Pushbutton Switches
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
Butt Contact Pushbutton Switches
SERIES 30
SPST, 1 and 5 Amp
FEATURES
• Reliable
• Economical
• Large Selection
• UL Recognized
• CSA Certified
• Sealed Bushing and
Pushbutton Option
Normally Open–SPST Standard, Economy and UL Recognized
30-1
30-1UL
30-3
30-3UL
30-601*
DIMENSIONS In Inches (and millimeters)
At 5 Vdc At 20 Vdc 30-601 RED Red
150 mA 20 mA 30-601 BLK Black
Button
Color
Operations
at Rated
Load
1,000,000
Mtg.
Hole
Total
Travel
Actuating
Force (oz.)
Electrical
Ratings
Action
.062 ± .010 17/64"
(1,57 ± 0,25) (6,75)
Momentary 10 ± 4
Economy Version
Mtg.
Hole
Total
Travel
Action Actuating
Force (oz.)
Button
Color
30-1 Red
30-3 Black
Part
Number
Operations
at Rated
Load
Rating at
115 Vac
Resistive
Rating at
220 Vac
Resistive
1 Amp 0.5 Amp 1,000,000
Momentary 10 ± 4
Standard
Mtg.
Hole
Total
Travel
Action Actuating
Force (oz.)
Button
Color
30-1UL Red
30-3UL Black
Part
Number
Operations
at Rated
Load
Rating at
120 Vac
Resistive
Rating at
220 Vac
Resistive
5 Amp 2.5 Amp 6,000
Momentary 10 ± 4
UL Recognized
*Complete
Part
Number
.062 ± .010 17/64"
(1,57 ± 0,25) (6,75)
.062 ± .010 17/64"
(1,57 ± 0,25) (6,75)
.162 ± .005
(4,11 ± 0,13)
A
.992
(25,20)
REF.
1/4-32 UNEF-2A
THREAD
.375
± .005
(9,53 ± 0,13)
D
C
B
A = .150 ± .015
(3,81 ± 0,38)
B = .250 ± .010
(6,35 ± 0,25)
C = .370 ±.015
(9,40 ± 0,38)
D = .222 ± .020
(5,64 ± 0,51)
HEX MOUNTING NUT
.375 (9,53) ACROSS FLATS
.109 (2,77) THICK
LABEL*
*PART NUMBER
AND E.I.A. DATE
CODE LABEL
.186
(4,72)
REF.
C
L C
L
Pushbutton
43
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
Pushbutton Switches
Butt Contact Pushbutton Switches
A
1.091
(27,71)
REF.
.437
r .010
(11,10 r 0,25)
ACROSS FLATS OF HEX
.505 (12,83) REF.
ACROSS CORNERS
D
C
B
A = .209 r .015
(5,31 r 0,38)
B = .250 r .010
(6,35 r 0,25)
C = .410 r.015
(10,41 r 0,38)
D = .222 r .020
(5,64 r 0,51)
E = .187 r.010
(4,75 r 0,25)
F = .100 r .010
(2.54 r 0,25)
F
T
SNAP ON CAP
E
.375r .010 DIA.
(9,53
r 0,25)
T = 1/4-32
UNEF-2A
THREAD
O = O RING
O
HEX MTG NUT
.312 (7,92)
ACROSS FLATS
.062 (1,57)
THICK
LABEL*
*PART NUMBER
AND E.I.A. DATE
CODE LABEL
.015 (0,38)
.186 REF.
(4.7)
Normally Open–SPST With
Sealed Bushing and Button
30-251*
Normally Closed–SPST With
Sealed Bushing and Button
30-252*
Mtg.
Hole
Total
Travel
Action
Button
Color
Operations
at Rated
Load
Rating at
115 Vac
Resistive
Rating at
220 Vac
Resistive
1 Amp 1/2 Amp 250,000
Actuating
Force (oz.)
Momentary 30 ± 8
*Complete
Part
Number
Mtg.
Hole
Total
Travel
Action
Button
Color
Operations
at Rated
Load
Rating at
115 Vac
Resistive
Rating at
220 Vac
Resistive
Actuating
Force (oz.)
Momentary 12 ± 4
*Complete
Part
Number
30-2
30-2UL
30-6
30-6UL
Normally Closed–SPST and UL Recognized Normally Closed–SPST
Mtg.
Hole
Total
Travel
Action Actuating
Force (oz.)
Button
Color
30-2 Black
30-6 Red
Part
Number
Operations
at Rated
Load
Rating at
115 Vac
Resistive
Rating at
220 Vac
Resistive
Momentary 8 ± 4
UL Recognized
Mtg.
Hole
Total
Travel
Action Actuating
Force (oz.)
Button
Color
30-2UL Black
30-6UL Red
Part
Number
Operations
at Rated
Load
Rating at
120 Vac
Resistive
Rating at
220 Vac
Resistive
5 Amp —– 6,000
Momentary 8 ± 4
DIMENSIONS In Inches (and millimeters)
1 Amp 1/2 Amp 1,000,000
.065 + .010/ - .015 17/64"
(1,65 + 0,25/ - 0,38) (6,75)
.065 + .010/ - .015 17/64"
(1,65 + 0,25/ - 0,38) (6,75)
30-251 RED Red
30-251 BLK Black
.062 ± .020 17/64"
(1,57 ± 0,51) (6,75)
30-252 RED Red
30-252 BLK Black
.065 ± .010 17/64"
(1,65 ± 0,25) (6,75)
1 Amp 1/2 Amp 250,000
.162 r .005
(4,11 r 0,13) DIA.
A
1.005
(25,53)
REF.
1/4-32 UNEF-2A
THREAD
.375
r .005
(9,53 r 0,13)
.230 REF.
(5.8)
D
C
B
A = .150 r .015
(3,81 r 0,38)
B = .250 r .010
(6,35 r 0,25)
C = .375 r.015
(9,53 r 0,38)
D = .230r .020
(5,84 r 0,51)
HEX MOUNTING NUT
.375 (9,53) ACROSS FLATS
.109 (2,77) THICK
LABEL*
*PART NUMBER
AND E.I.A. DATE
CODE LABEL
A
1.104
(28,04)
REF.
T = 1/4-32
UNEF-2A
THREAD
O = O RING
.437
r .010
(11,10 r 0,25)
ACROSS FLATS OF HEX.
.505 (12,83) REF.
ACROSS CORNERS
D
C
B
O
A = .209 r .015
(5,31 r 0,38)
B = .250 r .010
(6,35 r 0,25)
C = .415 r .015
(10,54 r 0,38)
D = .230 r .015
(5,84 r 0,38)
E = .187 r.010
(4,75 r 0,25)
F = .100 r .010
(2.54 r 0,25)
F
T
SNAP ON CAP
E
.375 r .010 DIA.
(9,53
r 0,25)
HEX MTG NUT
.312 (7,92)
ACROSS FLATS
.062 (1,57)
THICK
LABEL*
.230 REF.
(5.8)
*PART NUMBER
AND E.I.A. DATE
CODE LABEL
Pushbutton
44
Pushbutton Switches
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
Butt Contact Pushbutton Switches
Normally Open–SPST With
Overtravel
30-15
30-37
DIMENSIONS In Inches (and millimeters)
Normally Open–SPST With
Positive Feel
30-17*
Normally Open–SPST With
Push-Pull
30-16*
Mtg.
Hole
Total
Travel
Action Actuating
Force (oz.)
Button
Color
30-15 Red
30-37 Black
Part
Number
Operations
at Rated
Load
Rating at
115 Vac
Resistive
Rating at
220 Vac
Resistive
8 ± 4
Button
Color
Operations
at Rated
Load
Rating at
115 Vac
Resistive
Rating at
220 Vac
Resistive
1 Amp 1/2 Amp 100,000
*Complete
Part
Number
30-16 RED Red
30-16 BLK Black
Mtg.
Hole
Total
Travel
Action Actuating
Force (oz.)
Push-to-Make 56 ± 16
Momentary .125 + .020/ - .010 17/64"
.020" Overtravel (3,18 + 0,51/ - 0,25) (6,75)
1 Amp 1/2 Amp 500,000
.145 ± .015 31/64"
(3,68 ± 0,38) (12,30)
C
.162 r .005
(4,11 r 0,13)
A
1.077
(27,36)
REF.
1/4-32 UNEF-2A
THREAD
.375
r .005
(9,53 r 0,13)
D
B
A = .150 r .015
(3,81 r 0,38)
B = .250 r .010
(6,35 r 0,25)
C = .455 r.015
(11,56 r 0,38)
D = .222 r .020
(5,64 r 0,51)
HEX NUT
(SEE H)
H = HEX NUT
3/8 r .010 (9,53 r 0,25)
ACROSS FLATS
3/32 r .010 (2,38 r 0,25)
THICK
LABEL*
.186 REF.
(4.7)
*PART NUMBER
AND E.I.A. DATE
CODE LABEL
.390 ± .010
(9,91 ± 0,25)
15/32-32
UNS-2A
THREAD
A = .392 ± .015
(9,96 ± 0,38)
B = .421 ± .015
(10,69 ± 0,38)
C = .315 ±.015
(8,00 ± 0,38)
D = .222 ± .020
(5,64 ± 0,51)
E = .205 (5,21)
REF.
HEX NUT (2)
(SEE H)
A
E
1.35
(34,3)
REF.
D
C
B
H = HEX NUT
9/16 ± .010 (14,29 ± 0,25)
ACROSS FLATS
3/32 ± .010 (2,38 ± 0,25) THICK
LABEL*
.186 REF
(4.7)
*PART NUMBER
AND E.I.A. DATE
CODE LABEL
.187 ± .005
(4,75 ± 0,13)
A
1.45
(36,8)
REF.
15/32-32
UNS-2A
THREAD
D
C
B
A = .493 ± .015
(12,52 ± 0,38)
B = .421 ± .015
(10,69 ± 0,38)
C = .315 ±.015
(8,00 ± 0,38)
D = .222 ± .020
(5,64 ± 0,51)
HEX NUT (2)
(SEE H)
H = HEX NUT
9/16 ± .010 (14,29 ± 0,25)
ACROSS FLATS
3/32 ± .010 (2,38 ± 0,25) THICK
LABEL*
.186 REF
(4.7)
*PART NUMBER
AND E.I.A. DATE
CODE LABEL
Rating at
115 Vac
Resistive
Rating at
220 Vac
Resistive
30-17 RED Red
30-17 BLK Black
Button
Color
*Complete
Part
Number
Operations
at Rated
Load
1 Amp 1/2 Amp 200,000
Action Mtg.
Hole
Total
Travel
Actuating
Force (oz.)
Over
Travel
18 ± 4
Momentary .156 ± .015 .046 (1,17) 31/64"
Pos. Feel (3,96 ± 0,38) Min. (12,30)
Pushbutton
45
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
Pushbutton Switches
Butt Contact Pushbutton Switches
DIMENSIONS In Inches (and millimeters)
Normally Closed–SPST With
Push-Pull
30-32
ACCESSORIES
Button Cap and Guard
The button cap is available in 3 colors: part
number 30B1012-5 is red; part number
30B1012-8 is white; and part number 30B1012-
9 is black. It may be fastened to the button with
adhesive. It may be used with the following
Series 30 switches: 30-1, 30-1UL, 30-2, 30-
2UL, 30-3, 30-3UL, 30-15, 30-37, 30-601 BLK,
and 30-601 RED.
The button guard, part number 10C1015-1 is
made to be used with 15/32" (11,91) inch
diameter switches to prevent unintentional
actuation. It may be used with the following
Series 30 switches: 30-16 BLK, 30-16 RED,
30-17 BLK, 30-17 RED, 30-32 BLK, and 30-32
RED
For the dimensions, materials and finishes of
the button cap and guard, see page E-36.
Decorative Mounting Nuts
Part Number 30C1023-1 is made for switches
with 1/4" (6,35) inch diameter bushings. It may
be used with the following Series 30 switches:
30-1, 30-1 UL, 30-2, 30-2 UL, 30-3, 30-6, 30-15,
30-37, 30-251 BLK, 30-251 RED, 30-252 BLK,
30-252 RED, 30-601 BLK and 30-601 RED.
Part Number 07C1040-1 is made for switches
with 15/32" (11,91) inch diameter bushings. It
may be used with the following Series 30 switches:
30-16 BLK, 30-16 RED, 30-17 BLK, 30-17 RED,
30-32 BLK and 30-32 RED.
For the dimensions, materials and finishes of
these decorative mounting nuts, see page
E-36.
STANDARD OPTIONS
Decorative mountings, see pages E-24 to E-26.
SPECIFICATIONS
Rating Criteria
For UL recognized switches, see individual
switch chart. File number is E35289.
Contact Resistance: 25 milliohms maximum
on a new switch
Voltage Breakdown: 1,000 Vac between
mutually insulated parts
Insulation Resistance: 1,000 megohms
minimum
Operating Temperature: -40° to +85°C
Mounting Torque: 2 inch-pounds
Switch Materials and Finishes
Mounting Nut and Cover Bushing: Brass, tin
zinc
Button
Color
Operations
at Rated
Load
Rating at
115 Vac
Resistive
Rating at
220 Vac
Resistive
1 Amp 1/2 Amp 100,000 30-32 RED Red
30-32 BLK Black
Mtg.
Hole
Total
Travel
Action Actuating
Force (oz.)
Part
Number
Pull-to-Make 56 ± 16
Part Description
Number and Button Color
30-1* N.O., Standard, Red
30-2* N.C., Standard, Black
30-3* N.O., Black
30-6* N.C., Red
30-15 N.O., Overtravel, Red
30-16 BLK Push to Make, Black
30-16 RED Push to Make, Red
30-17 BLK N.O., Positive Feel, Black
30-17 RED N.O., Positive Feel, Red
30-32 BLK Pull to Make, Black
30-32 RED Pull to Make, Red
30-37 BLK N.O., Overtravel, Black
30-251 BLK N.O., Sealed, Black
30-251 RED N.O., Sealed, Red
30-252 BLK N.C., Sealed, Black
30-252 RED N.C., Sealed, Red
30-601 BLK N.O., Economy, Black
30-601 RED N.O., Economy, Red
Accessory
Part Number Description
30B1012-5 Accessory Cap, Red
30B1012-8 Accessory Cap, White
30B1012-9 Accessory Cap, Black
30C1023-1 Accessory Nut
07C1040-1 Accessory Nut
10C1015-1 Button Guard
Accessory Cap
30B1012-5
30B1012-8
30B1012-9 Button Guard
10C1015-1 Decorative Mounting Nuts
07C1040-1
30C1023-1
CIRCUITRY
ORDERING INFORMATION
See page E-36 for dimensions.
*Add “UL” suffix to part number for UL recognized
switches.
Available from your local Grayhill Distributor.
For prices and discounts, contact a local Sales
Office, an authorized local Distributor or Grayhill.
.145 ± .015 31/64"
(3,68 ± 0,38) (12,30)
Base: Thermoset plastic
Button: Polyester for 30-16 and 30-32; Phenolic
for 30-17, 30-1UL, 30-2, 30-2UL, 30-3UL, 30-6
and 30-6UL; Polycarbonate for all others.
Shorting Bar: Brass with gold over nickel plating
for 30-601; brass with fine silver contact surface
for all others.
Terminals: Brass with gold over nickel plating
for 30-601; commercial brass with fine silver
contact surface and silver-plated for all others.
Spring: Tinned music wire
Button Cap: Nylon for 30-17; Polyethylene for
30-251 and 30-252.
Detent Balls: Carbon steel, nickel-plated
Terminal Type: Solder lug
O-Ring Seal: (30-251, 30-252) Nitrile per
MIL-P-5516
1.87 ± .005
(4,75 ± 0,13)
A
1.36
(34.5)
REF.
15/32-32
UNS-2A
THREAD
D
C
B
A = .493 ± .015
(12,52 ± 0,38)
B = .421 ± .015
(10,69 ± 0,38)
C = .225 ±.015
(5,72 ± 0,38)
D = .222 ± .020
(5,64 ± 0,51)
HEX NUT (2)
(SEE H)
H = HEX NUT
9/16 ± .010 (14,29 ± 0,25)
ACROSS FLATS
3/32 ± .010 (2,38 ± 0,25) THICK
LABEL*
.230 REF
(5.8)
*PART NUMBER
AND E.I.A. DATE
CODE LABEL
SPST N.O.
SPST N.C.
Pushbutton
46
