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Terminal Blocks - Single Row
A481307
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.
B484304
A4000 Series Dimensions - in (mm)
A40110407
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
0.562
(14.27)
0.31
(7.9)
quantity.
Breakdown Voltage : 6100V
Agency Information: UL File E62622, CSA File 47235;
A
B
0.87
(22.1)
0.21
(5.3)
CE Certified
RATING TABLE
#8-32 or #10-32 THD’ S
Part
Terminal
Terminal
Wire*
Ratings*
0.31
Number
A4003XX
A4011XX
A4013XX
A4021XX
A4035XX
A4041XX
A4043XX
A4051XX
A4803XX
A4813XX
A4843XX
A4953XX
B4843XX
Top
# 8 Screw
# 8 Screw
# 8 Screw
# 8 Screw
# 8 Screw
#10 Screw
#10 Screw
#10 Screw
#10 Screw
#10 Screw
#10 Screw
#10 Stud
#10 Screw
Bottom
#8 Stud
Solder
Solder
0.250 QC
Closed
Solder
Solder
0.250 QC
#8 Stud
SolderTurret
#8 Screw
#10 Stud
#8 Screw
Range CU
8-16 AWG
10-16 AWG
10-16 AWG
10-16 AWG
8-16 AWG
10-16 AWG
10-16 AWG
10-16 AWG
8-16 AWG
10-16 AWG
8-16 AWG
8-16 AWG
8-16 AWG
Volts/Amps
150V/50A
600V/35A
600V/35A
600V/35A
600V/50A
600V/35A
600V/35A
600V/35A
150V/50A
600V/35A
150V/50A
150V/50A
600V/50A
(7.9)
0.36 dia.
(9.1)
1.05
(26.7)
0.57
(14.5)
Note: Above unit s upplied with nut s
a ss embled. Cup wa s her s are optional.
* 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.
Optional Cup Washers
Assembled
Available on A4003, A4803,
Poles
A (in.)
Mount Centers
B (in.)
Length
A4843, A4953 & B4843.
CUP
2
3
4
5
6
7
8
9
10
11
12
13
14
15
1.69
2.25
2.81
3.37
3.93
4.50
5.06
5.62
6.18
6.74
7.31
7.87
8.43
8.99
2.12
2.68
3.24
3.80
4.36
4.93
5.34
6.05
6.61
7.17
7.74
8.30
8.86
9.44
WASHERS
Reference Panel Cutout for 6 Position Block
0.20 DIA.
(5.1)
0.75
(19.1)
16
17
18
9.55
10.12
10.68
9.98
10.55
11.11
3.93
(99.8)
3.31
(84.1)
* Dimensions in inches. To convert to millimeters, multiply by 25.4.
20
For additional product information, visit www.cooperbussmann.com/magnum
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