Series A4000 & Series B4000
Single Row Terminal Blocks
SPECIFICATIONS
Rating: See table.
Center Spacing: 0.562” or 9/16” (14.28mm)
Wire Range: See rating table.
Screw Size: #8-32 or #10-32 zinc-plated slotted
screws
Torque Rating: #8 screw size 16 lb-in.; #10 screw size
20 lb-in.
Distance Between Barriers: 0.47” (11.9mm)
Operating Temperature: 105°C (221°F) max., -40°C
(-40°F) min.
Molded Material: Black, UL Rated 94V0 Thermoplastic
Hardware: Bottom studs supplied with nuts assembled.
Cup washers are optional on bottom studs but are not
recommended with ring terminals.
Extended Hex Nuts: Optional extended, slotted hex nuts
enable easier installation and removal with hex wrench or
screwdriver. Available in bulk for the #10-32 studs on
Series A4953 blocks. Specify part number F582 and
quantity.
Breakdown Voltage: 6100V
Agency Information: UL File E62622, CSA File 47235;
CE Certified
RATING TABLE
Part Terminal Terminal Wire* Ratings*
Number Top Bottom Range CU Volts/Amps
A4003XX # 8 Screw #8 Stud 8-16 AWG 150V/50A
A4011XX # 8 Screw Solder 10-16 AWG 600V/35A
A4013XX # 8 Screw Solder 10-16 AWG 600V/35A
A4021XX # 8 Screw 0.250 QC 10-16 AWG 600V/35A
A4035XX # 8 Screw Closed 8-16 AWG 600V/50A
A4041XX #10 Screw Solder 10-16 AWG 600V/35A
A4043XX #10 Screw Solder 10-16 AWG 600V/35A
A4051XX #10 Screw 0.250 QC 10-16 AWG 600V/35A
A4803XX #10 Screw #8 Stud 8-16 AWG 150V/50A
A4813XX #10 Screw SolderTurret 10-16 AWG 600V/35A
A4843XX #10 Screw #8 Screw 8-16 AWG 150V/50A
A4953XX #10 Stud #10 Stud 8-16 AWG 150V/50A
B4843XX #10 Screw #8 Screw 8-16 AWG 600V/50A
* All models 30A Max. with 10 AWG;
35-50A ratings with 8 AWG using ring or fork type terminals.
Note: 50A rating achieved with #8 copper wire crimped to ring terminal.
* Dimensions in inches. To convert to millimeters, multiply by 25.4.
A4000 Series Dimensions - in (mm)
0.87
(22.1)
A
B
1.05
(26.7)
#8-32 or #10-32 THD’S
0.562
(14.27) 0.31
(7.9)
0.21
(5.3)
0.57
(14.5)
0.31
(7.9)
0.36 dia.
(9.1)
Note: Above unit supplied with nuts
assembled. Cup washers are optional.
Optional Cup Washers
Assembled
Available on A4003, A4803,
A4843, A4953 & B4843.
CUP
WASHERS
3.31
(84.1)
0.20 DIA.
(5.1)
0.75
(19.1)
3.93
(99.8)
Reference Panel Cutout for 6 Position Block
Poles A (in.) B (in.)
Mount Centers Length
2 1.69 2.12
3 2.25 2.68
4 2.81 3.24
5 3.37 3.80
6 3.93 4.36
7 4.50 4.93
8 5.06 5.34
9 5.62 6.05
10 6.18 6.61
11 6.74 7.17
12 7.31 7.74
13 7.87 8.30
14 8.43 8.86
15 8.99 9.44
16 9.55 9.98
17 10.12 10.55
18 10.68 11.11
B484304
A40110407
A481307
Terminal Blocks - Single Row
Terminal Blocks:
Single & Double Row EuroMag Series Terminal Blocks:
Base & Rail Mount Power Distribution
Blocks Wire Management
Products Edge Connectors,
One-Sided Boards Compliance
References
Series Terminal Style Base/End Poles Screw Options Options
A4
- standard
B4
- barrier
#8-32 SCREW
1.99
(50.6)
0.41
(10.4)
#8-32 HEX NUT
0.94
(23.9)
A4003XX
Terminal Styles Inches (Millimeters)
Part Numbering System
A 4
B 4
0.36
(9.1)
1.41
(35.8)
0.43
(10.9)
0.04
(1.0)
0.17
(4.3)
#8-32 or #10-32 SCREW
A4013XX (#8-32)
A4043XX (#10-32)
#8-32 or #10-32 SCREW
1.41
(35.8)
0.43
(10.9)
0.04
(1.0)
A4011XX (#8-32)
A4041XX (#10-32)
#8-32 SCREW
(TYP)
A4035XX
#10-32 SCREW
0.36
(9.1)
1.85
(47.0)
TURRET
0.80
(20.3)
A4813XX
#10-32 SCREW
1.99
(50.6)
0.41
(10.4)
#8-32 HEX NUT
0.94
(23.9)
A4803XX
#10-32 SCREW
1.55
(39.4)
#8-32 SCREW
0.49
(12.5)
A4843XX
#10-32 SCREW
0.41
(10.4)
1.84
(46.7)
#8-32 SCREW
0.79
(20.1)
0.30
(7.6)
0.09
(2.4)
B4843XX
1.05
(26.7)
#10-32 STUD
0.94
(23.9)
0.41
(10.4)
#10-32 HEX NUT
1.99
(50.6)
A4953XX
Hardware Options (Bulk ordering part numbers are in parentheses.) Inches (Millimeters)
Solder Lugs Jumpers Quick Connects Blade Width A = 0.250”. (For other orientations, contact factory.)
0.56 (14.3)
*S1
(2S1-J) J301
(J301-J)
1.12 (28.4)
*S2
(2S2-J)
A1
(4A1-J) A2
(4A2-J) A3
(4A3-J)
A9
(4A9-J)
A4
(4A4-J) A5
(4A5-J)
A6
(4A6-J) A7
(4A7-J) A8
(4A8-J)
A4021XX (#8-32)
A4051XX (#10-32)
0.250
(6.35)
1.56
(39.6)
0.03
(0.8) 0.59
(15.0)
#8-32 or #10-32 SCREW
00
- screw top; stud bottom
*1
- flat base/
02
to
18 Blank
- std. screw
A1
to
A9
- 0.250” QC
01
- screw top; solder bottom mount end
00
- screws shipped bulk †
CW
- cup washer (pg 20)
02
- #8 screw top; 0.250˝ QC bottom
3
- insulator base-
04
- brass nickel-plated
J301
- flat slip-on jumper
03
- screw top only (not available
07
- steel SEMS zinc (2 position only)
(only
04
- #10 screw top; solder term. b. in 03 plated (not available
L1
to
L6
marking options (pg 22)
available
05
- #10 screw top; 0.250˝ QC bottom terminal style) with hardware options;
S1 & S2
- solder lugs/flat
in 84
80
- screw top; stud bottom /mount end not available on A4003,
terminal #10-32 top, #8-32 bottom
5
- closed base/ A4803, A4813, A4843,
style) insulated base mount end B4843)
81
- screw top; solder turret bottom (available
#10-32 in 03
84
- screw top; screw bottom #10-32 terminal
95
- stud top; stud bottom #10-32 only)
*Available in 01, 02, 04 & 05 terminal style only. † Available only on A4003, A4803,
A4843, A4953 & B4843.
*Not available for A4843
Terminal Blocks - Single Row
Mouser Electronics
Authorized Distributor
Click to View Pricing, Inventory, Delivery & Lifecycle Information:
Cooper Bussmann:
J301/J
Eaton:
B48430600 A495308CW A404306 A401309 A48130600 A48130204 B48431004 A404104L1 A484307
A484312L1 A481303 A40031604 A401112 B484302A8 A495303CW A48031204 A48130400 A403511S1
B484310CW A40030304 A404106 A404102 B48430900 A403502A2 B484314L1 A403506 B484303 A481304
A480302CW A48031004CW A40411404 B48430304 A40110507 A40130504 A480302L5 A481310 A48131000
A404303 A484304CW B48431000 A48430604CW A400304 A48131304 A48130304 B48430804 A40411204
A495308 A481306 A404104 A400304L5 A401306 A484303CW A404108 A400311 B484309 A40350200
A495318 B484314 A404103 A401314 A404304 A48031604 A403502 B48431404 A48430204 A48431204
A40350300 A481312 A48430500 A481302L5 A48130207L5 A40351604 A40130600 A480304 A404302
A40031100 A48430800
