDS
SERIES 43000 SURFACE
MOUNT WITH
MOUNTING ENDS
SERIES 43000 FEED-THRU
50
Molding Insert or
Bottom
Termination
Hardware
or T op
Termination
Design
Number of
Positions Special or
Optional
Designs
HOW TO ORDER SERIES 43000
0 = Surface Mount, no
Bottom T ermination
1 = Printed Circuit Pin
2 = Turret T ype Solder
Terminal
3 = Quick Connect -
110”
4 = Quick Connect -
187”
5 = Quick Connect -
250”
6 = Extended P.C. Pin or
Wire Wrap
7 = Right Angle Printed
Circuit Pin
Note: Option 4 & 5 only
available on surface
mount style molding
0 = Standard Zinc
Plated Steel Screw ,
Combo Head
1 = Wire Clamp Screw
2 = Nickel Plated Brass
Screw
3 = Stainless Steel
Screw
5 = Supplied w/o
Screws
6 = Quick Connects.
See Accessories
for V ariations
8 = Captivated Screw
Option
0 = No additional
options A thru
Z to be
assigned by
factory . Please
call for proper
designation
P.C. BOARD DRILLING DIMENSIONS
Insert/
Screw
Dimension
0 = Surface Mount w/
Mounting Ears
1 = Surface Mount w/o
Mounting Ears
2 = Insulted Feed Thru
w/ Mounting Ears
3 = Insulated Feed
Thru w/o Mounting
Ears
Available 01 thru 26 w/
Mounting End 01 thru
28 w/o mounting ends
RECOMMENDED PANEL
CUTOUT DIMENSIONS
0 = 6-32 Insert and
Screw
1 = 8-32 Insert and
Screw
51
COVERS
43000 – Rigid .030” thick self-extinguishing vinyl. Black matte-finished on
both sides. May double as marking strip when imprinted with white ink.
Complete with spring clips for attaching to mounting positions. Part No.
0196 _ _000, 1 thru 26 poles. Example 019605000 would be a 5 pole
cover.
TERMINAL BLOCK JUMPERS
43000 – Plated brass “Rooster comb” design Type 267A42 permits
connections of two to 18 poles. To order specify: Part No. 267A42-_ _.
Example: 267A42-12 equals 12 pole jumper.
TINNERMAN NUT
43000 – for special mounting of terminal Part No. TN-375.
ACCESSORIES
QUICK-CONNECT TERMINALS
43000 – Available with .250” x .032” quick-connect tabs of tin-plated brass,
held in place by terminal screws. Nine styles ... one to six terminations per
pole. Factory-assembled or supplied bulk.
WIRE CLAMPS
43000 – Wire clamp captivated to No. 6-32 screw eliminates need for lugs.
Accepts up to No. 12AWG wire. May be ordered factory installed or loose.
SERIES 43000 ACCESSORIES
MARKING STRIPS
43000 – Pre-punched black fiber ... mounts under block. May be imprinted
to customer specifications. To order, specify: part No. 267A19-1 thru 26
(with mounting hole); Part No. 267A218-1 thru 26 (less mounting hole).
Part No. TN-375
for long feed thru
