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

Chassis Mount Circuit Breakers

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

Results: 360

Applied Filters:

Mounting Style = Chassis Mount

Manufacturer

Series

Product

Type

Current Rating

Voltage Rating AC

Voltage Rating DC

Number of Poles

Actuator

Minimum Operating Temperature

Maximum Operating Temperature

Illuminated

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; }

Part #

Circuit Breakers 508, 1P, DM, 24VDC, 1CH, 4A, No Comm

REX12-TA1-107-DC24V-4A
E-T-A
1: $49.40
43In Stock

Mfr. Part No.
REX12-TA1-107-DC24V-4A

Mouser Part No
457-T1107DC24V4

E-T-A

Circuit Breakers 508, 1P, DM, 24VDC, 1CH, 4A, No Comm

Learn More

Datasheet

43In Stock

$49.40

$44.22

$41.21

$37.01

View

Min.: 1
Mult.: 1

REX12-T

Circuit Breakers

Electronic

4 A

24 VDC

1 Pole

Push to Reset

- 25 C

+ 60 C

Illuminated

Circuit Breakers 508, 1P, DM, 24VDC, 1CH, 10A, No Comm

REX12-TA1-107-DC24V-10A
E-T-A
1: $59.32
63In Stock
179On Order

Mfr. Part No.
REX12-TA1-107-DC24V-10A

Mouser Part No
457-T1107DC24V10

E-T-A

Circuit Breakers 508, 1P, DM, 24VDC, 1CH, 10A, No Comm

Learn More

Datasheet

63In Stock

179On Order

$59.32

$48.54

$44.18

$37.91

$35.86

Min.: 1
Mult.: 1

REX12-T

Circuit Breakers

Electronic

10 A

24 VDC

1 Pole

Push to Reset

- 25 C

+ 60 C

Illuminated

Circuit Breakers 508, 1P, DM, 24VDC, 2CH, 2A/2A, No Comm

REX12-TA2-107-DC24V-2A/2A
E-T-A
1: $78.77
56In Stock

Mfr. Part No.
REX12-TA2-107-DC24V-2A/2A

Mouser Part No
457-T2107DC24V2/2

E-T-A

Circuit Breakers 508, 1P, DM, 24VDC, 2CH, 2A/2A, No Comm

Learn More

Datasheet

56In Stock

$78.77

$69.00

$63.64

$54.47

$51.39

Min.: 1
Mult.: 1

REX12-T

Electronic

2 A

24 VDC

2 Pole

Push to Reset

- 25 C

+ 60 C

Non-Illuminated

Circuit Breakers 508, 1P, DM, 24VDC, 2CH, 4A/4A, No Comm

REX12-TA2-107-DC24V-4A/4A
E-T-A
1: $74.15
33In Stock

Mfr. Part No.
REX12-TA2-107-DC24V-4A/4A

Mouser Part No
457-T2107DC24V4/4

E-T-A

Circuit Breakers 508, 1P, DM, 24VDC, 2CH, 4A/4A, No Comm

Learn More

Datasheet

33In Stock

$74.15

$63.84

$59.71

$51.74

$51.39

Min.: 1
Mult.: 1

REX12-T

Circuit Breakers

Electronic

4 A, 4 A

24 VDC

2 Pole

Push to Reset

- 25 C

+ 60 C

Illuminated

Circuit Breakers 508, 1P, DM, 24VDC, 2CH, 6A/6A, No Comm

REX12-TA2-107-DC24V-6A/6A
E-T-A
1: $74.64
91In Stock

Mfr. Part No.
REX12-TA2-107-DC24V-6A/6A

Mouser Part No
457-T2107DC24V6/6

E-T-A

Circuit Breakers 508, 1P, DM, 24VDC, 2CH, 6A/6A, No Comm

Learn More

Datasheet

91In Stock

$74.64

$64.26

$60.09

$54.47

$51.39

Min.: 1
Mult.: 1

REX12-T

Circuit Breakers

Electronic

6 A, 6 A

24 VDC

2 Pole

Push to Reset

- 25 C

+ 60 C

Illuminated

Circuit Breakers 508, 1P, DM, 24VDC, 1CH, 2A, No Comm

REX12-TA1-107-DC24V-2A
E-T-A
1: $58.80
8In Stock

Mfr. Part No.
REX12-TA1-107-DC24V-2A

Mouser Part No
457-T1107DC24V2

E-T-A

Circuit Breakers 508, 1P, DM, 24VDC, 1CH, 2A, No Comm

Learn More

Datasheet

8In Stock

$58.80

$49.93

$36.87

$35.94

$35.86

Min.: 1
Mult.: 1

REX12-T

Electronic

2 A

24 VDC

1 Pole

Push to Reset

- 25 C

+ 60 C

Non-Illuminated

Circuit Breakers 508, 1P, DM, 24VDC, 1CH, 3A, No Comm

REX12-TA1-107-DC24V-3A
E-T-A
1: $58.81
23In Stock

Mfr. Part No.
REX12-TA1-107-DC24V-3A

Mouser Part No
457-T1107DC24V3

E-T-A

Circuit Breakers 508, 1P, DM, 24VDC, 1CH, 3A, No Comm

Learn More

Datasheet

23In Stock

$58.81

$47.38

$43.76

$37.25

$35.86

Min.: 1
Mult.: 1

REX12-T

Circuit Breakers

Electronic

3 A

24 VDC

1 Pole

Push to Reset

- 25 C

+ 60 C

Illuminated

Circuit Breakers 508, 1P, DM, 24VDC, 1CH, 6A, No Comm

REX12-TA1-107-DC24V-6A
E-T-A
1: $60.20
11In Stock

Mfr. Part No.
REX12-TA1-107-DC24V-6A

Mouser Part No
457-T1107DC24V6

E-T-A

Circuit Breakers 508, 1P, DM, 24VDC, 1CH, 6A, No Comm

Learn More

Datasheet

11In Stock

$60.20

$52.46

$41.05

$39.76

View

Min.: 1
Mult.: 1

REX12-T

Circuit Breakers

Electronic

6 A

24 VDC

1 Pole

Push to Reset

- 25 C

+ 60 C

Illuminated

Circuit Breakers 508, 1P, DM, 24VDC, 1CH, 8A, No Comm

REX12-TA1-107-DC24V-8A
E-T-A
1: $59.95
1In Stock

Mfr. Part No.
REX12-TA1-107-DC24V-8A

Mouser Part No
457-T1107DC24V8

E-T-A

Circuit Breakers 508, 1P, DM, 24VDC, 1CH, 8A, No Comm

Learn More

Datasheet

1In Stock

$59.95

$51.11

$44.08

$38.26

$35.86

Min.: 1
Mult.: 1

REX12-T

Circuit Breakers

Electronic

8 A

24 VDC

1 Pole

Push to Reset

- 25 C

+ 60 C

Illuminated

Circuit Breakers 70-AMP BREAKER

185070F-13-1
Bussmann / Eaton
1: $47.67
58Expected 2026/12/28

Mfr. Part No.
185070F-13-1

Mouser Part No
504-185070F-13-1

Bussmann / Eaton

Circuit Breakers 70-AMP BREAKER

Datasheet

58Expected 2026/12/28

$47.67

$39.54

$31.26

$31.25

View

Min.: 1
Mult.: 1

18X Hi-Amp

Circuit Breakers

70 A

30 VDC

1 Pole

- 32 C

+ 82 C

Non-Illuminated

Bulk

Circuit Breakers 508, 1P, DM, 24VDC, 1CH, 1A, No Comm

REX12-TA1-107-DC24V-1A
E-T-A
1: $60.29
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
REX12-TA1-107-DC24V-1A

Mouser Part No
457-T1107DC24V1

E-T-A

Circuit Breakers 508, 1P, DM, 24VDC, 1CH, 1A, No Comm

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

$60.29

$43.41

$37.67

$36.58

$35.86

Min.: 1
Mult.: 1

REX12-T

Electronic

1 A

24 VDC

1 Pole

Push to Reset

- 25 C

+ 60 C

Non-Illuminated

Circuit Breakers BRKR 3VA21 3P 100A 200KA ETU3-LI NUT

3VA21100HL320AA0
Siemens
1: $1,642.62
Non-Stocked Lead-Time 3 Weeks

Mfr. Part No.
3VA21100HL320AA0

Mouser Part No
982-3VA21100HL320AA0

Siemens

Circuit Breakers BRKR 3VA21 3P 100A 200KA ETU3-LI NUT

Learn More

Datasheet

Non-Stocked Lead-Time 3 Weeks

$1,642.62

Min.: 1
Mult.: 1

3VA

Circuit Breakers

Line Protection

100 A

690 VAC

3 Pole

- 25 C

+ 70 C

Non-Illuminated

Circuit Breakers BRKR 3VA21 3P 100A 200KA ETU3-LI BOX

3VA21100HL360AA0
Siemens
1: $1,691.72
Non-Stocked Lead-Time 3 Weeks

Mfr. Part No.
3VA21100HL360AA0

Mouser Part No
982-3VA21100HL360AA0

Siemens

Circuit Breakers BRKR 3VA21 3P 100A 200KA ETU3-LI BOX

Learn More

Datasheet

Non-Stocked Lead-Time 3 Weeks

$1,691.72

Min.: 1
Mult.: 1

3VA

Circuit Breakers

Line Protection

100 A

690 VAC

3 Pole

- 25 C

+ 70 C

Non-Illuminated

Circuit Breakers BRKR 3VA21 4P 100A 200KA ETU3-LI NUT

3VA21100HL420AA0
Siemens
1: $2,194.51
Non-Stocked Lead-Time 3 Weeks

Mfr. Part No.
3VA21100HL420AA0

Mouser Part No
982-3VA21100HL420AA0

Siemens

Circuit Breakers BRKR 3VA21 4P 100A 200KA ETU3-LI NUT

Learn More

Datasheet

Non-Stocked Lead-Time 3 Weeks

$2,194.51

Min.: 1
Mult.: 1

3VA

Circuit Breakers

Line Protection

100 A

690 VAC

4 Pole

- 25 C

+ 70 C

Non-Illuminated

Circuit Breakers BRKR 3VA21 4P 100A 200KA ETU3-LI BOX

3VA21100HL460AA0
Siemens
1: $2,283.92
Non-Stocked Lead-Time 3 Weeks

Mfr. Part No.
3VA21100HL460AA0

Mouser Part No
982-3VA21100HL460AA0

Siemens

Circuit Breakers BRKR 3VA21 4P 100A 200KA ETU3-LI BOX

Learn More

Datasheet

Non-Stocked Lead-Time 3 Weeks

$2,283.92

Min.: 1
Mult.: 1

3VA

Circuit Breakers

Line Protection

100 A

690 VAC

4 Pole

- 25 C

+ 70 C

Non-Illuminated

Circuit Breakers BRKR 3VA21 3P 100A 200KA ETU3-LIG NUT

3VA21100HM320AA0
Siemens
1: $2,158.60
Non-Stocked Lead-Time 3 Weeks

Mfr. Part No.
3VA21100HM320AA0

Mouser Part No
982-3VA21100HM320AA0

Siemens

Circuit Breakers BRKR 3VA21 3P 100A 200KA ETU3-LIG NUT

Learn More

Datasheet

Non-Stocked Lead-Time 3 Weeks

$2,158.60

Min.: 1
Mult.: 1

3VA

Circuit Breakers

Line Protection

100 A

690 VAC

3 Pole

- 25 C

+ 70 C

Non-Illuminated

Circuit Breakers BRKR 3VA21 3P 100A 200KA ETU3-LIG BOX

3VA21100HM360AA0
Siemens
1: $2,212.15
Non-Stocked Lead-Time 3 Weeks

Mfr. Part No.
3VA21100HM360AA0

Mouser Part No
982-3VA21100HM360AA0

Siemens

Circuit Breakers BRKR 3VA21 3P 100A 200KA ETU3-LIG BOX

Learn More

Datasheet

Non-Stocked Lead-Time 3 Weeks

$2,212.15

Min.: 1
Mult.: 1

3VA

Circuit Breakers

Line Protection

100 A

690 VAC

3 Pole

- 25 C

+ 70 C

Non-Illuminated

Circuit Breakers BRKR 3VA21 4P 100A 200KA ETU3-LIG NUT

3VA21100HM420AA0
Siemens
1: $2,701.99
Non-Stocked Lead-Time 3 Weeks

Mfr. Part No.
3VA21100HM420AA0

Mouser Part No
982-3VA21100HM420AA0

Siemens

Circuit Breakers BRKR 3VA21 4P 100A 200KA ETU3-LIG NUT

Learn More

Datasheet

Non-Stocked Lead-Time 3 Weeks

$2,701.99

Min.: 1
Mult.: 1

3VA

Circuit Breakers

Line Protection

100 A

690 VAC

4 Pole

- 25 C

+ 70 C

Non-Illuminated

Circuit Breakers BRKR 3VA21 4P 100A 200KA ETU3-LIG BOX

3VA21100HM460AA0
Siemens
1: $2,755.25
Non-Stocked Lead-Time 3 Weeks

Mfr. Part No.
3VA21100HM460AA0

Mouser Part No
982-3VA21100HM460AA0

Siemens

Circuit Breakers BRKR 3VA21 4P 100A 200KA ETU3-LIG BOX

Learn More

Datasheet

Non-Stocked Lead-Time 3 Weeks

$2,755.25

Min.: 1
Mult.: 1

3VA

Circuit Breakers

Line Protection

100 A

690 VAC

4 Pole

- 25 C

+ 70 C

Non-Illuminated

Circuit Breakers BRKR 3VA21 3P 100A 200KA ETU3-LSI NUT

3VA21100HN320AA0
Siemens
1: $1,764.68
Non-Stocked Lead-Time 3 Weeks

Mfr. Part No.
3VA21100HN320AA0

Mouser Part No
982-3VA21100HN320AA0

Siemens

Circuit Breakers BRKR 3VA21 3P 100A 200KA ETU3-LSI NUT

Learn More

Datasheet

Non-Stocked Lead-Time 3 Weeks

$1,764.68

Min.: 1
Mult.: 1

3VA

Circuit Breakers

Line Protection

100 A

690 VAC

3 Pole

- 25 C

+ 70 C

Non-Illuminated

Circuit Breakers BRKR 3VA21 3P 100A 200KA ETU3-LSI BOX

3VA21100HN360AA0
Siemens
1: $1,814.29
Non-Stocked Lead-Time 3 Weeks

Mfr. Part No.
3VA21100HN360AA0

Mouser Part No
982-3VA21100HN360AA0

Siemens

Circuit Breakers BRKR 3VA21 3P 100A 200KA ETU3-LSI BOX

Learn More

Datasheet

Non-Stocked Lead-Time 3 Weeks

$1,814.29

Min.: 1
Mult.: 1

3VA

Circuit Breakers

Line Protection

100 A

690 VAC

3 Pole

- 25 C

+ 70 C

Non-Illuminated

Circuit Breakers BRKR 3VA21 4P 100A 200KA ETU3-LSI NUT

3VA21100HN420AA0
Siemens
1: $2,316.74
Non-Stocked Lead-Time 3 Weeks

Mfr. Part No.
3VA21100HN420AA0

Mouser Part No
982-3VA21100HN420AA0

Siemens

Circuit Breakers BRKR 3VA21 4P 100A 200KA ETU3-LSI NUT

Learn More

Datasheet

Non-Stocked Lead-Time 3 Weeks

$2,316.74

Min.: 1
Mult.: 1

3VA

Circuit Breakers

Line Protection

100 A

690 VAC

4 Pole

- 25 C

+ 70 C

Non-Illuminated

Circuit Breakers BRKR 3VA21 4P 100A 200KA ETU3-LSI BOX

3VA21100HN460AA0
Siemens
1: $2,353.35
Non-Stocked Lead-Time 3 Weeks

Mfr. Part No.
3VA21100HN460AA0

Mouser Part No
982-3VA21100HN460AA0

Siemens

Circuit Breakers BRKR 3VA21 4P 100A 200KA ETU3-LSI BOX

Learn More

Datasheet

Non-Stocked Lead-Time 3 Weeks

$2,353.35

Min.: 1
Mult.: 1

3VA

Circuit Breakers

Line Protection

100 A

690 VAC

4 Pole

- 25 C

+ 70 C

Non-Illuminated

Circuit Breakers BRKR 3VA21 3P 100A 200KA ETU8-LSI NUT

3VA21100KP320AA0
Siemens
1: $3,117.14
Non-Stocked Lead-Time 3 Weeks

Mfr. Part No.
3VA21100KP320AA0

Mouser Part No
982-3VA21100KP320AA0

Siemens

Circuit Breakers BRKR 3VA21 3P 100A 200KA ETU8-LSI NUT

Learn More

Datasheet

Non-Stocked Lead-Time 3 Weeks

$3,117.14

Min.: 1
Mult.: 1

3VA

Circuit Breakers

Line Protection

100 A

690 VAC

3 Pole

- 25 C

+ 70 C

Non-Illuminated

Circuit Breakers BRKR 3VA21 3P 100A 200KA ETU8-LSI BOX

3VA21100KP360AA0
Siemens
1: $3,049.73
Non-Stocked Lead-Time 3 Weeks

Mfr. Part No.
3VA21100KP360AA0

Mouser Part No
982-3VA21100KP360AA0

Siemens

Circuit Breakers BRKR 3VA21 3P 100A 200KA ETU8-LSI BOX

Learn More

Datasheet

Non-Stocked Lead-Time 3 Weeks

$3,049.73

Min.: 1
Mult.: 1

3VA

Circuit Breakers

Line Protection

100 A

690 VAC

3 Pole

- 25 C

+ 70 C

Non-Illuminated

Chassis Mount Circuit Breakers

Customer Service Office

Company

Resources

Support

1 A
2 A
3 A
4 A
4 A, 4 A
6 A
6 A, 6 A
8 A
10 A
25 A
40 A
50 A
63 A
70 A
80 A
90 A
100 A
110 A
120 A
125 A