IEC Busbar Mounting System Specifications

141A, 141C, 141A-SG003, Crossboard, busbar, mounting, starter, adapter, module, IEC, UL, MCS, eco, iso

Rockwell Automation

IEC Busbar Mounting System Specifications

Original Instructions IEC Busbar Mounting System Specifications Bulletins 141A, 141C Topic Page Product Overview 2 141C Crossboard Mounting System 3 Catalog Number Explanation 3 Product Selection 4 Accessories 6 Specifications 7 Approximate Dimensions 9 141A Classic Mounting System 17 Catalog Number Explanation 17 Product Selection 19 ...

Rockwell Automation Publication 141-TD001A-EN-P - April 2021 51 141A Classic Mounting System Approximate Dimensions Figure 41 - Cat. Nos. 141A-TR3F16, -T13, -TR3E, -TR4E, and T13E Busbar Supports and End Covers

IEC Busbar Mounting System Specifications - Literature ...

Original Instructions. IEC Busbar Mounting System Specifications ... Rockwell Automation Publication 141-TD001A-EN-P - April 2021. Product Overview. Product ...

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141-td001 -en-p
Technical Data
Original Instructions

IEC Busbar Mounting System Specifications
Bulletins 141A, 141C

Topic

Page

Product Overview

2

141C Crossboard® Mounting System

3

Catalog Number Explanation

3

Product Selection

4

Accessories

6

Specifications

7

Approximate Dimensions

9

141A Classic Mounting System

17

Catalog Number Explanation

17

Product Selection

19

Specifications

32

Approximate Dimensions

38

Additional Resources

55

Product Overview
Product Overview

Bulletin No. Current Rating, Max. Degree of Protection (Ingress Rating)
Standards Compliance
Certifications Features Product Selection

141C Crossboard® Mounting System
UL: 100 A IEC: 125 A
IP20
· IEC/EN 61439-1:2011 · UL 508 · CSA C22.2, No 14 · EN 60947-1 + A1:2007 · EN 60947-1 + A2:2011 · EN 60947-3 + A1:2008 · EN 60947-3 + A2:2012
CE cULus Listed
· Reduced power wiring · Efficient design with decreased panel space · Adapters to support a wide range of devices · Plug-and-play design
page 3

141A MCS Mounting System UL: 1400 A IEC: 1175 A
IP20B (finger safe)
· IEC/EN 61439-1 · UL 508(1) · CSA C22.2, No 14
CE cULus Recognized · Reduced power wiring · Efficient design with decreased panel space · Factory-assembled starters · Adapters to support a wide range of devices · Plug-and-play design
page 17

(1) Most components comply with UL 508; there some exceptions. Consult your local Rockwell Automation sales office or Allen-Bradley distributor.

2

Rockwell Automation Publication 141-TD001A-EN-P - April 2021

141C Crossboard® Mounting System
Catalog Number Explanation
Examples that are given in this section are not intended to be used for product selection. Not all combinations produce a valid catalog number.

Busbar Bases

141C ­ B

225

a

b

c

a

Bulletin Number

Code

Description

141C Crossboard Mounting System

b

Type

Code

Description

B Busbar system base, 3-pole

c Length Code Description 225 225 mm (8.86 in.) 405 405 mm (15.94 in.)

Busbar Adapters

141C ­ 18

S

16

L1

a

b

c

d

e

a

Bulletin Number

Code

Description

141C Crossboard Mounting System

b No. of Poles/Width Code Description
18 1 pole, 18 mm (0.71 in.)
45 3 poles, 45 mm (1.77 in.)

c Mounting Rail Code Description

S

Fixed

R Adjustable

d

Current Rating

Code

Description

Blank

0 A (no electrical connection)

16

16 A

25

25 A

32

32 A

45

45 A

63

63 A

e Terminal Connection Code Description

Blank

No electrical connection

L1

L1

L2

L2

L3

L3

Connection Modules

141C ­ VN

16

a

b

c

a

Bulletin Number

Code

Description

141C Crossboard Mounting System

b

Type

Code

Description

VN Connection module, 3-pole

c

Wire Size

Code

Description

16

16 mm2, #14...6 AWG

50

50 mm2, #10...1 AWG

Rockwell Automation Publication 141-TD001A-EN-P - April 2021

3

141C Crossboard® Mounting System Product Selection

Busbar Adapters for Bulletin 140G Molded Case Circuit Breakers, 140MG Motor Protection Circuit Breakers, and 140MG Motor Circuit Protectors

141C ­ G

G

U

a

b

c

d

a

Bulletin Number

Code

Description

141C Crossboard Mounting System

b

Type

Code

Description

G

Busbar adapters for Bulletin 140G and MG devices

Product Selection

c

Frame Size

Code Description

G

G-Frame

H

H-Frame

d

Terminals

Code

Description

U

Universal Connection

Busbar System Bases

Description
Busbar system base · 3 poles

Rated Thermal Current [A]

IEC

UL

125

100

Width [mm (in.)] 225 (8.86)

Pkg. Qty. 1

125

100

405 (15.94)

1

Cat. No. 141C-B225
141C-B405

Connection Modules

Description
Connection module · 3-pole · Spring terminals · 16 mm2, #14...6 AWG wire size

Rated Thermal Current [A]

Width [mm (in.)] Pkg. Qty.

IEC

UL

Cat. No.

63

48

22.5 (0.89)

1

141C-VN16

Connection module · 3-pole · Box terminals · 50 mm2, #10...1 AWG wire size

125

100

45 (1.77)

1

141C-VN50

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Rockwell Automation Publication 141-TD001A-EN-P - April 2021

Adapters, 3 Poles Adapters, 1 Pole

141C Crossboard® Mounting System Product Selection

Description

Rated Thermal Current [A]

Width [mm (in.)]

IEC

UL

Pkg. Qty.

Cat. No.

3-Pole Adapter

· without electrical connection

--

--

45 (1.77)

1

· 1 adjustable mounting rail

141C-45R

3-Pole Adapter · 1 adjustable mounting rail

16

12

1

141C-45R16

25

25

1

141C-45R25

32

30

1

141C-45R32

45 (1.77)

45

45

1

141C-45R45

Description

Connection

Rated Thermal Current [A] Width

IEC

UL

[mm (in.)]

Pkg. Qty.

Cat. No.

1-Pole Adapter · without electrical connection · 1 adjustable mounting rail

--

--

18 (0.71)

6

141C-18S

· L1 · Top busbar

16

1-Pole Adapter · #14 AWG wires

· L2 · Middle busbar

16

· 1 fixed mounting rail

· White indicator shows

which pole is active

· L3 · Bottom busbar

16

· L1 · Top busbar

63

1-Pole Adapter · #8 AWG wires

· L2 · Middle busbar

63

· 1 fixed mounting rail

· White indicator shows

which pole is active

· L3 · Bottom busbar

63

16

18 (0.71)

6

141C-18S16L1

16

18 (0.71)

6

141C-18S16L2

16

18 (0.71)

6

141C-18S16L3

63

18 (0.71)

6

141C-18S63L1

63

18 (0.71)

6

141C-18S63L2

63

18 (0.71)

6

141C-18S63L3

Rockwell Automation Publication 141-TD001A-EN-P - April 2021

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141C Crossboard® Mounting System Accessories
Accessories
Description
Adapter Extension Module · For 45 mm adapters

Rated Thermal Current [A]

Width [mm (in.)]

IEC

UL

Pkg. Qty.

Cat. No.

--

--

45 (1.77)

8

141C-X40

Fuse Holder

· For 10 x 38 and Class CC fuses · 3-pole

16

12.5

22.5 (0.89)

1

· 1 fixed mounting rail

Breaker Adapter

· For 140G-G Molded Case Circuit

Breaker (MCCB)

160

100

90 (3.54)

1

· Universal Terminals for Top or

Bottom Mount

141C-23S16F 141C-GGU

Breaker Adapter

· For 140G-H MCCB · Universal Terminals for Top or

160

100

90 (3.54)

1

Bottom Mount

141C-GHU

Fused Switch Disconnector

125

49.5 (1.95)

1

141C-NFD125

6

Rockwell Automation Publication 141-TD001A-EN-P - April 2021

Specifications

141C Crossboard® Mounting System Specifications

Table 1 - Short-circuit Current Rating (SCCR)

Cat. No.
141C-B225
141C-B405
141C-VN16
141C-VN50
141C-18S16L1 141C-18S16L2 141C-18S16L3 141C-18S63L1 141C-18S63L2 141C-18S63L3 141C-45R16
141C-45R25 141C-45R32 141C-45R45 141C-GGU 141C-GHU

Description

Rating

Busbar base, 225 mm (8.86 in.) 600V/100 A

Busbar base, 405 mm (15.94 in.) 600V/100 A Connection module, 22.5 mm (0.89 in.) 600V/48 A Connection module, 45 mm (1.77 in.) 600V/100 A

Busbar adapter, 1-pole, 18 mm (0.71 in.) 600V/16 A
Busbar adapter, 1-pole, 18 mm (0.71 in.) 600V/63 A Busbar adapter, 3-pole, 45 mm (1.77 in.) 600V/12 A Busbar adapter, 3-pole, 45 mm (1.77 in.) 600V/25 A Busbar adapter, 3-pole, 45 mm (1.77 in.) 600V/30 A Busbar adapter, 3-pole, 45 mm (1.77 in.) 600V/45 A Busbar adapter, 3-pole, 90 mm (3.54 in.) 600V/125 A

SCCR [kA]
10 kA 100 kA 65 kA 100 kA 10 kA 100 kA 65 kA 100 kA 6 kA 50 kA 10 kA 100 kA 65 kA 100 kA 6 kA 50 kA 14 kA 65 kA 6 kA 10 kA 65 kA 5 kA 50 kA 65 kA 5 kA 65 kA 5 kA 65 kA 6 kA 65 kA 10 kA 100 kA 42 kA

Voltage 600V 480V 600V 600V 600V 480V 600V 600V 600V 600V 600V 480V 600V 600V 600V 600V 480/277V 480/277V 600V 480/277V 480/277V 600V 600V 480V 600V 480V 600V 480V 600V 480V 600V 480V 600V

Protection

Current

Type

--

None (3-cycle)

125 A

Circuit breaker (DIVQ)

125 A

Circuit breaker (DIVQ)

175 A

Fuse (Class J)

--

None (3-cycle)

125 A

Circuit breaker (DIVQ)

125 A

Circuit breaker (DIVQ)

175 A

Fuse (Class J)

--

None (3-cycle)

50 A

Fuse (Class J)

--

None (3-cycle)

125 A

Circuit breaker (DIVQ)

125 A

Circuit breaker (DIVQ)

175 A

Fuse (Class J)

--

None (3-cycle)

20 A

Fuse (Class CC)

20 A

Circuit breaker (DIVQ)

16 A

NKJH type E

--

None (3-cycle)

30 A

Circuit breaker (DIVQ)

65 A

NKJH type E

--

None (3-cycle)

20 A

Fuse (Class CC)

12 A

NKJH type E

--

None (3-cycle)

32 A

NKJH type E

--

None (3-cycle)

32 A

NKJH type E

--

None (3-cycle)

55 A

NKJH type E

--

None (3-cycle)

125 A

Circuit breaker (DIVQ)

125 A

Circuit breaker (DIVQ)

Rockwell Automation Publication 141-TD001A-EN-P - April 2021

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141C Crossboard® Mounting System Specifications

General Data

Table 2 - Main Circuits

Attribute

Value

Rated insulation voltage Ui

IEC, EN UL, CSA

[V]

690

[V]

600

Rated impulse withstand voltage Uimp

[kV]

6

Rated frequency

[Hz]

50...60

Pollution degree

2

Adapters and busbars

IP00

Protection class

Adapters and busbars mounted on

plate, connected conductors, and

IP20

usage of busbar covers

Standards Compliance

· IEC/EN 61439-1:2011 · UL 508 · CSA C22.2, No 14 · EN 60947-1 + A1:2007 · EN 60947-1 + A2:2011 · EN 60947-3 + A1:2008 · EN 60947-3 + A2:2012

Certifications

CE, cULus Listed

Table 3 - Adapter Data

3-Pole Adapters

1-Pole Adapters

141C-45R16 141C-45R25 141C-45R32 141C-45R45 141C-18S16... 141C-18S63...

Rated current at 60 °C Ith(1)

[A] 16

25

32

45

16

63

Flexible with ferrule [mm2] 2.5

4

6

10

2.5

10

[AWG] 14

12

10

8

14

8

Insulation rating of conductors

105 °C (221 °F)

105 °C (221 °F)

(1) The admissible load of a complete system depends on the system topography and the application parameters. Factors of influence are ambient temperature, air circulation, busbar load, distribution of busbar load, mix of adapters and switchgear components.

Table 4 - Weights
Cat. No. 141C-VN16 141C-VN20 141C-B225 141C-B405 141C-18S16L1 141C-18S16L2 141C-18S16L3 141C-18S63L1 141C-18S63L2 141C-18S63L3

Weight [g] 182 272 765 1326 51 51 51 72 72 72

Cat. No. 141C-18S 141C-45R 141C-45R16 141C-45R25 141C-45R32 141C-GGU 141C-GHU 141C-45R45 141C-X40 141C-NFD125 141C-23S16F

Weight [g] 44 89 109 117 124 519 519 150 18 422 92

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Rockwell Automation Publication 141-TD001A-EN-P - April 2021

141C Crossboard® Mounting System Approximate Dimensions

Approximate Dimensions

Dimensions are in millimeters (inches.) and are not intended to be used for manufacturing purposes.

Figure 1 - Cat. No. 141C-B225 Busbar System Base

22.5 (0.89)

90.0 (3.54)

225 (8.86)

90.0 (3.54)

45.1 (1.78) 30.9 (1.22)

38.5 (1.52)
160.0 (6.3)
83 (3.27)

80 (3.15)

Figure 2 - Cat. No. 141C-B405 Busbar System Base

38.5 (1.52)

67.5 (2.66)

90.0 (3.54)

405 (15.94) 90.0 (3.54)

83 (3.27)

160.0 (6.3)

90.0 (3.54)

45.1 (1.78) 30.9 (1.22)
80 (3.15)

Rockwell Automation Publication 141-TD001A-EN-P - April 2021

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141C Crossboard® Mounting System Approximate Dimensions

Figure 3 - Cat. No. 141C-VN16 Connection Module with Spring Terminals

22.1 (0.87)

110.0 (4.33) 99.0 (3.9)

20.0 (0.79)

160.0 (6.3)

60.0 (2.36)

60.0 (2.36)

Figure 4 - Cat. No. 141C-VN50 Connection Module with Box Terminals

45.0 (1.77)

92.5 (3.64) 81.5 (3.21)

20.0 (0.79)

160.0 (6.3)

60.0 (2.36)

60.0 (2.36)

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Rockwell Automation Publication 141-TD001A-EN-P - April 2021

Figure 5 - Cat. No. 141C-45R 3-Pole Adapter
55 (2.17)
160.0 (6.3)

20.0 (0.79)
60.0 (2.36)
60.0 (2.36)

141C Crossboard® Mounting System Approximate Dimensions
Figure 7 - Cat. No. 141C-R25, -R32, and -R45 3-Pole Adapters
10.0 (0.39)
100.0 (3.94)

160.0 (6.3)

55 (2.17)

20.0 (0.79)
60.0 (2.36)
60.0 (2.36)

45.0 (1.77)

24.5 (0.96)

Figure 6 - Cat. No. 141C-45R16 3-Pole Adapter
10.0 (0.39)

45.0 (1.77)

24.5 (0.96)

160.0 (6.3)

120.0 (4.72)
55 (2.17)

20.0 (0.79)
60.0 (2.36)
60.0 (2.36)

45.0 (1.77)

24.5 (0.96)

Rockwell Automation Publication 141-TD001A-EN-P - April 2021

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141C Crossboard® Mounting System Approximate Dimensions
Figure 8 - Cat. No. 141C-X40 Adapter Extension Module

46.0 (1.81)
39.8 (1.57)
45.1 (1.78)
Figure 9 - Cat. No. 141C-23S16F Fuse Holder
160.0 (6.3)

24.5 (0.96)
22.5 (0.89)
62.5 (2.46)

20.0 (0.79)
60.0 (2.36)

60.0 (2.36)

22.3 (0.88)

130.9 (5.15)

75.0 (2.95)

12

Rockwell Automation Publication 141-TD001A-EN-P - April 2021

Figure 10 - Cat. No. 141C-GGU Breaker Adapter

181.9 (7.16)
160.0 (6.3)
114.5 (4.51)

15.0 (0.59)

26.2 (1.03)
22.6 (0.89)

141C Crossboard® Mounting System Approximate Dimensions
20.0 (0.79) 60.0 (2.36)
60.0 (2.36)

25.0 (0.98) 90.0 (3.54)
Figure 11 - Cat. No. 141C-GHU Breaker Adapter

35.0 (1.38)

181.9 (7.16)
160.0 (6.3)
114.5 (4.51)

15.0 (0.59)

26.2 (1.03)
22.6 (0.89)

20.0 (0.79)
60.0 (2.36)

60.0 (2.36)

30.0 (1.18) 90.0 (3.54)

35.0 (1.38)

Rockwell Automation Publication 141-TD001A-EN-P - April 2021

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141C Crossboard® Mounting System Approximate Dimensions

Figure 12 - Cat. No. 141C-18S 1-Pole Adapter

55 (2.17)

20.0 (0.79)

60.0 (2.36)

160.0 (6.3)

60.0 (2.36)

18.0 (0.71)

25.0 (0.98)

Figure 13 - Cat. No. 141C-181S6L1 1-Pole Adapter

10.0 (0.39)

60.0 (2.36)

160.0 (6.3)

55 (2.17)

20.0 (0.79)
60.0 (2.36)
60.0 (2.36)

18.0 (0.71)

25.0 (0.98)

Figure 14 - Cat. No. 141C-18S16L2 1-Pole Adapter
10.0 (0.39)
100.0 (3.94)

160.0 (6.3)

55 (2.17)

20.0 (0.79)
60.0 (2.36)
60.0 (2.36)

18.0 (0.71)

25.0 (0.98)

Figure 15 - Cat. No. 141C-18S16L3 1-Pole Adapter
10.0 (0.39)

100.0 (3.94)

160.0 (6.3)

55 (2.17)

20.0 (0.79)
60.0 (2.36)

60.0 (2.36)

18.0 (0.71)

25.0 (0.98)

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Rockwell Automation Publication 141-TD001A-EN-P - April 2021

Figure 16 - Cat. No. 141C-18S63L1, -L2, and -L3 1-Pole Adapters
10.0 (0.39)
100.0 (3.94)

160.0 (6.3)

55 (2.17)

20.0 (0.79)
60.0 (2.36)
60.0 (2.36)

18.0 (0.71)

25.0 (0.98)

Figure 17 - Cat. No. NFD125 Fuse Switch Disconnector

49.5 (1.95)

95.8 (3.77) 85.0 (3.35)

20.0 (0.79)

174.5 (6.87)

60.0 (2.36)

60.0 (2.36)

141C Crossboard® Mounting System Approximate Dimensions

16.6 16.6 (0.65) (0.65)

18.0 (0.71)

Rockwell Automation Publication 141-TD001A-EN-P - April 2021

15

141C Crossboard® Mounting System Approximate Dimensions
Notes:

16

Rockwell Automation Publication 141-TD001A-EN-P - April 2021

141A Classic Mounting System
Catalog Number Explanation
Examples that are given in this section are not intended to be used for product selection. Not all combinations produce a valid catalog number.

Busbar Adapters

141A ­ C

S

45

R

R

16

a

b

c

d

e

f

g

a

Bulletin Number

Code

Description

141A Classic Mounting System

b

Type

Code

Description

G

Standard busbar adapter

F Standard busbar adapter with terminals

C

Compact busbar adapter

c

Length

Code

Description

S Short: 200 mm (7.87 in.)

M Medium: 260 mm (10.2 in.)

L Long: 320 mm (12.6 in.)

d

Width

Code

Description

45

45 mm (1.77 in.)

54

54 mm (2.13 in.)

63

63 mm (2.48 in.)

72

72 mm (2.83 in.)

81

81 mm (3.19 in.)

90

90 mm (3.54 in.)

108

108 mm (4.25 in.)

110

110 mm (4.33 in.)

180

180 mm (7.09 in.)

270 270 mm (10.63 in.)

e

Top Hat Rail

Code

Description

R

Plastic hat rail

S

Plastic hat rail

M

Metal hat rail

V

Screw mounting, variable positions

f

Bottom Hat Rail

Code

Description

R Rockwell Automation custom plastic rail

S

Standard plastic rail

Blank

No bottom rail

g

Current Rating

Code

Description

Blank 0 A (no electrical connection)

16

16 A

25

32 A

45

63 A

125

125 A

200

200 A

250

250 A

Rockwell Automation Publication 141-TD001A-EN-P - April 2021

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141A Classic Mounting System Catalog Number Explanation

Iso (Isolation) Busbar Adapters

141A ­ S

M

45

R

S

25

a

b

c

d

e

f

g

a

Bulletin Number

Code

Description

141A Classic Mounting System

b

Type

Code

Description

S

Iso busbar adapter

c

Length

Code

Description

Code

S Short: 200 mm (7.87 in.)

45

M Medium: 260 mm (10.2 in.)

54

63

e

Top Hat Rail

Code

Description

R

Plastic hat rail

S

Plastic hat rail

f

Bottom Hat Rail

Code

Description

R

Plastic hat rail

S

Plastic hat rail

g

Current Rating

Code

Description

Blank

0 A (no electrical connection)

25

Width "c" 45 mm (1.77 in.) = 25 A Width "c" 54 mm (2.13 in.) = 32 A

45

45 A

d Width
Description 45 mm (1.77 in.) 54 mm (2.13 in.) 63 mm (2.48 in.)

Busbar Adapters for Bulletin 140G Molded Case Circuit Breakers, 140MG Motor Protection Circuit Breakers, and 140MG Motor Circuit Protectors

141A ­ G

H

T

a

b

c

d

a

Bulletin Number

Code

Description

141A Classic Mounting System

b

Type

Code

Description

G

Busbar adapters for Bulletin 140G and MG devices

c

Length

Code

Description

H Frame size G, Frame size H

J

Frame size J

K

Frame size K

M

Frame size M

d

Width

Code

Description

T

Top Connection

B

Bottom Connection

U

Universal Connection

Panel Mounting Modules

141A ­ W

M

45

R

R

a

b

c

d

e

f

a

b

Bulletin Number

Type

Code Description Code Description

141A

Classic Mounting System

W

Panel mounting module

c

Length

Code

Description

S Short: 200 mm (7.87 in.)

M Medium: 260 mm (10.2 in.)

L Long: 320 mm (12.6 in.)

d Width Code Description 45 45 mm (1.77 in.) 54 54 mm (2.13 in.)

e Top Hat Rail Code Description R Plastic hat rail

f Bottom Hat Rail Code Description R Plastic hat rail

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Rockwell Automation Publication 141-TD001A-EN-P - April 2021

Product Selection

141A Classic Mounting System Product Selection

Iso Busbar Adapters · Two-part construction - Device Adapter Plate (DAP) (carrying the starter) snaps onto the base adapter - Base adapter remains on busbar when exchanging starters, providing isolation from live parts · Test position with load circuit isolated · Optional control plug makes the starter fully pluggable · Adapters with assigned current ratings supply the load current to the starter/load feeder by means of wire connections · Multiple adapters can be combined to bigger platforms by use of the connection clips · Fits on 5 mm (0.19 in.) or 10 mm (0.39 in.) thick busbars · Meets UL 508A feeder circuit spacing requirements

Description
Iso Busbar Adapters with Wires - Short Length · Wires on Device Adapter Plates for electrical
connection
Iso Busbar Adapters without Wires - Short Length · Two connection clips included (1)

Rated Thermal Width Length Current Ith [A] [mm (in.)] [mm (in.)]

Rails

25

45 (1.77)

32

54 (2.13)

200 (7.87)

2

45

54 (2.13)

45

63 (2.48)

45 (1.77)

Without

electrical

200 (7.87)

1

connections 54 (2.13)

Pkg. Qty. 1

Cat. No.
141A-SS45RR25 141A-SS54RR25 141A-SS54RR45 141A-SS63RR45
141A-SS45R

1 141A-SS54R

Iso Busbar Adapters with Wires - Medium Length
· Wires on Device Adapter Plates for electrical connection

25

45 (1.77)

32

54 (2.13)

260

2

45

54 (2.13)

45

63 (2.48)

45 (1.77)

54 (2.13)

Iso Busbar Adapters without Wires - Medium Length

Without

· Two connection clips included (1)

electrical

260

1

connections 63 (2.48)

141A-SM45RS25 141A-SM54RS25 1 141A-SM54RS45 141A-SM63RS45
141A-SM45S 141A-SM54S
1 141A-SM63S

(1) Iso Busbar Adapters without electrical connections include two connection clips. They are intended to form bigger platforms, for example: reversing starters, starters with Smart Motor Controllers or PowerFlex® drives.

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141A Classic Mounting System Product Selection

Standard Busbar Adapters · Adapters plug directly onto the busbar · Suitable for use with control plug · Adapters with assigned current ratings supply the load current to the starter/load feeder by means of wire connections · Multiple adapters can be combined to bigger platforms by use of the connection clips · Fits on 5 mm (0.19 in.) or 10 mm (0.39 in.) thick busbars · Meets UL 508A feeder circuit spacing requirements

Description

Rated Thermal Width Length Current Ith [A] [mm (in.)] [mm (in.)]

Rails

Pkg. Qty.

45 (1.77) 16
54 (2.13)

45 (1.77)

Standard Busbar Adapters with Wires - Short Length · Wires for electrical connection

32

54 (2.13) 200 (7.87) 2

54 (2.13)

63

63 (2.48)

81 (3.19)

Standard Busbar Adapters with Flexible Busbar

180 (7.09)

1

Connectors - Short Length · Metal Hat Rail

125 (160(1))

200 (7.87) 270 (10.63)

1

· For starters with 140MG-G/-H circuit protectors

45 (1.77)

Standard Busbar Adapters without Wires -- Short Length
· Two connection clips included (2)

Without electrical 54 (2.13) connections 72 (2.83)

200 (7.87)

1

81 (3.19)

Standard Busbar Adapters with Wires -- Medium Length
· Wires for electrical connection

45 (1.77) 32
54 (2.13) 260 (10.23) 2
54 (2.13) 63
63 (2.48)

45 (1.77)

1

Standard Busbar Adapters without Wires -- Medium Length
· Two connection clips included (2)

Without electrical connections

54 (2.13) 63 (2.48)

260 (10.23)

1

Cat. No.
141A-GS45RR16 141A-GS54RR16 141A-GS45RR25 141A-GS54RR25 141A-GS54RR45 141A-GS63RR45 141A-GS81SS63 141A-GS180M125
141A-GS270M125
141A-GS45R 141A-GS54R 141A-GS72S 141A-GS81S 141A-GM45RS25 141A-GM54RS25 141A-GM54RS45 141A-GM63RS45 141A-GM45S 141A-GM54S
141A-GM63S

(1) IEC Rating = 160 A (2) Standard Busbar Adapters without electrical connections include two connection clips. They are intended to form bigger platforms; for example: for reversing starters, starters with Smart
Motor Controllers or PowerFlex drives.

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141A Classic Mounting System Product Selection

Standard Busbar Adapters with Terminals · Adapters plug directly onto the busbar · Adapters  81 mm (3.19 in.) wide can be combined to bigger platforms by use of the connection clips · Fits on 5 mm (0.19 in.) or 10 mm (0.39 in.) thick busbars · Meets UL 508A feeder circuit spacing requirements

Description

Rated Thermal Width Length Current Ith [A] [mm (in.)] [mm (in.)]

Rails

25(1)

45 (1.77)

Standard Busbar Adapters with Terminals · Short Length · With terminals for electrical connection

54 (2.13)

80(2)

63 (2.48) 200 (7.87) 1 72 (2.83)

81 (3.19)

25(1)

45 (1.77)

Standard Busbar Adapters with Terminals · Medium Length · With terminals for electrical connection

54 (2.13)

63 (2.48) 260 (10.23) 2

80(2)

72 (2.83)

81 (3.19)

Standard Busbar Adapter with Terminals on Top

· With box terminals on top for electrical connection · Wire size: 70 mm2 (2/0 AWG)

200

108 (4.25) 222 (8.74)

· Universal mounting capability with sliding pocket nuts (M4)

-- Standard Busbar Adapter with Terminals on Top

· With box terminals on top for electrical connection · Wire size: 120 mm2 (250 MCM)

250

110 (4.33) 320 (12.6)

· Universal mounting capability with sliding pocket nuts (M4)

(1) Terminal size: 6 mm2 (10 AWG). Requires a Cat. No. 141A-FTS25 spacing adapter for UL 508A applications. (2) Terminal size: 16 mm2 (6 AWG). Requires a Cat. No. 141A-FTS63 spacing adapter for UL 508A applications.

Pkg. Qty. 1

Cat. No.
141A-FS45S25 141A-FS54S63 141A-FS63S63 141A-FS72S63 141A-FS81S63 141A-FM45SS25 141A-FM54SS63 141A-FM63SS63 141A-FM72SS63 141A-FM81SS63

141A-FS108V200T 1
141A-FL110V250T

Busbar Adapters for Circuit Breakers

Description
Standard Busbar Adapters with Flexible Connecting Bars for Electrical Connection · Meets UL 508A feeder circuit spacing
requirements ­ Terminal lugs for circuit breaker 140G-_-TL*
required, sold separately
Standard Busbar Adapters with Flexible Connecting Bars for Electrical Connection · Meets UL 508A feeder circuit spacing
requirements ­ Terminal lugs for circuit breaker 140G-_-TL*
required, sold separately
Standard Busbar Adapters with Rear Connecting Studs for Electrical Connection · Meets UL 508A feeder circuit spacing
requirements
(1) IEC rating = 160 A

For Use With
140G G-Frame 140MG G-Frame 140G H-Frame 140MG H-Frame (Top Connection)
140G G-Frame 140G H-Frame (Bottom Connection)
140G J-Frame 140MG J-Frame (Top Connection)
140G J-Frame 140MG J-Frame (Bottom Connection)
140G K-Frame 140MG K-Frame (Top or Bottom
Connection)
140G M-Frame 140MG M-Frame (Top or Bottom
Connection)

Rated Thermal Current Ith [A]

Width [mm]

125 (160(1))

90 (3.54)

125 (160(1))

90 (3.54)

250

105 (4.13)

250

105 (4.13)

400

140 (5.51)

600

238 (9.37)

Pkg. Qty. 1

Cat. No. 141A-GHT
141A-GHB 141A-GJT 141A-GJB 141A-GKU 141A-GMU

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141A Classic Mounting System Product Selection

Accessories for Standard and Iso Busbar Adapters
Description
Top Hat Rails · 35 mm (1.38 in.) · Slides onto busbar adapters, fixation with 1 or 2 screws (included)
Control Plug · Pull-apart terminal block allows fast and simple disconnection of control
wiring. · Control Plug Holder included.

Width [mm (in.)] 45 (1.77) 54 (2.13) 63 (2.48) 72 (2.83) 81 (3.19) 8 Pole 10 Pole
12 Pole

Pkg. Qty.
10
1 1 1

Control Plug Holder · Suitable for use with 8-, 10-, or 12-pole control plugs.

Cat. No. 141A-AHR45 141A-AHR54 141A-AHR63 141A-AHS72 141A-AHS81 141A-APC8 141A-APC10 141A-APC12
141A-APH

Spacer module for Standard or ISO busbar adapters

· For 9 mm (0.35 in.) spacing of busbar adapters.

· Use included connection clips (Cat. No. 141A-AK) for attaching the spacer

9 (0.35)

10

module to the busbar adapters.

· 200 mm (7.87 in.) long

Connection Clip

· For joining multiple busbar adapters and spacer modules (as spare parts only, typical required

50

quantity included with the adapters)

Micro Switch

· 1 N.C. Contact · For Iso busbar adapters only. Automatically drops out the contactor when the DAP (Device Adapter

10

Plate) (carrying the starter) is unplugged from the base of the Iso busbar adapter.

Terminal Shroud

· Required for UL 508A applications

4

· For use with 25 A standard busbar adapters with terminals (Cat. No. 141A-FS...25, 141A-FM...25)

· For use with 63 A standard busbar adapters with terminals (Cat. No. 141A-FS...63, 141A-FM...63)

4

141A-AS9B 141A-AK 141A-AS 141A-FTS25 141A-FTS63

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Rockwell Automation Publication 141-TD001A-EN-P - April 2021

UL Fuse Bases and Fuse Holders
Description Fuse base, 3-pole, Class CC · For UL Class CC fuses · 27 mm (1.06 in.) wide · Withstand rating: 200 kA (600V) · With spring terminals · Meets UL 508A feeder circuit spacing requirements Fuse base, 3-pole, Class CC with light-emitting diode (LED) · For UL Class CC fuses · 27 mm (1.06 in.) wide · Withstand rating: 200 kA (600V) · With spring terminals · Meets UL 508A feeder circuit spacing requirements
Class J Busbar Fuse Holder · Top or bottom connection · For UL Class J fuses · No tools required to change fuses · Meets UL 508A feeder circuit spacing requirements
Class J Busbar Fuse Base · For mounting on 10 mm (0.39 in.) wide and double-T busbars · Top or bottom connection · For UL Class J fuses · Meets UL 508A feeder circuit spacing requirements

141A Classic Mounting System Product Selection

Max Voltage

Rating Pkg. Qty.

Cat. No.

600V

30 A

1

141A-NFHCC30

600V

30 A

1

141A-NFHCC30L

30 A

1

60 A

1

100 A

1

200 A

1

141A-NFJ30C 141A-NFJ60C 141A-NFJ100C
141A-NFJ200C

400 A

1

141A-NFJ400

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141A Classic Mounting System Product Selection

Fused and Non-fused IEC Switch Disconnectors
Description
Busbar Fuse Switch · 3-pole switch disconnector with fuses

Size
· For D02 fuse links for D01 fuses, use reducer

Terminals 400V AC

Rating Pkg. Qty.

63 A (1)

1

Cat. No. 141A-NF0102

For 10 x 38 NFC cylindrical fuses

690V AC

32 A

1

141A-NF1038

NH Fuse Switch Disconnector · Connection bottom or top · Size 00 for plugging on 5 mm (0.19 in.) or 10 mm
(0.39 in.) thick and double-T busbars.

Size 00, 200 x 106 mm (7.87 x 4.17 in.)

Box terminals 70 mm2

160 A

1

Size 1, 243 x 184 mm (9.57 x 7.24 in.)

M10 120 mm2

250 A

1

· Sizes 1 and 2 conversion kit 141A-NFAFR5 is required for plugging on 5 mm (0.19 in.) thick busbars.
· Size 3 only for plugging on 10 mm (0.39 in.) and double-T busbars.

Size 2, 288 x 210 mm (11.34 x 8.27 in.)
Size 3, 300 x 256 mm (11.81 x 10.08 in.)

M10 240 mm2
M12 240 mm2

400 A

1

630 A

1

141A-NFD160 141A-NFD250 141A-NFD400 141A-NFD630

Switch Disconnector with NH Fuses · 3-pole, bottom connections

Size 00, 200 x 106 mm (7.87 x 4.17 in.)

Box terminals 70 mm2

125 A

1

141A-NFD125SB

· Multi-function handle

· Lockable in OFF position with 3 padlocks

· FLAG indicator shows the switch status

· Fuse can be changed without tools
· Applicable as main isolator according to IEC/EN 60204-1 (main switch)

Size 1, 286 x 184 mm (11.26 x 7.24 in.)

M10 120 mm2

250 A

1

141A-NFD250SB

· Main switch only for utilization categories AC-23A/B

(500V/125 A), AC-23B (690V/125 A)

Non-Fused Switch Disconnector for External Rotary Operating Handle

Size 00, 200 x 106 mm (7.87 x 4.17 in.)

Box terminals 70 mm2

160 A

1

· 3-pole, bottom connections

· FLAG indicator shows the switch status

· Applicable as main isolator as per IEC/EN 60204-1

(main switch)

· Can also be used as an Emergency Off switch in combination with the door coupling twist handle
· Main switch and Emergency Off switch only for

Size 1, 286 x 184 mm (11.26 x 7.24 in.)

M10 120 mm2

320 A

1

utilization categories AC-23A/B (500V/125 A) AC-23B

(690V/125 A) (additional extension shaft and door

handle required)

141A-N160SB 141A-N320SB

(1) The use of spacer module 141A-NFAD is recommended for a continuous load above 35 A.

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Rockwell Automation Publication 141-TD001A-EN-P - April 2021

Accessories for Fused Devices

Description

Pilot Switch · For use with Cat. No. 141A-NFD* NH-fuse switch disconnectors · Signaling ON/OFF position of lid · 250V AC/5 A; 30V DC/4 A

Reducer · D02 reducer for D01 fuses · For use with 141A-NF0102

Spacer Module · Connectable on both sides · 9 mm (0.35 in.) wide · For use with 141A-NF*

141A Classic Mounting System Product Selection

Pkg. Qty. Size 1 (Series B) 1
Size 00, Size 2...3 1

Cat. No. 141A-NFASNC1
141A-NFASNFD

20

141A-NFAR

141A-NFAD

Conversion Kit

· For NH-fuse switch disconnector to reduce size 1 and 2 on to 5 mm (0.19 in.) Size 1 and 2

1

busbars

Rotary Operating Handle · For use with Cat. No. 141A-N160SB or 141A-N320SB non-fused switch
disconnector · IP66

Black

1

Red/Yellow

1

Operating Shaft

290 mm (11.42 in.) 1

· For use with Cat. No. 141A-NDN66 or 141A-NDRY66 rotary operating handle 490 mm (19.29 in.) 1

Pilot Switch · For use with Cat. No. 141A-N*SB fused and non-fused switch disconnectors · 250V AC/5 A; 30V DC/4 A

Size 00, 1 160/320 A

1

141A-NFAFR5
141A-NDN66 141A-NDRY66
141A-ND1 141A-ND2
141A-NFASNC0

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141A Classic Mounting System Product Selection

Busbars

L W

Height x Width Current [mm (in.)] Rating [A](1)

12 x 5 (0.47 x 0.19)

200

15 x 5 (0.59 x 0.19)

250

20 x 5 (0.79 x 0.19)

320

25 x 5 (0.98 x 0.19)

400

30 x 5 (1.18 x 0.19)

450

12 x 10 (0.47 x 0.38)

360

20 x 10 (0.79 x 0.38)

520

30 x 10 (1.18 x 0.38)

630

Length = 800 mm (31.5 in.) Length = 1200 mm (47.24 in.) Length = 2400 mm (94.5 in.)

UL Current

Rating [A] Pkg. Qty.

Cat. No.

Pkg. Qty.

Cat. No.

Pkg. Qty.

Cat. No.

150

141A-B125A

141A-B125C

141A-B125N

--

141A-B155A

141A-B155C

141A-B155N

362

141A-B205A

141A-B205C

12

141A-B205N

--

141A-B255A

141A-B255C

3

3

500

141A-B305A

141A-B305C

141A-B255N 141A-B305N

300

141A-B1210A

141A-B1210C

141A-B1210N

564

141A-B2010A

141A-B2010C

6

141A-B2010N

756

141A-B3010A

141A-B3010C

141A-B3010N

H

(1) Ratings shown are based on tested conditions at an ambient temperature of 35 °C (95 °F) and a busbar temperature of 65 °C (149 °F).

TT Busbars
Height x Width [mm (in.)]
L

30 (1.18)

40 (1.57)

Size
TT 500 mm2

Current Rating [A](1)

Length = 2400 mm (94.5 in.)

UL Current Rating

[A]

Pkg. Qty.

Cat. No.

920

1200

1

141A-BT11NZ

L

30 (1.18)

TT 720 mm2

1175

1400

40 (1.57) (1) Ratings shown are based on tested conditions at an ambient temperature of 35 °C (95 °F) and a busbar temperature of 65 °C (149 °F).

1

141A-BT12NZ

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141A Classic Mounting System Product Selection

Busbar Supports · 60 mm (2.36 in.) pole spacing

Busbar Support

Description
· 3-pole with inside mounting holes · Meets UL 508A feeder circuit spacing requirements(1)
· 1-pole · Meets UL 508A feeder circuit spacing requirements · includes PE and N labels
· 3-pole with inside mounting holes · for applications according to IEC 61439-1 · approved for branch circuit applications per UL508
· 4-pole with inside mounting holes · for applications according to IEC 61439-1 · approved for branch circuit applications per UL508

Busbar Size
12, 20, 30 x 5 mm (0.47, 0.79, 1.18 x 0.19 in.) or
12, 20, 30 x 10 mm (0.47, 0.79, 1.18 x 0.38 in.)
12...30 x 5 mm (0.47...1.18 x 0.19 in.) or
12...30 x 10 mm (0.47...1.18 x 0.38 in.)

Pkg. Qty. 10 1
10

Busbar Support with terminals · 3-pole, with terminals for electrical connections · 1.5...16 mm2 (#16...6 AWG)

12...30 x 5 mm (0.47...1.18 x 0.19

in.)

or

10

12...30 x 10 mm (0.47...1.18 x 0.38

in.)

Cat. No. 141A-TU3 141A-TR1 141A-TR3 141A-TR4
141A-TR3F16

Double-T Busbar Support · 60 mm (2.36 in.) spacing · Meets UL 508A feeder circuit spacing requirements(1)

3-pole

Busbar End Cover · Prevents contact with the busbar ends and prevents busbars from sliding · The end cover can easily be clipped on the busbar support
(1) To meet UL 508A spacing requirements, this product also requires support spacers or a rear panel shroud.

141A-TU3 or 141A-TR3 141A-TR4 141A-T13

3

141A-T13

141A-TR3E 10
141A-TR4E

4

141A-T13E

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141A Classic Mounting System Product Selection

3-Pole Supply Modules

For Round conductors For Flat Conductors Set of 3 terminals

Description

Busbar Size

· 6...50 mm2 (10...2/0 AWG) · Flat laminated Cu conductors 7 x 4...9 x 6 mm
(0.28 x 0.16...0.35 x 0.24 in.) · 54 mm (2.13 in.) wide · Meets UL 508A feeder circuit spacing requirements
· Round conductors 16...120 mm2 (6 AWG...250 MCM) · Flat laminated Cu conductors 12 x 4 - 15.5 x 10 mm
(0.47 x 0.16...0.61 x 0.38 in.) · 81 mm (3.19 in.) wide · Meets UL 508A feeder circuit spacing requirements

12...30 x 5 mm (0.47...1.18 x 0.19 in.)
or 12...30 x 10 mm (0.47...1.18 x 0.38 in.)
or TT

· 95...185 mm2 (3/0 AWG...350 MCM) · 135 mm (5.31 in.) wide

12...30 x 5 mm (0.47...1.18 x 0.19 in.)
or 12...30 x 10 mm (0.47...1.18 x 0.38 in.)
or TT

· 95...300 mm2 (3/0 AWG...600 MCM) · 135 mm (5.31 in.) wide · Approved for branch circuit applications per UL508

· Up to 32 x 20 mm (1.26 x 0.79 in.) · Equivalent to 625 mm2 (1250 MCM) round conductor ampacity · 135 mm (5.31 in.) wide

· For round conductors · 95...300 mm2 (3/0 AWG...600 MCM) · 153 mm (6.02 in.) wide (3 single poles of 51 mm (2.01 in.) each) · Meets UL 508A feeder circuit spacing requirements · Requires Cat. No. 141A-BK180 or 141A-BK228 terminal cover

12...30 x 5 mm (0.47...1.18 x 0.19 in.)
or 12...30 x 10 mm (0.47...1.18 x 0.38 in.)
or TT

· For flat conductors up to 32 x 20 mm (1.26 x 0.79 in.) · Equivalent to 625 mm2 (1250 MCM) · 153 mm (6.02 in.) wide (3 single poles of 51 mm (2.01 in.) each) · Meets UL 508A feeder circuit spacing requirements · requires Cat. No. 141A-BK180 or 141A-BK228 terminal cover

Pkg. Qty. 1 1
1 1 1 1
1

Cat. No. 141A-VN370 141A-VN3120
141A-VN3185 141A-VN3300R 141A-VN3300F 141A-VU3300R
141A-VU3300F

Single Terminals for Connecting to Busbars
Description 2.5...16 mm2 (#14...6 AWG)
4...35 mm2 (#12...2 AWG)
16...70 mm2 (#6...2/0 AWG) 16...120 mm2 (#6...250 MCM)

Busbar Size 12...30 x 5 mm (0.47...1.18 x 0.19 in.) 12...30 x 10 mm (0.47...1.18 x 0.38 in.) 12...30 x 5 mm (0.47...1.18 x 0.19 in.) 12...30 x 10 mm (0.47...1.18 x 0.38 in.) 12...30 x 5 mm (0.47...1.18 x 0.19 in.) 12...30 x 10 mm (0.47...1.18 x 0.38 in.) 12...30 x 10 mm (0.47...1.18 x 0.38 in.)

Pkg. Qty. 25

Cat. No. 141A-VS116 141A-VS216 141A-VS135 141A-VS235 141A-VS170 141A-VS270 141A-VS2120

Brace Terminals

Description

· 3-pole
· For connecting flat or flexible copper busbars · Meets UL 508A feeder circuit spacing
requirements

Max Terminal Space (W x H) [mm (in.)] 55 x 28 (2.17 x 1.1)
68 x 28 (2.68 x 1.1)
105 x 28 (4.13 x 1.1)

Busbar Size
30 x 10 mm (1.18 x 0.38 in.) or TT

Pkg. Qty. 1

Cat. No. 141A-VB75528F 141A-VB76828F 141A-VB710528F

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Rockwell Automation Publication 141-TD001A-EN-P - April 2021

Terminal Covers

141A Classic Mounting System Product Selection

Description

Busbar Size

Pkg. Qty.

Terminal Cover

· Finger protection when busbars supplied with single

12...30 x 5 mm (0.47...1.18 x 0.19 in.)

terminals

or

1

· Attaches directly to busbars.

12...30 x 10 mm (0.47...1.18 x 0.38 in.)

· Height: 180 mm (7.09 in.), Width: 54 mm (2.13 in.)

Terminal Cover Kit

Width: 180 mm (7.09 in.)

1

· Finger protection when busbars are supplied by Cat. No.

141A-VU3300_ supply module

· Attaches directly to busbars · Height: 200 mm (7.87 in.)

Width: 228 mm (8.98 in.)

1

· Depth: 90 mm (3.54 in.)

Cat. No. 141A-BK1 141A-BK180 141A-BK228

Left and right supports

Terminal Cover Components · Customized terminal cover width using end supports, front
shroud, and top/bottom shroud · Shrouds can be cut to desired width · Attaches directly to busbars · Cat. Nos. 141A-BKH, -BKC, and -BKS must be installed
together

Front shroud 1100 mm (43.3 in.)

Top/bottom shroud 1100 mm (43.3 in.)

1

141A-BKH

1

141A-BKC

1

141A-BKS

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141A Classic Mounting System Product Selection

Busbar Covers and Shrouds
Description Busbar Shroud Cover · 200 x 1100 mm (7.87 x 43.3 in.), covers all three busbars
Busbar Shroud Holder · Two required per section of Busbar Shroud Cover
Single-pole Busbar Covers · Snap-on profile for single busbars for protection against electric shock.

Busbar Size
12...30 x 5 mm (0.47...1.18 x 0.19 in.)
or 12...30 x 10 mm (0.47...1.18 x 0.38 in.)

Pkg. Qty. 2
10

12...30 x 5 mm (0.47...1.18 x 0.19 in.)

10

12...30 x 10 mm (0.47...1.18 x 0.38 in.)

Cat. No. 141A-BCF1
141A-BCF1H
141A-BS5 141A-BS10

Single-pole Busbar Cover · For double-T busbars · Length: 1 m (39.37 in.); can be cut to length

5

141A-BCT1

Compartment Section · Fits to Cat. No. 141A-T13 double-T busbar supports · Length: 2400 x 48 mm (94.5 x 1.89 in.); can be cut to length

Double-T

1

141A-BST48

Panel Busbar Shroud

· Provides isolation between busbar and panel (required for feeder circuit applications per UL 508A)

All

· For use with Cat. No. 141A-TU3 supports. 240 x 810 mm (9.45 x 31.9 in)

2

141A-BCR

Busbar Support Spacer -- Standard

12, 20, 30 x 5 mm

· Fits under Standard Busbar Supports, Cat. No. 141A-TU3

(0.47, 0.79, 1.18 x 0.19 in.)

· Adds 20 mm (0.79 in.) to the depth of the busbar support

or

10

· Fulfills phase-to-ground spacing requirements for UL508A applications

12, 20, 30 x 10 mm

· Panel Busbar Shroud, Cat. No. 141A-BCR, not required

(0.47, 0.79, 1.18 x 0.38 in.)

141A-TS3

Busbar Accessories

Description
Busbar Connector · System spacing 5...10 mm (0.19...0.38 in.) · 55 mm (2.16 in.) length
Busbar Connector · System spacing 13...20 mm (0.52...0.79 in.) · 40 mm (1.57 in.) length

Double-T Busbar Connectors · System Spacing 100...110 mm (3.94...4.33 in.) · 150 mm (5.91 in.) length

Phase Separator · For UL installation of busbar connectors · 3-pole, including two mounts · For use with busbar connectors · For use with Cat. No. 141A-VC3A, -VC3B, -VC5G

Busbar Size
12...20 x 5 mm (0.47...0.79 x 0.19 in.) or
12...20 x 10 mm (0.47...0.79 x 0.38 in.)
12...30 x 5 mm (0.47...1.18 x 0.19 in.) or
12...30 x 10 mm (0.47...1.18 x 0.38 in.)

Pkg. Qty. 12
6

Double-T Busbars 141A-BT11NZ, 141A-BT12NZ

3

Width: 105 mm (4.13 in.) Width: 145 mm (5.71 in.)
1 Width: 200 mm (7.87 in.)

Cat. No. 141A-VC3A 141A-VC3B
141A-VC5G
141A-PS105 141A-PS145 141A-PS200

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Rockwell Automation Publication 141-TD001A-EN-P - April 2021

141A Classic Mounting System Product Selection

Panel Mounting Modules

Description
· Short Length · 228 mm (8.98 in.) tall · For 2-component starters

· Medium Length · 283 mm (11.14 in.) tall
· For 3-component starters that use Bulletin 193 Mounting Module E1 PlusTM Electronic Overload Relays

Width [mm (in.)] Rails 45 (1.77)
2 54 (2.13)

Pkg. Qty. 1

Cat. No. 141A-WS45RR
141A-WS54RR

45 (1.77)

141A-WM45RR

2 54 (2.13)

1 141A-WM54RR

· Long Length

· 333 mm (13.11 in.) tall · For 3-component starters that use Bulletin 193 E3TM or

54 (2.13)

2

E300TM Electronic Overload Relays

1

141A-WL54RR

Rockwell Automation Publication 141-TD001A-EN-P - April 2021

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141A Classic Mounting System Specifications

Specifications

Figure 18 - Current-carrying Capacity of Copper Busbars

Current Carrying Capacity of Copper Busbars
1600

1500

1400

1300

1200

1100

1000

900

Connuous Current [A]

800

700

600

500

400

300

200

100 30 K
12 x 5 mm (0.47 x 0.19 in.) 12 x 10 mm (0.47 x 0.38 in.)

35 K

40 K

Busbar Temperature Rise T

15 x 5 mm (0.59 x 0.19)

20 x 5 mm (0.79 x 0.19 in.)

20 x 10 mm (0.79 x 0.38 in.)

30 x 10 mm (1.18 x 0.38 in.)

45 K
25 x 5 mm (0.98 x 0.19 in.) TT 500 mm²

50 K
30 x 5 mm (1.18 x 0.19 in.) TT 720 mm²

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Rockwell Automation Publication 141-TD001A-EN-P - April 2021

141A Classic Mounting System Specifications

Wiring

Table 5 - Adapter Data

Rated current at 60 °C Ith(1)

[A]

stranded

[mm2] [AWG]

solid

[mm2]

[AWG]

laminated copper [mm2]

[AWG]

Insulation rating of conductors

Iso Adapters 141A-S

32

63

6

10

10

8

--

--

--

--

--

--

--

--

105 °C (221 °F)

Standard Adapters with Wire Connections 141A-G

16

32

63

125

4

6

10

--

12

10

8

--

--

--

--

--

--

--

--

--

--

43

--

--

--

1/0

105 °C (221 °F)

Standard Adapters with Box Terminals 141A-F

32

63

200

250

4

16

6...70

35...120

12

6

10...2/0 2...250 MCM

4

16

6...70

35...120

12

6

10...2/0 2...250 MCM

--

--

--

--

--

--

--

--

--

--

--

--

(1) The admissible load of a complete system depends on the system topography and the application parameters. Factors of influence are ambient temperature, air circulation, busbar load, distribution of busbar load, mix of adapters and switchgear components.

Table 6 - Supply Modules

Supply Adapters

141ATR3F16

141AVN370, -CVN350

141ACVN3150

141AVN3120

141A-VN3185

141AVN3300R

[mm2] 1.5...16 stranded
[AWG] 16...6

6...50 35...150 35...120

95...185

150...300

10...1/0

2...300 MCM 2...250 MCM No. 3/0...350 MCM

300...600 MCM

solid [mm2] 1.5...16 6...50 35...150 35...120 [AWG] 16...6 10...1/0 2...300 MCM 2...250 MCM

95...185

150...300

laminated [mm] copper

--

--

--

--

--

--

[in.]

[N·m] -- 8...10 12...15/ 12...15

30

30

Tightening Torque

[lb·in] -- 71...89 106...133 106...133

266

266

141A- VN3300F

141AVU3300R

141A- VU3300F

--

120...300

--

--

250...600 MCM

--

--

120...300

--

--

250...600 MCM

--

3 x 20 x 1...

3 x 20 x 1...

10 x 32 x 1

10 x 32 x 1

--

0.12 x 0.79 x 0.04...

0.12 x 0.79 x 0.04...

0.39 x 1.26 x 0.04

0.39 x 1.26 x 0.04

30

30

30

266

266

266

Table 7 - Class J Busbar Fuse Bases

stranded solid Tightening Torque

[mm2] [AWG] [mm2] [AWG] [N·m] [lb·in]

141A-NFJ100 6...70 10...2/0 6...70 10...2/0 14...16 125...142

Class J Busbar Fuse Bases 141A-NFJ200 10...150 8...300 MCM 10...150 8...300 MCM 16...18 142...160

141A-NFJ400 16...300
4...600 MCM 16...300
4...600 MCM 38...40 336...355

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141A Classic Mounting System Specifications

Table 8 - Single Terminals

stranded
solid
laminated copper Clamping area Tightening Torque
\
Table 9 - Busbars

1 conductor 2 conductors Width x Height

[mm2] [AWG] [mm2] [AWG] [mm (in.)] [mm (in.)] [mm (in.)] [N·m] [lb·in]

141A-VS116, 141A-VS216 2.5...16 14...6 2.5...16 14...6 -- --
7.5 x 7.5 (0.29 x 0.29) 4 35

Attribute Material Busbar widths 5 or 10 mm (0.19 or 0.38 in.) thick Tolerance of thickness Corner radius Tolerance of center spacing Standard

[mm (in.)] [mm (in.)] [mm (in.)] [mm (in.)]

Table 10 - Busbar Specifications

Single Terminals 141A-VS135, 141A-VS235
4...35 12...2 4...35 12...2 5 x 9 x 0.8
-- 10.5 x 11 (0.41 x 0.43)
6 53

141A-VS170, 141A-VS270 16...70 6...2/0 16...70 6...2/0
5 x 9 x 0.8 5 x 9 x 0.8 14 x 14 (0.55 x 0.55)
10 120

Value E-CU blank or tinned 12, 15, 20, 25, 30 (0.47, 0.59, 0.79, 0.98, 1.18) +0.1/-0.3 (+0.004/-0.012)
0.5 60 ±0.5 (2.36 ±0.02)
DIN 46433

AB CDE F G H

J

K

Specification A

Cross Section

[mm2] 60

Dimensions

[mm] 12 x 5 [in.] 0.47 x 0.19

UL Rated Current
IEC

[A] 150 [A] 200

Cat. No.(1)

141A-B125*

B 75 15 x 5 0.59 x 0.19 -- 250 141A-B155*

C 100 20 x 5 0.79 x 0.19 362 320 141A-B205*

D 125 25 x 5 0.98 x 0.19 -- 400 141A-B255*

Busbar Style

E

F

150

120

30 x 5

12 x 10

1.18 x 0.19 0.47 x 0.38

500

300

450

360

141A-B305* 141A-B1210*

G

H

J

K

200

300

500

720

20 x 10 30 x 10 TT 30 x 40 TT 30 x 40

0.79 x 0.38 1.18 x 0.38 TT 1.18 x 1.57 TT 1.18 x 1.57

564

756

1200

1400

520

630

960

1250

141A-B2010* 141A-B3010* 141A-BT11NZ 141A-BT12NZ

(1) For Flat busbars, replace the asterisk (*) with one of the following letters to specify the correct length: A = 800 mm (31.49 in.), C = 1200 mm (47.24 in.), N = 2400 mm (94.49 in.). Cat. Nos. 141A-BT11NZ and 141A-BT12NZ have a length of 2400 mm (94.49 in.).

34

Rockwell Automation Publication 141-TD001A-EN-P - April 2021

141A Classic Mounting System Specifications

Table 11 - UL Short-circuit Current Rating (SCCR) · Support spacing at 800 mm (31.5 in.)

Cat. No.

Description

Max Circuit Breaker Cat. No.

141A-B125*
141A-B1210*
141A-B205*
141A-B2010*
141A-B305*
141A-B3010* 141A-BT1*NZ
141A-TU3 141A-CTU3 141A-T13 141A-TR3E 141A-T13E 141A-VN370 141A-VN3120 141A-VN3300R 141A-VU3300R 141A-VS54136F 141A-GHT 141A-GHB 141A-GHT 141A-GHB 141A-GJT 141A-GJB 141A-GKU 141A-GMU
141A-SS*25 141A-SM*25
141A-GS*25 141A-GM*25 141A-FS*25 141A-FM*25,
141A-SS*45 141A-SM*45 141A-GS*45 141A-GM*45

12 x 5 mm (0.47 x 0.19 in.) Copper Busbar
12 x 10 mm (0.47 x 0.38 in.) Copper Busbar
20 x 5 mm (0.79 x 0.19 in.) Copper Busbar
20 x 10 mm (0.79 x 0.38 in.) Copper Busbar
30 x 5 mm (1.18 x 0.19 in.) Copper Busbar
30 x 10 mm (1.18 x 0.38 in.) Copper Busbar
TT Copper Busbar Busbar Support Busbar Support Busbar Support Busbar Support End Cover Busbar Support End Cover Supply Module Supply Module Supply Module Supply Module Profile Terminals Circuit Breaker Adapter Circuit Breaker Adapter Circuit Breaker Adapter Circuit Breaker Adapter Circuit Breaker Adapter Circuit Breaker Adapter Circuit Breaker Adapter Circuit Breaker Adapter
Busbar Adapter
Busbar Adapter
Busbar Adapter

140G-J6I3-D25 140G-J6X3-D25
140G-K6H3-D40
140G-K6H3-D40
140G-K6H3-D40
140G-K6H3-D40
140G-K6H3-D40
140G-M6H3-D80 140G-K6H3-D40 140G-K6H3-D40 140G-M6H3-D80 140G-K6H3-D40 140G-M6H3-D80 140G-J6I3-D25 140G-J6X3-D25 140G-K6H3-D40 140G-K6H3-D40 140G-K6H3-D40 140G-M6H3-D80 140G-G6* or 140MG-G8* 140G-G6* or 140MG-G8* 140G-H6* or 140MG-H8* 140G-H6* or 140MG-H8* 140G-J6* or 140MG-J8* 140G-J6* or 140MG-J8* 140G-K6* or 140MG-K8* 140G-M6* or 140MG-M8* 140M-C2E-B16 140M-C2E-C10 140M-C2E-C25 140M-D8E-C25 140M-D8E-C32(1) 140M-C2E-B16 140M-C2E-C10 140M-C2E-C25 140M-D8E-C25 140M-D8E-C32 140M-F8E-C32
140M-F8E-C45

(1) 54 mm (2.13 in.) and 63 mm (2.48 in.) wide adapters only.

Circuit Breaker Rating
250 A
400 A
400 A
400 A
400 A
400 A
800 A 400 A 400 A 800 A 400 A 800 A
250 A
400 A 400 A 400 A 800 A 125 A 125 A 125 A 125 A 250 A 250 A 400 A 600 A 1.6 A 10 A 25 A 25 A 32 A 1.6 A 10 A 25 A 25 A 32 A 32 A
45 A

SCCR 480V 600V 65 kA 25 kA

Max Class CC, J, or T
Fuse
400 A

SCCR 480V 100 kA

Max Class CC, J, or T
Fuse
400 A

SCCR 600V 100 kA

65 kA 35 kA

400 A

100 kA

400 A

100 kA

65 kA 35 kA

500 A

100 kA

400 A

100 kA

65 kA 35 kA

500 A

100 kA

400 A

100 kA

65 kA 35 kA

500 A

100 kA

500 A

100 kA

65 kA 35 kA

600 A

100 kA

600 A

100 kA

65 kA

35 kA 800 A Class T 100 kA

600 A

100 kA

65 kA 35 kA

600 A

100 kA

600 A

100 kA

65 kA 35 kA

600 A

100 kA

600 A

100 kA

65 kA

35 kA 800 A Class T 100 kA

600 A

100 kA

65 kA 35 kA

600 A

100 kA

600 A

100 kA

65 kA

35 kA 800 A Class T 100 kA

600 A

100 kA

65 kA 25 kA

400 A

100 kA

400 A

100 kA

65 kA 35 kA

600 A

100 kA

600 A

100 kA

65 kA 35 kA

500 A

100 kA

300 A

100 kA

65 kA 35 kA

500 A

100 kA

300 A

100 kA

65 kA

35 kA 800 A Class T 100 kA

600 A

100 kA

65 kA 25 kA

--

--

--

--

65 kA 25 kA

--

--

--

--

65 kA 25 kA

--

--

--

--

65 kA 25 kA

--

--

--

--

65 kA 25 kA

--

--

--

--

65 kA 25 kA

--

--

--

--

65 kA 35 kA

--

--

--

--

65 kA 42 kA

--

--

--

--

65 kA 47 kA

30 A

100 kA

30 A

100 kA

65 kA 30 kA

30 A

100 kA

30 A

100 kA

30 kA 30 kA

30 A

100 kA

30 A

100 kA

65 kA 30 kA

30 A

100 kA

30 A

100 kA

65 kA 30 kA

30 A

100 kA

30 A

100 kA

65 kA 47 kA

30 A

100 kA

30 A

100 kA

65 kA 30 kA

30 A

100 kA

30 A

100 kA

30 kA 30 kA

30 A

100 kA

30 A

100 kA

65 kA 30 kA

30 A

100 kA

30 A

100 kA

65 kA 30 kA

30 A

100 kA

30 A

100 kA

65 kA 30 kA

--

--

--

--

65 kA

18 kA

--

--

--

--

Rockwell Automation Publication 141-TD001A-EN-P - April 2021

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141A Classic Mounting System Specifications

General Data

Table 12 - Main Circuits

Attribute

Value

Rated insulation

IEC, EN

[V]

690

voltage Ui

UL, NEMA, CSA, EEMAC

[V]

600

Rated impulse withstand voltage Uimp

[kV]

8

Rated frequency

[Hz]

50...60

Pollution degree

3

Ambient temperature

Operation

[ °C ( °F)] -25...+60 (-13...+140)

Transport and storage [ °C ( °F)] -50...+80 (-58...176)

Adapters and busbars

IP00

Adapters and busbars mounted

Protection class

on plate, connected conductors, and usage of busbar covers

IP20

Iso adapters with device adapter plate removed, from front

IP20 B (finger proof)

Standards Compliance

· IEC/EN 61439-1 · UL 508(1) · CSA C22.2, No 14

Certifications

CE, cULus Recognized

(1) Most components comply with UL 508; there some exceptions. Consult your local Rockwell Automation sales office or Allen-Bradley distributor.

Table 13 - Control Circuits

Attribute

Control Plugs

Rated insulation voltage Ui

IEC, EN

[V]

UL, NEMA, CSA, EEMAC [V]

Rated impulse withstand voltage Uimp

[kV]

Rated current at 40 °C ambient temperature Ith

[A]

Micro Switch

Rated insulation voltage Ui

IEC, EN

[V]

UL, NEMA, CSA, EEMAC [V]

Rated current · Suitable for switching 100-C contactors

AC coil DC coil

Value
250 300 4 12
250 300 250V 120V

Table 15 - Standard Busbar Adapters

Cat. No. 141A-CC45R32 141A-CC54R63 141A-FM45SS25 141A-FM54SS63 141A-FM63SS63 141A-FM72SS63 141A-FM81SS63 141A-FS45S25 141A-FS54S63 141A-FS63S63 141A-FS72S63 141A-FS81S63 141A-GM45RS25 141A-GM54RS25 141A-GM54RS45

Weight [g] 198 218 293 349 370 408 429 272 328 349 387 408 313 368 379

Cat. No. 141A-GM63RS45
141A-GM45S 141A-GM54S 141A-GM63S 141A-GS45R 141A-GS45RR25
GS54R GS54RR25 GS54RR45 141A-GS63RR45 141A-GS72S 141A-GS81S 141A-GS90M125 141A-GS180M125 141A-GS270M125

Weight [g] 400 211 277 298 200 302 226 347 358 379 268 289 781 1021 1271

Table 16 - Standard Busbar Adapters >100 A

Cat. No. 141A- FL110V250T 141A- FS108V200B 141A- FS108V200T

Weight [g] 1200 1000 1000

Table 17 - Mounting Adapters

Cat. No. 141A-WL45RR 141A-WL45RRP 141A-WL54RR 141A-WL54RRP 141A-WM45RR 141A-WM45RRP

Weight [g] 211 240 222 251 189 212

Cat. No. 141A-WM54RR 141A-WM54RRP 141A-WS45RR 141A-WS45RRP 141A-WS54RR 141A-WS54RRP

Weight [g] 211 234 163 180 204 221

Weights

Table 14 - Iso Busbar Adapters

Cat. No. 141A-SM45RS25
141A-SM45S 141A-SM54RS25 141A-SM54RS45
141A-SM54S 141A-SM63RS45

Weight [g] 402 300 418 494 327 502

Cat. No. 141A-SM63S 141A-SS45R 141A-SS45RR25 141A-SS54R 141A-SS54RR25 141A-SS54RR45 141A-SS63RR45

Weight [g] 405 279 381 305 396 472 480

36

Rockwell Automation Publication 141-TD001A-EN-P - April 2021

141A Classic Mounting System Specifications

Table 18 - Busbar Components

Cat. No. 141A-BCF1 141A-BCF1H 141A-BCR 141A-BCT1 141A-BK1 141A-BK180 141A-BK228 141A-BK250 141A-BKC 141A-BKH 141A-BKS 141A-BS10 141A-BS5 141A-BST48 141A-BST76 141A-CBCF1 141A-CBCF1H 141A-CTS3 141A-CTU3 141A-CVN3150 141A-CVN350 141A-N160SB 141A-N320SB 141A-NFHCC30 141A-NFHCC30L 141A-NFJ100 141A-NFJ200 141A-NFJ400 141A-NFVF1150 141A-NFVF2240 141A-NFVF3300 141A-PS105 141A-PS145 141A-PS200 141A-T11 141A-T13 141A-T13E 141A-TR1 141A-TR3 141A-TR3E 141A-TR3F16 141A-TR4 141A-TR4E 141A-TS3 141A-TU3 141A-VB710528F

Weight [g] 750 40 800 380 144 395 425 440 420 90 150 101 87 700 1050 420 18 52 68 575 206 2160 5650 185 187 3280 4500 6900 116 199 247 172 196 218 158 591 20 59 203 21 285 256 28 131 127 840

Cat. No. 141A-ND1 141A-ND2 141A-NDN66 141A-NDRY66 141A-NF0102 141A-NF1038 141A-NFAC00A 141A-NFAC1A 141A-NFAC2A 141A-NFAC3A 141A-NFAD 141A-NFAFR5 141A-NFAR 141A-NFASNC0 141A-NFASNC1 141A-NFASNF 141A-NFASNFD 141A-NFD125SB 141A-NFD160 141A-NFD250 141A-NFD250SB 141A-NFD400 141A-NFD630 141A-VB75528F 141A-VB76828F 141A-VC3A 141A-VC3B 141A-VC3C 141A-VC3D 141A-VC5E 141A-VC5F 141A-VC5G 141A-VN3120 141A-VN3185 141A-VN3300F 141A-VN3300R 141A-VN370 141A-VS116 141A-VS135 141A-VS170 141A-VS2120 141A-VS216 141A-VS235 141A-VS270 141A-VU3300F 141A-VU3300R

Weight [g] 130 220 570 570 759 760 124 107 109 156 61 65 1 11 11 7 11 2190 1300 3760 2460 5500 7840 500 630 185 251 565 870 494 943 1461 485 1140 1619 1540 360 21 46 71 109 23 47 74 1325 1550

Table 19 - Accessories

Cat. No. 141A-AHR45 141A-AHR54 141A-AHR63 141A-AHS72 141A-AHS81
141A-AK 141A-APC10 141A-APC12

Weight [g] 15 16 16 17 18 1 35 40

Cat. No. 141A-APC8 141A-APH 141A-AS 141A-AS9B 141A-AS9S 141A-AS9W 141A-CAS9B 141A-FTS63

Weight [g] 29 5 75 20 38 20 20 8

Rockwell Automation Publication 141-TD001A-EN-P - April 2021

37

141A Classic Mounting System Approximate Dimensions
Approximate Dimensions

Busbar Adapters

Dimensions are in millimeters (inches). Dimensions are not intended for manufacturing purposes.

Figure 19 - ISO Busbar Adapters

26 (1.02)

26 (1.02)

3 (0.12)

C

34 (1.33)

74 (2.91)
8.9 (0.35)

30.2 (1.19)
3 (0.12)
E

D A

60 (2.36)

200 (7.87)

60 (2.36)

10

B

(0.39) 47

Free space is required to get the device adapter

75 (1.85)

placed into the parking position

(2.95)

Cat. No. 141A-SS45RR25 141A-SS54RR25 141A-SS54RR45 141A-SS63RR45
141A-SS45R 141A-SS54R

A 200 (7.87) 200 (7.87) 200 (7.87) 200 (7.87) 200 (7.87) 200 (7.87)

B 45 (1.77) 54 (2.13) 54 (2.13) 63 (2.48) 45 (1.77) 54 (2.13)

C 65 (2.56) 65 (2.56) 65 (2.56) 65 (2.56)
-- --

D 162.5 (6.4) 162.5 (6.4) 170 (6.69) 170 (6.69) 162.5 (6.4) 170 (6.69)

E 73 (2.87) 73 (2.87) 95 (3.74) 95 (3.74)
-- --

Cat. No. 141A-SM45RS25 141A-SM54RS25 141A-SM54RS45 141A-SM63RS45
141A-SM45S 141A-SM54S 141A-SM63S

A

B

C

D

E

260 (10.24) 45 (1.77) 65 (2.56) 170 (6.69) 73 (2.87)

260 (10.24) 54 (2.13) 65 (2.56) 170 (6.69) 73 (2.87)

260 (10.24) 54 (2.13) 65 (2.56) 170 (6.69) 95 (3.74)

260 (10.24) 63 (2.48) 65 (2.56) 170 (6.69) 95 (3.74)

260 (10.24) 45 (1.77) -- 170 (6.69) --

260 (10.24) 54 (2.13) -- 170 (6.69) --

260 (10.24) 63 (2.48) -- 170 (6.69) --

38

Rockwell Automation Publication 141-TD001A-EN-P - April 2021

Figure 20 - Standard Busbar Adapters

30.2 (1.19)
C D A

34 (1.33)
60 (2.36) 200 (7.87)
60 (2.36)

72.5 (2.85)

19.5 (0.77)

E

141A Classic Mounting System Approximate Dimensions

Cat. No. 141A-GM45RS25 141A-GM54RS25 141A-GM54RS45 141A-GM63RS45
141A-GM45S 141A-GM54S 141A-GM63S 141A-GS45RR16 141A-GS54RR16 141A-GS45RR25 141A-GS54RR25 141A-GS54RR45 141A-GS63RR45 141A-GS45R 141A-GS54R 141A-GS72S 141A-GS81S

A 260 (10.24) 260 (10.24) 260 (10.24) 260 (10.24) 260 (10.24) 260 (10.24) 260 (10.24) 200 (7.87) 200 (7.87) 200 (7.87) 200 (7.87) 200 (7.87) 200 (7.87) 200 (7.87) 200 (7.87) 200 (7.87) 200 (7.87)

B 45 (1.77) 54 (2.13) 54 (2.13) 63 (2.48) 45 (1.77) 54 (2.13) 63 (2.48) 45 (1.77) 54 (2.13) 45 (1.77) 54 (2.13) 54 (2.13) 63 (2.48) 45 (1.77) 54 (2.13) 72 (2.83) 81 (3.19)

C 65 (2.56) 65 (2.56) 65 (2.56) 65 (2.56)
-- -- -- 65 (2.56) 65 (2.56) 65 (2.56) 65 (2.56) 65 (2.56) 65 (2.56) -- -- 105 (4.13) 105 (4.13)

D 170 (6.69) 170 (6.69) 170 (6.69) 170 (6.69) 170 (6.69) 170 (6.69) 170 (6.69) 162.5 (6.4) 162.5 (6.4) 162.5 (6.4) 162.5 (6.4) 170 (6.69) 170 (6.69) 162.5 (6.4) 170 (6.69)
-- --

E 73 (2.87) 73 (2.87) 95 (3.74) 95 (3.74)
-- -- -- 73 (2.87) 73 (2.87) 73 (2.87) 73 (2.87) 95 (3.74) 95 (3.74) -- -- -- --

Free space is required to plug/unplug the adapter into the busbars

B

8.5 (0.33)

72.5 (2.86)

57 (2.24)
14 (0.55)

37.5 (1.48)

35 (1.38) 63 (2.48)

10 (0.39)

Cat. No. 141A-GS90M125

27.5 (1.08)

27.5 (1.08)

34 (1.34)
60 (2.36)
60 (2.36)

30 (1.19)
105 (4.14)
200 (7.88)

Cat. No. 141A-GS180M125 Cat. No. 141A-GS270M125

36 (1.42)
51
(2.01)

90 (3.55)

141A-GS180M125 = 180 (7.09) 141A-GS270M125 = 270 (10.63)

Rockwell Automation Publication 141-TD001A-EN-P - April 2021

39

141A Classic Mounting System Approximate Dimensions

Figure 21 - Standard Busbar Adapters with Terminals

C D A

34 (1.33)

200 (7.87)

60 (2.36)

60 (2.36)

Cat. No.
141A-FS45S25 141A-FS54S63 141A-FS63S63 141A-FS72S63 141A-FS81S63 141A-FM45SS25 141A-FM54SS63 141A-FM63SS63 141A-FM72SS63 141A-FM81SS63

A
200 (7.87) 200 (7.87) 200 (7.87) 200 (7.87) 200 (7.87) 260 (10.24) 260 (10.24) 260 (10.24) 260 (10.24) 260 (10.24)

B
45 (1.77) 54 (2.13) 63 (2.48) 72 (2.83) 81 (3.19) 45 (1.77) 54 (2.13) 63 (2.48) 72 (2.83) 81 (3.19)

C
65 (2.56) 65 (2.56) 65 (2.56) 65 (2.56) 65 (2.56) 65 (2.56) 65 (2.56) 65 (2.56) 65 (2.56) 65 (2.56)

D
-- -- -- -- -- 170 (6.69) 170 (6.69) 170 (6.69) 170 (6.69) 170 (6.69)

Wire Size

mm2 AWG

6 10

16

6

16

6

16

6

16

6

6 10

16 6

16

6

16

6

16 6

10

B

(0.39)

35 (1.38)

63 (2.48)

Figure 22 - Standard Busbar Adapters -- Universal Adapters
16 (0.62)

44 (1.73)

Free space is required to plug/unplug the adapter into the busbars
21 (0.82)
41 (1.61)

108 (4.25)

35

35

(1.38) (1.38)

6-70 L1

8Nm

L2

L3

160 40 30 20

80 20 30 40

oben

130 L1-40

50

120

40

110

30

100

20

90

8Nm L2

10

80

0

70

10

60

20

50

L3-40 30

40

40

30

L3-60 50

20

60

10 40 30 20

70 20 30 40

oben

101 (3.97)
73 (2.87)

222 (8.74)

109 (4.29)

60 (2.36)

60 (2.36)

9 (0.35)

60 (2.36)

45 (1.77)

max. 30 (1.18)
Cat. No. 141A-FS108V200T

38.5 (1.51)

36

36

(1.41) (1.41)

L1 35-120

L2

L3

10Nm

101 (3.97)
73 (2.87)
14 (0.55)

210

200

L1

190

180

170

160

150 20Nm
140

130 40 30 20

110 100 90 80 70 60 50 40 30 20 10 0 40 30 20

80 70 60 50 40 30 20 L2 10 20 30 40 0

0

L3

10

20

30

40

50

60

70

80

20 30 40 90

152 (5.98)

320 (12.59)

60 (2.36)
60 (2.36)

60 (2.36)
max. 30 (1.18)

110 (4.33)

Cat. No. 141A-FL110V250T

23 (0.91)
50.5 (1.99)

40

Rockwell Automation Publication 141-TD001A-EN-P - April 2021

Figure 23 - Cat. Nos. 141A-GHT, -GHB
30 (1.18) 30 (1.18)

217 (8.54)
200 (7.87)

 6.5 (0.26)

62.5 (2.46)
15 (0.59)

89.8 (3.54)

141A Classic Mounting System Approximate Dimensions

90 (3.54) 30 (1.18)

63 (2.48)

211 (8.31) 200
(7.87)

30 (1.18) 90 (3.54)
141A-GHT (Top Connection)
Figure 24 - Cat. Nos. 141A-GJT, -GJB
30 (1.18) 30 (1.18)

217 (8.54)
200 (7.87)

 6.5 (0.26)

62.5 (2.46)
15 (0.59)

63 (2.48) 89.8 (3.54)

 6.5 (0.26)

15 (0.59) 62.5 (2.46)

30 (1.18) 30 (1.18)
141A-GHB (Bottom Connection)

89.8 (3.54)

35 (1.38)

105 (4.13)

63 (2.48)

213.8 (8.42) 200
(7.87)

30 (1.18) 90 (3.54)
141A-GJT (Top Connection)

63 (2.48)

 8.8 (0.35)

20 (0.79) 55.8 (2.2)

35 (1.38) 35 (1.38)
141A-GJB (Bottom Connection)

88.5 (3.48)

Rockwell Automation Publication 141-TD001A-EN-P - April 2021

41

141A Classic Mounting System Approximate Dimensions

Figure 25 - Cat. No. 141A-GKU

45 (1.77)

45 (1.77)

 11 (0.43)

62 (2.44)

335.5 (13.2)
300 (11.81)

176 (6.93)

106.3 (4.19) 26 (1.02)

99 (3.9)

46.0 140.0

Figure 26 - Cat. No. 141A-GMU

49 (1.93)

238 (9.37) 70 (2.76)

70 (2.76)

45 (1.77)

300 (11.81)
210 (8.27)

16.1 (0.63) 30.8 (1.21)
206.2 (8.12)

84 (3.31)

70 (2.76)

30.8 (1.21)

62 (2.44)
63 (2.48)

42

Rockwell Automation Publication 141-TD001A-EN-P - April 2021

Figure 27 - Cat. No. 141A-W... Panel Mount Adapters

62.5

F

(2.46)42.5

(1.67)

30.2 (1.19)

oben/top
C

64 (2.51)

141A Classic Mounting System Approximate Dimensions

Cat. No. 141A-WS45RR 141A-WS54RR 141A-WM45RR 141A-WM54RR 141A-WL54RR

A 228 (8.97) 228 (8.97) 228 (8.97) 228 (8.97) 333 (13.11)

B 45 (1.77) 54 (2.13) 45 (1.77) 54 (2.13) 54 (2.13)

C 69 (2.71) 69 (2.71) 69 (2.71) 69 (2.71) 69 (2.71)

D 166.5 (6.56) 174 (6.85) 166.5 (6.56) 174 (6.85) 174 (6.85)

E 210 (8.27) 210 (8.27) 265 (10.43) 265 (10.43) 315 (12.40)

F 35 (1.38) 40 (1.57) 35 (1.38) 40 (1.57) 40 (1.57)

D A

152.5 (6.00)
E

125 (4.92)

30.2 (1.19)

10

B

(0.39)

25 (0.99)

UL Fuse Bases and Fuse Holders
Figure 28 - Cat. No. 141A-NFHCC30
27 [1.06]

27.5 [1.08]
34 [1.34]
60 [2.36]
60 [2.36]

63 [2.48] 32 [1.26]
194 200 [7.64] [7.88]

Rockwell Automation Publication 141-TD001A-EN-P - April 2021

43

141A Classic Mounting System Approximate Dimensions
Figure 29 - Cat. Nos. 141A-NFJ30C, -60C, and -100C
34 [1.34]
60 [2.36]
200 [7.88]
60 [2.36]

104.5 [4.12]
189 194 [7.45] [7.64]

106 [4.17]
Figure 30 - Cat. No. 141A-NFJ200C

95 [3.74]

37 [1.46]

129.5 [5.10]

46.5 [1.83]

60 [2.36]

6 [0.24]

225 [8.87]
60 [2.36]

262.5 [10.34] 243 [9.57]
214.5 [8.45]

57 [2.25]

57 [2.25]
184
[7.25]

59 [2.32]
83 [3.27]
111 [4.37]

45.5 [1.79]

44

Rockwell Automation Publication 141-TD001A-EN-P - April 2021

Figure 31 - Cat. No. 141A-NFJ400

141A Classic Mounting System Approximate Dimensions
76.5 [3.01]
60 [2.36] 6
[0.24] 285 [11.23]
60 [2.36]

256 [10.09]

27 [1.07]

132.5 [5.22]

Fused and Non-fused IEC Switch Disconnectors

Figure 32 - 141A-NF0102 and 141A-NF1038 Busbar Fuse Switches

27 [1.06]

32 [1.26]

100 [3.93]

34 [1.34]

60 [2.36]

60 [2.36]

194 [7.64] 220
[8.67]

23 [0.91]

Rockwell Automation Publication 141-TD001A-EN-P - April 2021

45

141A Classic Mounting System Approximate Dimensions
Figure 33 - 141A-NFD160 NH Fuse Switch Disconnector
34 [1.34]
60 [2.36]
200 [7.88]
60 [2.36]

97 [3.82]
189 194 [7.45] [7.64]

106 [4.17]
Figure 34 - 141A-NFD... NH Fuse Switch Disconnector

87 [3.43]

37 [1.46]

C

K

60 [2.36]

6 [0.24]

D
60 [2.36]

B H

x

x

A

M

E

F

G

Cat. No. 141A-NFD250 141A-NFD400 141A-NFD630

A 184 (7.24) 210 (8.27) 256 (10.08)

B 243 (9.57) 288 (11.34) 300 (11.81)

C 128.5 (5.06) 145 (5.71) 159.5 (6.28)

D 221 (8.7) 268 (10.55) 285 (11.22)

E 83 (3.27) 97 (3.82) 111.5 (4.39)

F 110.5 (4.35) 124.5 (4.9) 139 (5.47)

G 45.5 (1.79) 48 (1.89) 48 (1.89)

H 214.5 (8.44) 255 (10.04) 267 (10.51)

K 44.5 (1.75) 68 (2.68) 76.5 (3.01)

M

X

M10 57 (2.24)

M10 65 (2.56)

M12 81 (3.19)

46

Rockwell Automation Publication 141-TD001A-EN-P - April 2021

Figure 35 - Cat. No.141A-NFD125SB Fuse Switch Disconnector for NH Fuses
34 [1.34]
60 [2.36]
200 [7.88]
60 [2.36]

141A Classic Mounting System Approximate Dimensions
55.5 [2.19]
144.5 [5.69]

33

33

[1.30] [1.30]

106 [4.18]

27.5 [1.08]

32 [1.26]

94 [3.70]
128 [5.04]
148 [5.84]

Figure 36 - Cat. No.141A-NFD250SB Fuse Switch Disconnector for NH Fuses

83 [3.27]

61 [2.40]

60 [2.36]
286 [11.27]
60 [2.36]

225 [8.86]

57 [2.25]

57 [2.25]

184 [7.25]

27.5 [1.08]

123 [4.85]
163.5 [6.44]
194 [7.65]

Rockwell Automation Publication 141-TD001A-EN-P - April 2021

47

141A Classic Mounting System Approximate Dimensions

Figure 37 - 141A-N160SB Non-Fused Switch Disconnector for External Rotary Operating Handle

77 [3.04]

29 [1.14]

27.5 [1.08]

141A-ND1 = 220 - 440 [8.65 - 17.3"] 141A-ND2 = 440 - 640 [17.3 -25.2"]
154.5 [6.09]

34 [1.34]

34 [1.34] 46
[1.81]

60 [2.36]
200 [7.88]
60 [2.36]

36 [1.42]
2 - 5 [0.08 - 0.2]

106

Figure 38 - 141A-N320SB Non-Fused Switch Disconnector for External Rotary Operating Handle

83 [3.27]

134 [5.28]

50 [1.97]

29.5 [1.16]
83 [3.27]

27.5 [1.08]

141A-ND1 = 257 - 477 [10.1 - 18.8"] 141A-ND2 = 477 - 677 [18.8 - 26.6"]
192 [7.56]

95 [3.74]
23±0.5 [0.90±1/32"]
95 [3.74]

60 [2.36]
286 [11.27]
60 [2.36]

36 [1.42]
2 - 5 [0.08 - 0.2]

23±0.5 [0.90±1/32"]

184 [7.25]

48

Rockwell Automation Publication 141-TD001A-EN-P - April 2021

Figure 39 - 141A-NDN66 and 141A-NDRY66 Operating Handles

85 [3.35]

87 [3.43]

2 - 5 [0.08 - 0.2]
8 [0.32]

85 [3.35]

90°

95 [3.74]
27.5 [1.08]

141A Classic Mounting System Approximate Dimensions

71 [2.80]

71 [2.80]

Ø40 [Ø1.58]
Ø8 [Ø0.32]

32 [1.26]

Rockwell Automation Publication 141-TD001A-EN-P - April 2021

49

141A Classic Mounting System Approximate Dimensions

Busbar Rack Components

Figure 40 - Cat. Nos. 141A-TU3, -TR1, -TR3, and -TR4 Busbar Supports and End Covers

20 (0.79)

33 (1.30)

65 (2.56)

27 (1.06)
30 (1.19)
60 (2.36)

26 (1.02) 20 (0.79)
63 (2.48)

36.5 (1.44)

75 (2.96)

191 (7.53) 60 (2.36)

Ø 6.5 (0.26)

51 (2.01)

Cat. No. 141A-TR1

50 (1.97)

21 (0.827)
20 (0.79)
65 (2.56)
75 (2.95)

51 (2.01) Cat. No. 141A-TU3

33 (1.30)

27 (1.06)
30 (1.19)
60 (2.36)

191 (7.52) 60 (2.36)

49.5 (1.95) Cat. No. 141A-TR3

20 (0.79)
55 (2.16)
125 (4.92)

51 (2.01)
28 (1.10)

17.5 (0.68)

12.5 (0.49)
Ø 6.5 (0.26)

60 (2.36)

245 60 (9.64) (2.36)

60 (2.36)

Cat. No. 141A-TR4

50

Rockwell Automation Publication 141-TD001A-EN-P - April 2021

141A Classic Mounting System Approximate Dimensions

Figure 41 - Cat. Nos. 141A-TR3F16, -T13, -TR3E, -TR4E, and T13E Busbar Supports and End Covers

25 (0.99)

7 (0.27)

42.5 (1.67)

20 (0.79)

77
(3.04) 28
(1.10)

34.5 (1.36)

75 (2.96)

185 75 (7.29) (2.96)

60 (2.36)
202 (7.96)

210.5 (8.29)

60 (2.36)

50 (1.97)

32 (1.26)
60 (2.36)
200 (7.88)
60 (2.36)

Cat. No. 141A-TR3F16

5 (0.19)

31 (1.22)

40 (1.58)

123 (4.84)

Cat. No. 141A-TR4E

6 (0.24)

5 (0.19)
L1 L2

31

L1

(1.22)

L2

166 (6.53)
L3

220 (8.66)

120 200 (4.73) (7.88)

L3
Cat. No. 141A-TR3E

PE N
Cat. No. 141A-TR4E

Cat. No. 141A-TR13E

6 (0.24)

Rockwell Automation Publication 141-TD001A-EN-P - April 2021

51

141A Classic Mounting System Approximate Dimensions

Supply Modules

Dimensions are in millimeters (inches). Dimensions are not intended for manufacturing purposes.

Figure 42 - Cat. Nos. 141A-VN370 and 141A-VN3120

Figure 43 - Cat. Nos. 141A-VN3185, -VN3300R, and -VN3300F

34 [1.34]

34 [1.34]

200 [7.88]

60 [2.36]
60 [2.36]

60 [2.36]
60 [2.36]

200 [7.88]

V 141A-VN3120 = 81 [3.19] 141A-VN370 = 54 [2.13]

28 [1.10]
60.5 [2.38]
113.5 [4.47]

Figure 44 - Cat. Nos. 141A-VU3300R and -VU3300F
A

93 (3.66)

max. 88 (3.46)

A 82.1 (3.23)

184 (7.24)

30 N·m 266 lb-in.
120...300 mm2 MCM 250...600

30 N·m 266 lb-in.
120...300 mm2 MCM 250...600

50.5 (1.99) 3 x 50.5 (1.99) = 151.5 (5.96)

42.5 [1.67]

42.5 [1.67]

135.5 [5.34]

27.5 [1.08]

10 [0.39]
90 [3.55]

A-A

52

Rockwell Automation Publication 141-TD001A-EN-P - April 2021

Terminals and Terminal Covers

Figure 45 - 141A-VS... Terminals for Connecting to Busbars

Cat. No.

141A-VS2120

d

141A-VS116

e

141A-VS135

141A-VS170

141A-VS216

141A-VS235

a

141A-VS270

b

c

141A Classic Mounting System Approximate Dimensions

A 17 (0.67) 7.5 (0.3) 10.5 (0.41) 14.5 (0.57) 7.5 (0.3) 10.5 (0.41) 14.5 (0.57)

B 23.5 (0.93) 11.5 (0.45) 15.5 (0.61) 20.5 (0.81) 11.5 (0.45) 15.5 (0.61) 20.5 (0.81)

C 36 (1.42) 22.5 (0.89) 29 (1.14) 32 (1.26) 22.5 (0.89) 29 (1.14) 32 (1.26)

D 55 (2.17) 25 (0.98) 36 (1.42) 42 (1.65) 25 (0.98) 35 (1.38) 42 (1.65)

E 10 (0.39) 5 (0.2) 5 (0.2) 5 (0.2) 10 (0.39) 10 (0.39) 10 (0.39)

Figure 46 - 141A-VB... Terminals for Connecting to Busbars

max. 85

Cat. No.

A

B

C D Min D Max E

[3.35"]

141A-VB75528F 90 (3.54) 72 (2.83) 55 (2.17) 10 (0.39) 28 (1.1) 56 (2.2)

a

d

141A-VB76828F 90 (3.54) 85 (3.35) 68 (2.68) 10 (0.39) 28 (1.1) 56 (2.2)

141A-VB710528F 90 (3.54) 122 (4.8) 105 (4.13) 10 (0.39) 28 (1.1) 56 (2.2)

c

e

b

Figure 47 - 141A-BK1 Terminal Cover

34 [1.34]

60 [2.36]
200 [7.88]
60 [2.36]

54 [2.13]

55 [2.17]

Rockwell Automation Publication 141-TD001A-EN-P - April 2021

53

141A Classic Mounting System Approximate Dimensions

Figure 48 - 141A-BK180, -BK228 Terminal Covers

C

27.5

B

[1.08]

max. 88 [3.46]

204 [8.04]

Cat. No. 141A-BK180 141A-BK228

A(1) 180 (7.09) 228 (8.98)

B 146 (5.75) 194 (7.64)

C 166 (6.54) 214 (8.43)

(1) You can build terminal covers of individual lengths by using components 141A-BKH, 141A-BKC 141A-BKC, and 141A-BKS.

195 [7.69]

A
Busbar Covers and Shrouds
Figure 49 - Cat. Nos. 141A-BCF1, 141A-BCF1H Busbar Cover and Cover Holder
32 (1.26)

195.4 (7.69)

60 (2.36)

60 (2.36)

60 (2.36) Cat. No. 141A-BCF1

60 (2.36) Cat. No. 141A-BCF1H

54

Rockwell Automation Publication 141-TD001A-EN-P - April 2021

IEC Busbar Mounting System Specifications

Additional Resources

These documents contain additional information concerning related products from Rockwell Automation.

Resource IEC Contactor Specifications, publication 100-TD013 UL Standards Listing for Industrial Control Products, publication CMPNTS-SR002 American Standards, Configurations, and Ratings: Introduction to Motor Circuit Design, publication IC-AT001 Industrial Components Preventive Maintenance, Enclosures, and Contact Ratings Specifications, publication IC-TD002
Safety Guidelines for the Application, Installation, and Maintenance of Solid-state Control, publication SGI-1.1
Industrial Automation Wiring and Grounding Guidelines, publication 1770-4.1 Product Certifications website, rok.auto/certifications.

Description
Provides product selection, accessory, and specifications information for IEC contactors.
Assists original equipment manufacturers (OEMs) with construction of panels, to help ensure that they conform to the requirements of Underwriters Laboratories.
Provides an overview of American motor circuit design based on methods that are outlined in the NEC.
Provides a quick reference tool for Allen-Bradley industrial automation controls and assemblies.
Designed to harmonize with NEMA Standards Publication No. ICS 1.1-1987 and provides general guidelines for the application, installation, and maintenance of solid-state control in the form of individual devices or packaged assemblies incorporating solid-state components.
Provides general guidelines for installing a Rockwell Automation industrial system.
Provides declarations of conformity, certificates, and other certification details.

You can view or download publications at rok.auto/literature.

Rockwell Automation Publication 141-TD001A-EN-P - April 2021

55

Rockwell Automation Support

Use these resources to access support information.

Technical Support Center Knowledgebase Local Technical Support Phone Numbers Literature Library Product Compatibility and Download Center (PCDC)

Find help with how-to videos, FAQs, chat, user forums, and product notification updates. Access Knowledgebase articles. Locate the telephone number for your country. Find installation instructions, manuals, brochures, and technical data publications. Download firmware, associated files (such as AOP, EDS, and DTM), and access product release notes.

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rok.auto/pcdc

Documentation Feedback
Your comments help us serve your documentation needs better. If you have any suggestions on how to improve our content, complete the form at rok.auto/docfeedback.

Allen-Bradley, E1 Plus, E3, E300, expanding human possibility, FactoryTalk, PowerFlex, and Rockwell Automation are trademarks of Rockwell Automation, Inc. Crossboard is a registered trademark of Wöhner GmbH & Co. KG. Trademarks not belonging to Rockwell Automation are property of their respective companies.
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Publication 141-TD001A-EN-P - April 2021
Supersedes publication 141A-SG003A-EN-P - November 2016

Copyright © 2021 Rockwell Automation, Inc. All rights reserved. Printed in the U.S.A.


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