Rockwell Automation IEC Technical Data

Technical Data

Original Instructions

IEC Busbar Mounting System Specifications

Bulletins 141A, 141C

Top ic Pa ge

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. 141C Crossboard® Mounting System 141A MCS Mounting System

Current Rating, Max.

Degree of Protection (Ingress Rating) IP20 IP20B (finger safe)

•IEC/EN 61439-1:2011

•UL 508

Standards Compliance

Certifications

Features

Product Selection page 3

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

• 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

• Reduced power wiring

• Efficient design with decreased panel space

• Adapters to support a wide range of devices

• Plug-and-play design

UL: 100 A
IEC: 125 A

CE

cULus Listed

•IEC/EN 61439-1

(1)

•UL 508

• CSA C22.2, No 14

• Reduced power wiring

• Efficient design with decreased panel space

• Factory-assembled starters

• Adapters to support a wide range of devices

• Plug-and-play design

UL: 1400 A
IEC: 1175 A

CE

cULus Recognized

page 17

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

abc

abc

Bulletin Number Type Length

Code Description Code Description Code Description

141C Crossboard Mounting System B Busbar system base, 3-pole 225 225 mm (8.86 in.)

405 405 mm (15.94 in.)

Busbar Adapters

141C – 18 S 16 L1

abcde

abcde

Bulletin Number No. of Poles/Width Mounting Rail Current Rating Terminal Connection

Code Description Code Description Code Description Code Description Code Description

141C Crossboard Mounting System 18 1 pole, 18 mm (0.71 in.) S Fixed Blank

45 3 poles, 45 mm (1.77 in.) R Adjustable 16 16 A

0 A (no electrical

connection)

25 25 A L1 L1
32 32 A L2 L2
45 45 A L3 L3
63 63 A

Blank

No electrical

connection

Connection Modules

141C – VN 16

abc

abc

Bulletin Number Type Wire Size

Code Description Code Description Code Description

141C Crossboard Mounting System VN Connection module, 3-pole 16

50

16 mm2, #14…6 AWG
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

abcd

abcd

Bulletin Number Type Frame Size Terminals

Code Description Code Description Code Description Code Description

141C Crossboard Mounting System

Busbar adapters for Bulletin 140G and

G

MG devices

G G-Frame U Universal Connection
H H-Frame

Product Selection

Busbar System Bases

Connection Modules

Description

Busbar system base

•3 poles

Description

Connection module

•3-pole

• Spring terminals

•16 mm2, #14…6 AWG wire size

Connection module

•3-pole

• Box terminals

2

•50 mm

, #10…1 AWG wire size

Rated Thermal Current [A]

IEC UL

125 100 225 (8.86) 1

125 100 405 (15.94) 1

Rated Thermal Current [A]

IEC UL

63 48 22.5 (0.89) 1 141C-VN16

125 100 45 (1.77) 1 141C-VN50

Width [mm (in.)] Pkg. Qty. Cat. No.

Width [mm (in.)] Pkg. Qty. Cat. No.

141C-B225

141C-B405

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

Adapters, 3 Poles

141C Crossboard® Mounting System Product Selection

Adapters, 1 Pole

Description

3-Pole Adapter

• without electrical connection

• 1 adjustable mounting rail

3-Pole Adapter

• 1 adjustable mounting rail

Description Connection

Rated Thermal Current [A]

IEC UL

— — 45 (1.77) 1

16 12
25 25 1 141C-45R25
32 30 1

45 45 1 141C-45R45

Rated Thermal Current [A]

IEC UL

Width [mm (in.)] Pkg. Qty. Cat. No.

1 141C-45R16

45 (1.77)

Width

[mm (in.)]

Pkg. Qty. Cat. No.

141C-45R

141C-45R32

1-Pole Adapter

• without electrical connection

• 1 adjustable mounting rail

1-Pole Adapter

•#14 AWG wires

• 1 fixed mounting rail

• White indicator shows
which pole is active

1-Pole Adapter

•#8 AWG wires

• 1 fixed mounting rail

• White indicator shows
which pole is active

•L1

•Top busbar

•L2

•Middle busbar

•L3

• Bottom busbar

•L1

•Top busbar

•L2

•Middle busbar

•L3

• Bottom busbar

——18 (0.71)6

16 16 18 (0.71) 6

16 16 18 (0.71) 6 141C-18S16L2

16 16 18 (0.71) 6

63 63 18 (0.71) 6 141C-18S63L1

63 63 18 (0.71) 6

63 63 18 (0.71) 6 141C-18S63L3

141C-18S

141C-18S16L1

141C-18S16L3

141C-18S63L2

Rockwell Automation Publication 141-TD001A-EN-P - April 2021 5

141C Crossboard® Mounting System Accessories

Accessories

Description

Adapter Extension Module

• For 45 mm adapters

Fuse Holder

• For 10 x 38 and Class CC fuses

•3-pole

• 1 fixed mounting rail

Breaker Adapter

• For 140G-G Molded Case Circuit
Breaker (MCCB)

• Universal Terminals for Top or
Bottom Mount

Rated Thermal Current [A]

IEC UL

— — 45 (1.77) 8

16 12.5 22.5 (0.89) 1

160 100 90 (3.54) 1

Width [mm (in.)] Pkg. Qty. Cat. No.

141C-X40

141C-23S16F

141C-GGU

Breaker Adapter

•For 140G-H MCCB

• Universal Terminals for Top or
Bottom Mount

Fused Switch Disconnector 125 49.5 (1.95) 1

160 100 90 (3.54) 1

141C-GHU

141C-NFD125

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

Specifications

Table 1 - Short-circuit Current Rating (SCCR)

141C Crossboard® Mounting System Specifications

Cat. No. Description Rating SCCR [kA]

10 kA 600V — None (3-cycle)

141C-B225 Busbar base, 225 mm (8.86 in.) 600V/100 A

141C-B405 Busbar base, 405 mm (15.94 in.) 600V/100 A

141C-VN16 Connection module, 22.5 mm (0.89 in.) 600V/48 A

141C-VN50 Connection module, 45 mm (1.77 in.) 600V/100 A

141C-18S16L1
141C-18S16L2
141C-18S16L3

141C-18S63L1
141C-18S63L2
141C-18S63L3

141C-45R16 Busbar adapter, 3-pole, 45 mm (1.77 in.) 600V/12 A

141C-45R25 Busbar adapter, 3-pole, 45 mm (1.77 in.) 600V/25 A

141C-45R32 Busbar adapter, 3-pole, 45 mm (1.77 in.) 600V/30 A

141C-45R45 Busbar adapter, 3-pole, 45 mm (1.77 in.) 600V/45 A

141C-GGU
141C-GHU

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, 90 mm (3.54 in.) 600V/125 A

100 kA 480V 125 A Circuit breaker (DIVQ)

65 kA 600V 125 A Circuit breaker (DIVQ)

100 kA 600V 175 A Fuse (Class J)

10 kA 600V — None (3-cycle)

100 kA 480V 125 A Circuit breaker (DIVQ)

65 kA 600V 125 A Circuit breaker (DIVQ)

100 kA 600V 175 A Fuse (Class J)

6 kA 600V — None (3-cycle)

50 kA 600V 50 A Fuse (Class J)

10 kA 600V — None (3-cycle)

100 kA 480V 125 A Circuit breaker (DIVQ)

65 kA 600V 125 A Circuit breaker (DIVQ)

100 kA 600V 175 A Fuse (Class J)

6 kA 600V — None (3-cycle)

50 kA 600V 20 A Fuse (Class CC)

14 kA 480/277V 20 A Circuit breaker (DIVQ)

65 kA 480/277V 16 A NKJH type E

6 kA 600V — None (3-cycle)

10 kA 480/277V 30 A Circuit breaker (DIVQ)

65 kA 480/277V 65 A NKJH type E

5 kA 600V — None (3-cycle)
50 kA 600V 20 A Fuse (Class CC)
65 kA 480V 12 A NKJH type E

5 kA 600V — None (3-cycle)
65 kA 480V 32 A NKJH type E

5 kA 600V — None (3-cycle)
65 kA 480V 32 A NKJH type E

6 kA 600V — None (3-cycle)
65 kA 480V 55 A NKJH type E

10 kA 600V — None (3-cycle)

100 kA 480V 125 A Circuit breaker (DIVQ)

42 kA 600V 125 A Circuit breaker (DIVQ)

Protection

Vol tag e Cu rren t Typ e

Rockwell Automation Publication 141-TD001A-EN-P - April 2021 7

141C Crossboard® Mounting System Specifications

General Data

Table 2 - Main Circuits

Attribute Value

Rated insulation
voltage U

i

Rated impulse withstand voltage U
Rated frequency [Hz] 50…60

Pollution degree 2

Protection class

Standards Compliance

Certifications CE, cULus Listed

IEC, EN [V] 690
UL, CSA [V] 600

imp

Adapters and busbars IP00

Adapters and busbars mounted on

plate, connected conductors, and

usage of busbar covers

[kV] 6

•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

IP20

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 I

Flexible with ferrule

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.

(1)

th

[A] 16 25 32 45 16 63

2

[mm

[AWG] 14 12 10 8 14 8

2.5 4 6 10 2.5 10

]

Table 4 - Weights

Cat. No. Weight [g] Cat. No. Weight [g]

141C-VN16 182 141C-18S 44
141C-VN20 272 141C-45R 89
141C-B225 765 141C-45R16 109
141C-B405 1326 141C-45R25 117

141C-18S16L1 51 141C-45R32 124
141C-18S16L2 51 141C-GGU 519
141C-18S16L3 51 141C-GHU 519
141C-18S63L1 72 141C-45R45 150
141C-18S63L2 72 141C-X40 18
141C-18S63L3 72 141C-NFD125 422

141C-23S16F 92

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

141C Crossboard® Mounting System Approximate Dimensions

160.0
(6.3)

83

(3.27)

90.0 (3.54)

45.1 (1.78)

80

(3.15)

30.9 (1.22)

38.5

(1.52)

22.5

(0.89)

225 (8.86)

90.0 (3.54)

160.0
(6.3)

83

(3.27)

38.5

(1.52)

67.5 (2.66) 90.0 (3.54)

405 (15.94)

90.0 (3.54) 90.0 (3.54)

45.1

(1.78)

80

(3.15)

30.9

(1.22)

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

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

Rockwell Automation Publication 141-TD001A-EN-P - April 2021 9

141C Crossboard® Mounting System Approximate Dimensions

20.0

(0.79)

60.0

(2.36)

60.0

(2.36)

160.0
(6.3)

99.0 (3.9)

22.1

(0.87)

110.0 (4.33)

20.0

(0.79)

60.0

(2.36)

60.0

(2.36)

160.0
(6.3)

81.5 (3.21)

45.0 (1.77)

92.5 (3.64)

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

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

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

141C Crossboard® Mounting System Approximate Dimensions

160.0
(6.3)

45.0 (1.77)

20.0

(0.79)

60.0

(2.36)

60.0

(2.36)

55

(2.17)

24.5

(0.96)

160.0
(6.3)

45.0 (1.77)

20.0

(0.79)

60.0

(2.36)

60.0

(2.36)

55

(2.17)

24.5

(0.96)

120.0
(4.72)

10.0 (0.39)

Figure 5 - Cat. No. 141C-45R 3-Pole Adapter

Figure 6 - Cat. No. 141C-45R16 3-Pole Adapter

Figure 7 - Cat. No. 141C-R25, -R32, and -R45 3-Pole Adapters

10.0 (0.39)

100.0
(3.94)

20.0

60.0

(2.36)

60.0

(2.36)

(0.79)

160.0
(6.3)

45.0 (1.77)

55

(2.17)

24.5

(0.96)

Rockwell Automation Publication 141-TD001A-EN-P - April 2021 11

141C Crossboard® Mounting System Approximate Dimensions

45.1 (1.78) 24.5 (0.96)

46.0

(1.81)

39.8

(1.57)

160.0
(6.3)

60.0

(2.36)

20.0

(0.79)

22.3

(0.88)

60.0

(2.36)

22.5

(0.89)

62.5

(2.46)

75.0 (2.95)130.9 (5.15)

Figure 8 - Cat. No. 141C-X40 Adapter Extension Module

Figure 9 - Cat. No. 141C-23S16F Fuse Holder

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

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

25.0 (0.98)

20.0

(0.79)

60.0

(2.36)

60.0

(2.36)

160.0
(6.3)

90.0 (3.54)

22.6

(0.89)

35.0 (1.38)

181.9
(7.16)

114.5
(4.51)

26.2

(1.03)

15.0

(0.59)

30.0 (1.18)

20.0

(0.79)

60.0

(2.36)

60.0

(2.36)

160.0
(6.3)

90.0 (3.54)

22.6

(0.89)

35.0 (1.38)

181.9
(7.16)

114.5
(4.51)

26.2

(1.03)

15.0

(0.59)

141C Crossboard® Mounting System Approximate Dimensions

Figure 11 - Cat. No. 141C-GHU Breaker Adapter

Rockwell Automation Publication 141-TD001A-EN-P - April 2021 13

141C Crossboard® Mounting System Approximate Dimensions

160.0
(6.3)

18.0

(0.71)

20.0

(0.79)

55

(2.17)

60.0

(2.36)

60.0

(2.36)

25.0

(0.98)

160.0
(6.3)

18.0

(0.71)

25.0

(0.98)

20.0

(0.79)

60.0

(2.36)

60.0

(2.36)

55

(2.17)

100.0
(3.94)

10.0 (0.39)

160.0
(6.3)

18.0

(0.71)

25.0

(0.98)

20.0

(0.79)

60.0

(2.36)

60.0

(2.36)

55

(2.17)

100.0
(3.94)

10.0 (0.39)

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

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

Figure 14 - Cat. No. 141C-18S16L2 1-Pole Adapter

Figure 15 - Cat. No. 141C-18S16L3 1-Pole Adapter

10.0 (0.39)

160.0
(6.3)

18.0

(0.71)

60.0

(2.36)

55

(2.17)

25.0

(0.98)

60.0

(2.36)

60.0

(2.36)

20.0

(0.79)

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

Figure 16 - Cat. No. 141C-18S63L1, -L2, and -L3 1-Pole Adapters

20.0

(0.79)

60.0

(2.36)

60.0

(2.36)

18.0

(0.71)

16.6

(0.65)

49.5 (1.95)

174.5
(6.87)

16.6

(0.65)

85.0 (3.35)

95.8 (3.77)

10.0 (0.39)

100.0
(3.94)

20.0

60.0

(2.36)

60.0

(2.36)

(0.79)

160.0
(6.3)

55

(2.17)

141C Crossboard® Mounting System Approximate Dimensions

18.0

(0.71)

25.0

(0.98)

Figure 17 - Cat. No. NFD125 Fuse Switch Disconnector

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

abcdefg

ab cd

Bulletin Number Type Length Width

Code Description Code Description Code Description Code Description

141A Classic Mounting System G Standard busbar adapter S Short: 200 mm (7.87 in.) 45 45 mm (1.77 in.)

F Standard busbar adapter with terminals M Medium: 260 mm (10.2 in.) 54 54 mm (2.13 in.)
C Compact busbar adapter L Long: 320 mm (12.6 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.)

efg

Top Hat Rail Bottom Hat Rail Current Rating

Code Description Code Description Code Description

R Plastic hat rail R Rockwell Automation custom plastic rail Blank 0 A (no electrical connection)
S Plastic hat rail S Standard plastic rail 16 16 A

M Metal hat rail Blank No bottom rail 25 32 A

Screw mounting, variable

V

positions

45 63 A

125 125 A
200 200 A
250 250 A

Rockwell Automation Publication 141-TD001A-EN-P - April 2021 17