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.
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
Number
A4003XX
A4011XX
A4013XX
A4035XX
A4041XX
A4043XX
A4803XX
A4813XX
A4843XX
A4953XX
B4843XX
Terminal
Top
# 8 Screw
# 8 Screw
# 8 Screw
# 8 Screw
#10 Screw
#10 Screw
#10 Screw
#10 Screw
#10 Screw
#10 Stud
#10 Screw
Terminal
Bottom
#8 Stud
Solder
Solder
Closed
Solder
Solder
#8 Stud
SolderTurret
#8 Screw
#10 Stud
#8 Screw
Wire*
Range Cu
8-16 AWG
10-16 AWG
10-16 AWG
8-16 AWG
10-16 AWG
10-16 AWG
8-16 AWG
10-16 AWG
8-16 AWG
8-16 AWG
8-16 AWG
Ratings*
Volts/Amps
150V/50A
600V/35A
600V/35A
600V/50A
600V/35A
600V/35A
150V/50A
600V/35A
150V/50A
150V/50A
600V/50A
#8-32 or #10-32 THD’S
0.31
(7.9)
Terminal Blocks:
Single & Double Row
EuroMag Series
B484304
A40110407
A4000 Series Dimensions - in (mm)
Terminal Blocks:
Panel & Rail Mount
0.562
(14.27)
0.31
(7.9)
A
B
0.87
(22.1)
0.21
(5.3)
Power Distribution
Blocks
1.05
(26.7)
0.36 dia.
(9.1)
0.57
(14.5)
Wire Management
Products
Note: Above unit supplied with nuts
assembled. Cup washers 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.
Poles
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
A (in.)
Mount Centers
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
9.55
10.12
10.68
B (in.)
Length
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
9.98
10.55
11.11
Optional Cup Washers
Assembled
Available on A4003, A4803,
A4843, A4953 & B4843.
CUP
WASHERS
Edge Connectors,
One-Sided Boards
Reference Panel Cutout for 6 Position Block
0.20 DIA.
(5.1)
Compliance
References
0.75
(19.1)
3.31
(84.1)
3.93
(99.8)
* Dimensions in inches. To convert to millimeters, multiply by 25.4.
For additional product information, visit www.bussmann.com
25
Terminal Blocks - Single Row
Part Numbering System
Terminal Blocks:
Single & Double Row
A4
nn
B4
nn
Series
A4
- standard
B4
- barrier
(only
available
in 84
terminal
style)
nn
Terminal Style
n
Base/End
nn
Poles
nn
Screw Options
nn
†
CW
Options
EuroMag Series
00
- screw top; stud bottom
01
- screw top; solder bottom
03
- screw top only
04
- #10 screw top; solder term. b.
80
- screw top; stud bottom
#10-32 top, #8-32 bottom
insulated base
81
- screw top; solder turret bottom
#10-32
84
- screw top; screw bottom #10-32
95
- stud top; stud bottom #10-32
*1
- flat base/
02
to
18
Blank - std. screw
mount end
00
- screws shipped bulk
3
- insulator base-
04
- brass nickel-plated
(not available
07
- steel SEMS zinc
in 03
plated (not available
terminal style)
with hardware options;
/mount end
only available on A4011,
5
- closed base/
A4013, A4021 and A4035)
mount end
(available
in 03
terminal only
*Available in 01, 02, 04 & 05 terminal style only.
**Consult factory for configuration.
A1
to
A9
- 0.250” QC
- cup washer (pg 25)
L1
to
L6
marking options (pg 27)
S1 & S2
- solder lugs/flat
J301**
- flat slip-on jumper
(2 position only)
Covers
- (pg 28)
† Available only on A4003, A4803,
A4843, A4953 & B4843.
Inches (Millimeters)
Terminal Blocks:
Panel & Rail Mount
Terminal Styles
#8-32 SCREW
#8-32 or #10-32 SCREW
0.94
(23.9)
1.99
(50.6)
0.43
(10.9)
1.41
(35.8)
0.17
(4.3)
#8-32 or #10-32 SCREW
1.41
(35.8)
#8-32 HEX NUT
0.41
(10.4)
0.04
(1.0)
0.04
(1.0)
0.43
(10.9)
0.36
(9.1)
Power Distribution
Blocks
A4003XX
A4011XX
(#8-32)
A4041XX
(#10-32)
#10-32 SCREW
A4013XX
(#8-32)
A4043XX
(#10-32)
#10-32 SCREW
#8-32 SCREW
(TYP)
0.94
(23.9)
1.99
(50.6)
0.80
(20.3)
1.85
(47.0)
#8-32 HEX NUT
0.41
(10.4)
TURRET
0.36
(9.1)
A4035XX
Wire Management
Products
A4803XX
#10-32 STUD
A4813XX
#10-32 SCREW
#10-32 SCREW
1.05
(26.7)
1.55
(39.4)
1.99
(50.6)
0.30
(7.6)
0.79
(20.1)
1.84
(46.7)
0.49
(12.5)
#8-32 SCREW
#10-32 HEX NUT
0.41
(10.4)
0.94
(23.9)
0.09
(2.4)
#8-32 SCREW
0.41
(10.4)
A4843XX
A4953XX
B4843XX
Edge Connectors,
One-Sided Boards
Hardware Options
Solder Lugs
1.12 (28.4)
(Bulk ordering part numbers are in parentheses)
Quick Connects
Blade Width A = 0.250”.
(For other orientations, contact factory.)
Inches (Millimeters)
Jumpers
*S1
(2S1-J)
J301
(J301-J)
A1
(4A1-J)
A2
(4A2-J)
A3
(4A3-J)
A4
(4A4-J)
A5
(4A5-J)
Compliance
References
0.56 (14.3)
*S2
(2S2-J)
*Not available for A4843
A6
(4A6-J)
A7
(4A7-J)
A8
(4A8-J)
A9
(4A9-J)
26
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