.hide-partial { max-height: none; } .show-more { display: none; }

Circuit Breaker Accessories

Circuit Breaker Accessories are available at Mouser from industry leading manufacturers. Mouser is an authorized distributor for many circuit breaker accessories. Mouser is an authorized distributor for many circuit breaker accessory manufacturers including ABB, Altech, AMP HEXSEAL, Eaton, E-T-A Circuit Breakers, Phoenix Contact, Siemens & more.

Please view our large selection of circuit breaker accessories below.

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Results: 12,664

Applied Filters:

Manufacturer

Series

Product

Type

Compliance

Packaging

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Download Table (.CSV)

Part #

Circuit Breaker Accessories 508, DM, 40A Supply Module, IOLink, ATEX

EM12D-TIO-000-DC24V-40A-E
E-T-A
1: $163.80
3In Stock
New Product

Mfr. Part No.
EM12D-TIO-000-DC24V-40A-E

Mouser Part No
457-EM12DTIO24V4AE

New Product

E-T-A

Circuit Breaker Accessories 508, DM, 40A Supply Module, IOLink, ATEX

Datasheet

3In Stock

$163.80

$135.83

$126.57

$104.24

View

Min.: 1
Mult.: 1

EM12-T

Breaker Module

Supply Module

Circuit Breaker Accessories 508, DM, 40A Supply Module, Modbus, ATEX

EM12D-TMB-000-DC24V-40A-E
E-T-A
1: $213.14
3In Stock
New Product

Mfr. Part No.
EM12D-TMB-000-DC24V-40A-E

Mouser Part No
457-EM12DTMB24V4AE

New Product

E-T-A

Circuit Breaker Accessories 508, DM, 40A Supply Module, Modbus, ATEX

Datasheet

3In Stock

$213.14

$176.65

$162.84

$134.57

View

Min.: 1
Mult.: 1

EM12-T

Breaker Module

Supply Module

Circuit Breaker Accessories 508, DM, 40A Distribution Module Standard, without Aux, ATEX

EM12-T00-000-DC24V-40A-E
E-T-A
1: $43.67
7In Stock
New Product

Mfr. Part No.
EM12-T00-000-DC24V-40A-E

Mouser Part No
457-EM12T00DC24V4AE

New Product

E-T-A

Circuit Breaker Accessories 508, DM, 40A Distribution Module Standard, without Aux, ATEX

Datasheet

7In Stock

$43.67

$36.22

$33.41

$28.00

View

Min.: 1
Mult.: 1

EM12-T

Breaker Module

Supply Module

Circuit Breaker Accessories 508, DM, 20A, Distribution Module, GND - OV

PM12-T03-00-GND-20A-E
E-T-A
1: $44.29
15In Stock
New Product

Mfr. Part No.
PM12-T03-00-GND-20A-E

Mouser Part No
457-PM12T0300GND2AE

New Product

E-T-A

Circuit Breaker Accessories 508, DM, 20A, Distribution Module, GND - OV

Datasheet

15In Stock

$44.29

$36.74

$33.90

$28.80

View

Min.: 1
Mult.: 1

PM12-T

Breaker Module

Potential Module

Circuit Breaker Accessories PTCB BE PT 6

1567576
Phoenix Contact
1: $12.63
30In Stock
New Product

Mfr. Part No.
1567576

Mouser Part No
651-1567576

New Product

Phoenix Contact

Circuit Breaker Accessories PTCB BE PT 6

Learn More

Datasheet

30In Stock

$12.63

$10.21

Min.: 1
Mult.: 1

Base Element

Circuit Breaker Accessories 508, DM, 20A, Distribution Module, Load, ATEX

PM12-T01-00-LOAD-20A-E
E-T-A
1: $48.52
6In Stock
New Product

Mfr. Part No.
PM12-T01-00-LOAD-20A-E

Mouser Part No
457-PM12T100LOAD2AE

New Product

E-T-A

Circuit Breaker Accessories 508, DM, 20A, Distribution Module, Load, ATEX

Datasheet

6In Stock

$48.52

$40.25

$37.13

$31.55

View

Min.: 1
Mult.: 1

PM12-T

Breaker Module

Potential Module

Circuit Breaker Accessories NQB L103

69D2660G11
Eaton Electrical
1: $9,019.89
3In Stock
New At Mouser

Mfr. Part No.
69D2660G11

Mouser Part No
504-69D2660G11

New At Mouser

Eaton Electrical

Circuit Breaker Accessories NQB L103

3In Stock

$9,019.89

Min.: 1
Mult.: 1

Circuit Breaker Accessories BRKR 3VA5/6 400A 3P LUG W/CVR 1W 2W

3VA93730JJ24
Siemens
1: $498.12
2In Stock

Mfr. Part No.
3VA93730JJ24

Mouser Part No
982-3VA93730JJ24

Siemens

Circuit Breaker Accessories BRKR 3VA5/6 400A 3P LUG W/CVR 1W 2W

Learn More

Datasheet

2In Stock

$498.12

$408.60

$397.62

View

Min.: 1
Mult.: 1

3VA

Terminal

Wire Connector

Circuit Breaker Accessories MPR SURGE SUPPRESSOR

MPR-SS
L-Com
1: $134.95
5In Stock
5On Order
New At Mouser

Mfr. Part No.
MPR-SS

Mouser Part No
17-MPR-SS

New At Mouser

L-Com

Circuit Breaker Accessories MPR SURGE SUPPRESSOR

5In Stock

5On Order

$134.95

$121.74

$120.26

$118.05

View

Min.: 1
Mult.: 1

Interconnect

Circuit Breaker Accessories KIT FCCUAL3X750KCMIL XT7/M F 3PCS

KXT7CUAL3X750KC-3
ABB
1: $717.65
12In Stock
New At Mouser

Mfr. Part No.
KXT7CUAL3X750KC-3

Mouser Part No
894-KXT7CUAL3X750KC3

New At Mouser

ABB

Circuit Breaker Accessories KIT FCCUAL3X750KCMIL XT7/M F 3PCS

Datasheet

12In Stock

$717.65

$594.50

$547.89

Min.: 1
Mult.: 1

Circuit Breaker Accessories FAZ UL BUS CONNECTOR- CONDUCTOR

BB-UL-TE/50
Eaton Electrical
1: $167.51
76In Stock
New At Mouser

Mfr. Part No.
BB-UL-TE/50

Mouser Part No
504-BB-UL-TE/50

New At Mouser

Eaton Electrical

Circuit Breaker Accessories FAZ UL BUS CONNECTOR- CONDUCTOR

76In Stock

$167.51

$138.90

$129.44

$106.60

$98.98

Min.: 1
Mult.: 1

FAZ

Busbar

Bus Connector

Circuit Breaker Accessories BREAKER 3VA6 TD300 ACTIVATE ETU, TRIP

3VA99770MA10
Siemens
1: $843.01
4In Stock
2On Order

Mfr. Part No.
3VA99770MA10

Mouser Part No
982-3VA99770MA10

Siemens

Circuit Breaker Accessories BREAKER 3VA6 TD300 ACTIVATE ETU, TRIP

Learn More

Datasheet

4In Stock

2On Order

$843.01

Min.: 1
Mult.: 1

3VA

Circuit Breaker Accessories STRAIGHT BUSBAR FOR 1 POLE (2210-T & 8340-T)

Y30849801
E-T-A
1: $130.91
5In Stock

Mfr. Part No.
Y30849801

Mouser Part No
457-Y30849801

E-T-A

Circuit Breaker Accessories STRAIGHT BUSBAR FOR 1 POLE (2210-T & 8340-T)

5In Stock

$130.91

$116.61

$100.78

$100.16

View

Min.: 1
Mult.: 1

Circuit Breaker Accessories BREAKER 3VA125,250 60 IN MAX FLEX CABLE

3VA92780CC30
Siemens
1: $692.93
4In Stock

Mfr. Part No.
3VA92780CC30

Mouser Part No
982-3VA92780CC30

Siemens

Circuit Breaker Accessories BREAKER 3VA125,250 60 IN MAX FLEX CABLE

Learn More

Datasheet

4In Stock

$692.93

$608.90

$572.02

Min.: 1
Mult.: 1

3VA

Cable

Bowden Cable

Circuit Breaker Accessories PD AUX&ALM SW 1NO/1NC PIGTAIL-30 INCHES

PDGXAC
Eaton Electrical
1: $213.10
11In Stock
New At Mouser

Mfr. Part No.
PDGXAC

Mouser Part No
504-PDGXAC

New At Mouser

Eaton Electrical

Circuit Breaker Accessories PD AUX&ALM SW 1NO/1NC PIGTAIL-30 INCHES

Datasheet

11In Stock

$213.10

$176.71

$164.66

$135.61

Quote

Min.: 1
Mult.: 1

Circuit Breaker Accessories AQB - L103 MAG ONLY W/ 2A2B AUX - UNREG

69D2660G25
Eaton Electrical
1: $18,909.26
24In Stock
New At Mouser

Mfr. Part No.
69D2660G25

Mouser Part No
504-69D2660G25

New At Mouser

Eaton Electrical

Circuit Breaker Accessories AQB - L103 MAG ONLY W/ 2A2B AUX - UNREG

24In Stock

$18,909.26

Min.: 1
Mult.: 1

Circuit Breaker Accessories BOOTSEAL 3/8 BLK SIL 200

1-1423696-5
TE Connectivity / P&B
1: $1.80
2,267In Stock
2,000On Order

Mfr. Part No.
1-1423696-5

Mouser Part No
571-114236965

TE Connectivity / P&B

Circuit Breaker Accessories BOOTSEAL 3/8 BLK SIL 200

Datasheet

2,267In Stock

2,000On Order

$1.80

$1.32

Min.: 1
Mult.: 1

W54

Boot

Silicone Rubber Protective Boot Bonded to Aluminum Nut for W54

Bulk

Circuit Breaker Accessories 711

294GB-5028
Amphenol LTD
1: $43.28
200In Stock
112On Order

Mfr. Part No.
294GB-5028

Mouser Part No
523-294GB-5028

Amphenol LTD

Circuit Breaker Accessories 711

200In Stock

112On Order

$43.28

$35.90

$33.11

$27.75

View

Min.: 1
Mult.: 1

38999

Circuit Breaker Accessories BREAKER GG MAX FLEX HANDLE 3R

MFHG3R
Siemens
1: $780.23
2In Stock

Mfr. Part No.
MFHG3R

Mouser Part No
982-MFHG3R

Siemens

Circuit Breaker Accessories BREAKER GG MAX FLEX HANDLE 3R

Datasheet

2In Stock

$780.23

Min.: 1
Mult.: 1

Accessory

Switch Operator

Circuit Breaker Accessories 508, DM, 40A Distribution Module, Standard, GND - 0 V, ATEX

EM12-T00-000-GND-40A-E
E-T-A
1: $21.26
7In Stock
New Product

Mfr. Part No.
EM12-T00-000-GND-40A-E

Mouser Part No
457-EM12T00GND4AE

New Product

E-T-A

Circuit Breaker Accessories 508, DM, 40A Distribution Module, Standard, GND - 0 V, ATEX

Datasheet

7In Stock

$21.26

$18.06

$17.12

$14.79

View

Min.: 1
Mult.: 1

EM12-T

Breaker Module

Supply Module

Circuit Breaker Accessories 508, DM, 40A, Distribution Module, Center, Line Seperated

EM12-T00-200-LINE-40A
E-T-A
1: $60.85
1In Stock

Mfr. Part No.
EM12-T00-200-LINE-40A

Mouser Part No
457-M12T00200LINE40A

E-T-A

Circuit Breaker Accessories 508, DM, 40A, Distribution Module, Center, Line Seperated

Datasheet

1In Stock

$60.85

$43.82

$40.60

$39.12

View

Min.: 1
Mult.: 1

Supply Module

Circuit Breaker Accessories LOCC-BOX-BKB 7-6430, 8 POLE MAX.SWITCHING CURRENT 6A

716430
LUTZE / Amphenol
1: $10.40
50In Stock
New At Mouser

Mfr. Part No.
716430

Mouser Part No
844-716430

New At Mouser

LUTZE / Amphenol

Circuit Breaker Accessories LOCC-BOX-BKB 7-6430, 8 POLE MAX.SWITCHING CURRENT 6A

Learn More

Datasheet

50In Stock

$10.40

$10.28

$8.73

$7.23

View

Min.: 1
Mult.: 1

LOCC-BOX Accessories

Accessory

Insulated Jumper

Bulk

Circuit Breaker Accessories MS116-165 PI FRONT MNT AUX 1NO/1NC

HKF1-11K
ABB
1: $63.27
1In Stock
New At Mouser

Mfr. Part No.
HKF1-11K

Mouser Part No
894-HKF1-11K

New At Mouser

ABB

Circuit Breaker Accessories MS116-165 PI FRONT MNT AUX 1NO/1NC

Datasheet

1In Stock

$63.27

$52.49

$48.42

$40.07

View

Min.: 1
Mult.: 1

Auxiliary Contact

1 NC

Circuit Breaker Accessories RHE_MB XT6 F/P M. BASE FOR ROTARY HANDLE

KXT6MRHESTFP
ABB
1: $306.92
2In Stock
New At Mouser

Mfr. Part No.
KXT6MRHESTFP

Mouser Part No
894-KXT6MRHESTFP

New At Mouser

ABB

Circuit Breaker Accessories RHE_MB XT6 F/P M. BASE FOR ROTARY HANDLE

2In Stock

$306.92

$254.38

$234.49

$193.73

Min.: 1
Mult.: 1

Circuit Breaker Accessories MCB BUS CUT 1-PHASE BCPD

PS1/57/25BP-C
ABB
1: $253.35
2In Stock
New At Mouser

Mfr. Part No.
PS1/57/25BP-C

Mouser Part No
894-PS1/57/25BP-C

New At Mouser

ABB

Circuit Breaker Accessories MCB BUS CUT 1-PHASE BCPD

2In Stock

More Info Available

$253.35

$224.91

$205.04

$180.10

View

Min.: 1
Mult.: 1

Circuit Breaker Accessories

Customer Service Office

Company

Resources

Support

3M
ABB
Altech
Amphenol
APM HEXSEAL
Banner Engineering
Bourns
Caplugs
Carling Technologies
Carlo Gavazzi
Eaton
Electroswitch
E-T-A Circuit Breakers
Hammond
IDEC
L-Com
Littelfuse
LUTZE
MEAN WELL
OmniOn Power
Omron
Panduit
Phoenix Contact
Schneider Electric
Schurter
Siemens
TE Connectivity
Weidmuller

3 Phase Busbar
15
489
508
740
1113
1658
3120
3131
9422
9510
38999
1200-BB
1768A40H
17PLUS
18PLUS
3120-F
3RA2
3RA6
3RV1

Accessories and Hardware
Accessory
Actuator
Adapter
Auxiliary Contact
Base Element
Block
Bonding Strap
Boot
Breaker Module
Busbar
Cable
Cable Rack
Cap
Case
Circuit Breaker
Circuit Breaker Enclosure
Combi Module
Connecting Piece
Connector

1 Phase
1 Phase Busbar
1 Pole Busbar
1 Pole Splash Cover
2 Phase Busbar
2 Pole Busbar
3 Phase Busbar
3 Pole Busbar
4 Pole Busbar
1 NC
1 NO, 1 NC
2 NC
2 NO
4 Unit Busbar
5 Unit Busbar
1 CO
6 Terminal
12 Terminal
18 Terminal
37 Terminal