Single RowTerminal Blocks
A & B4
A4
B4
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.
A400303
B484302
#10 screw size 20 lb-in.
Distance Between Barriers: 0.47” (11.9mm)
OperatingTemperature: 105°C (221°F) max., -40°C (-40°F) min.
Molded Material: Black, UL Rated 94V0 Thermoplastic
Hardware: Bottom studs supplied with nuts assembled.
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 A4953 blocks. Specify part
number F582 and quantity.
Breakdown Voltage: 6100V
Agency Information: UL File E62622, CSA File 47235; CE Certified
Dimensions Inches (Millimeters)
MOUNTING ENDS ONLY
“A”
“B”
Poles
Mounting Centers
Dimension Length
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
1.690
2.255
2.820
3.385
3.950
4.515
5.080
5.645
6.212
6.777
7.342
7.908
8.473
9.038
9.605
2.120
2.685
3.250
3.817
4.382
4.947
5.513
6.078
6.644
7.210
7.775
8.340
8.905
9.470
10.035
RatingTable
Terminal
Bottom
Wire*
Range Cu
Ratings* Volts/
Amps
Part Number
TerminalTop
A4003XX
A4011XX
A4013XX
A4035XX
A4041XX
A4043XX
A4813XX
A4843XX
A4953XX
B4843XX
# 8 Screw
# 8 Screw
# 8 Screw
# 8 Screw
#10 Screw
#10 Screw
#10 Screw
#10 Screw
#10 Stud
#8 Stud
Solder
Solder
Closed
Solder
8-16 AWG
10-16 AWG 600V/35A
10-16 AWG 600V/35A
150V/50A
8-16 AWG
600V/50A
10-16 AWG 600V/35A
10-16 AWG 600V/35A
10-16 AWG 600V/35A
8-16 AWG
8-16 AWG
8-16 AWG
Solder
SolderTurret
#8 Screw
#10 Stud
#8 Screw
150V/50A
150V/50A
600V/50A
#10 Screw
Dimensions in inches. To convert to millimeters, multiply by 25.4.
* 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.
Reference Panel Cutout for 6 Position Block