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

MS Series Circuit Breakers

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

Results: 147

Applied Filters:

Series = MS

Product

Type

Current Rating

Voltage Rating AC

Voltage Rating DC

Number of Poles

Actuator Type

Minimum Operating Temperature

Maximum Operating Temperature

Illuminated

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 Sld Toggle Cir Brkr

MS1-B-10-430-2-1CB-A-A
Carling Technologies
1: $149.59
4In Stock

Mfr. Part No.
MS1-B-10-430-2-1CB-A-A

Mouser Part No
691-MS1B1043021CBAA

Carling Technologies

Circuit Breakers Sld Toggle Cir Brkr

Learn More

Datasheet

4In Stock

$149.59

$142.31

$74.52

$73.53

View

Min.: 1
Mult.: 1

Circuit Breaker

Supplementary Protector

3 A

50 VDC

1 Pole

Toggle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers MS1B1441021CAA0AC

MS1-B-14-410-2-1CA-A-0AC
Carling Technologies
1: $74.81
1In Stock

Mfr. Part No.
MS1-B-14-410-2-1CA-A-0AC

Mouser Part No
691-1B1441021CAA0AC

Carling Technologies

Circuit Breakers MS1B1441021CAA0AC

Learn More

Datasheet

1In Stock

$74.81

$69.91

$62.33

$62.11

View

Min.: 1
Mult.: 1

Circuit Breaker

Toggle

1 A

65 VDC

1 Pole

Toggle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers MS1B1448031BBAA

MS1-B-14-480-3-1BB-A-A
Carling Technologies
1: $87.75
5In Stock

Mfr. Part No.
MS1-B-14-480-3-1BB-A-A

Mouser Part No
691-MS1B1448031BBAA

Carling Technologies

Circuit Breakers MS1B1448031BBAA

Learn More

Datasheet

5In Stock

$87.75

$87.74

$74.19

Min.: 1
Mult.: 1

Circuit Breaker

Toggle

8 A

50 VDC

1 Pole

Toggle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers CIRCUIT BREAKER MS SERIES MIL

MS1-B-14-625-3-1BB-A-A
Carling Technologies
1: $81.47
6In Stock

Mfr. Part No.
MS1-B-14-625-3-1BB-A-A

Mouser Part No
691-MS1B1462531BBAA

Carling Technologies

Circuit Breakers CIRCUIT BREAKER MS SERIES MIL

Learn More

Datasheet

6In Stock

$81.47

$57.15

Min.: 1
Mult.: 1

Circuit Breaker

Toggle

25 A

50 VDC

1 Pole

Toggle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers Sld Toggle Cir Brkr

MS1-B-12-420-L-1CB-A-A
Carling Technologies
1: $94.66
6In Stock

Mfr. Part No.
MS1-B-12-420-L-1CB-A-A

Mouser Part No
691-MS1B12420L1CBAA

Carling Technologies

Circuit Breakers Sld Toggle Cir Brkr

Learn More

Datasheet

6In Stock

$94.66

$79.19

$49.60

$47.54

View

Min.: 1
Mult.: 1

Circuit Breaker

Supplementary Protector

2 A

65 VDC

1 Pole

Toggle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers MS2B2244021CDA0CB

MS2-B-22-440-2-1CD-A-0CB
Carling Technologies
1: $277.70
1In Stock

Mfr. Part No.
MS2-B-22-440-2-1CD-A-0CB

Mouser Part No
691-S2B2244021CDA0CB

Carling Technologies

Circuit Breakers MS2B2244021CDA0CB

Learn More

Datasheet

1In Stock

$277.70

$138.22

$126.46

$125.95

View

Min.: 1
Mult.: 1

Circuit Breaker

Toggle

4 A

120 VAC, 240 VAC

2 Pole

Toggle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers MS1B1462031CBAC

MS1-B-14-620-3-1CB-A-C
Carling Technologies
1: $86.81
5Expected 10/03/2026

Mfr. Part No.
MS1-B-14-620-3-1CB-A-C

Mouser Part No
691-MS1-B1462031CBAC

Carling Technologies

Circuit Breakers MS1B1462031CBAC

Learn More

Datasheet

5Expected 10/03/2026

$86.81

$68.58

$61.75

$60.35

View

Min.: 1
Mult.: 1

Circuit Breaker

Supplementary Protector

20 A

240 VAC

65 VDC

1 Pole

Toggle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers MS1B1461021CAA0AC

MS1-B-14-610-2-1CA-A-0AC
Carling Technologies
1: $76.87
10Expected 06/04/2026

Mfr. Part No.
MS1-B-14-610-2-1CA-A-0AC

Mouser Part No
691-MS1B1461021CAAAC

Carling Technologies

Circuit Breakers MS1B1461021CAA0AC

Learn More

Datasheet

10Expected 06/04/2026

$76.87

$70.22

$66.53

$65.80

View

Min.: 1
Mult.: 1

Circuit Breakers MS1B1462031BBAA

MS1-B-14-620-3-1BB-A-A
Carling Technologies
1: $96.07
3Expected 05/05/2026

Mfr. Part No.
MS1-B-14-620-3-1BB-A-A

Mouser Part No
691-MS1B1462031BBAA

Carling Technologies

Circuit Breakers MS1B1462031BBAA

Learn More

Datasheet

3Expected 05/05/2026

$96.07

$93.49

$74.19

Min.: 1
Mult.: 1

Circuit Breakers 2-pole, Sealed Toggle, 15 amp circuit breaker, Screw 8-32 with upturned lugs terminals, UL 1077 Recognized

MS2-B-34-615-2-1CB-A-0NC
Carling Technologies
1: $169.37
10Expected 13/02/2026

Mfr. Part No.
MS2-B-34-615-2-1CB-A-0NC

Mouser Part No
691-MS2B3461521CBA0N

Carling Technologies

Circuit Breakers 2-pole, Sealed Toggle, 15 amp circuit breaker, Screw 8-32 with upturned lugs terminals, UL 1077 Recognized

Learn More

Datasheet

10Expected 13/02/2026

$169.37

$140.95

$133.08

$110.00

Min.: 1
Mult.: 1

Circuit Breaker

Supplementary Protector

15 A

120 VAC, 240 VAC

65 VDC

2 Pole

Toggle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers MS2B6462021BAA0CA

MS2-B-64-620-2-1BA-A-0CA
Carling Technologies
1: $160.26
6Expected 27/04/2026

Mfr. Part No.
MS2-B-64-620-2-1BA-A-0CA

Mouser Part No
691-S2B6462021BAA0CA

Carling Technologies

Circuit Breakers MS2B6462021BAA0CA

Learn More

Datasheet

6Expected 27/04/2026

$160.26

$140.59

$131.74

$131.25

View

Min.: 1
Mult.: 1

Circuit Breakers Sld Toggle Cir Brkr

MS1-B-10-450-2-1CB-A-A
Carling Technologies
25: $67.40
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
MS1-B-10-450-2-1CB-A-A

Mouser Part No
691-MS1B1045021CBAA

Carling Technologies

Circuit Breakers Sld Toggle Cir Brkr

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

$67.40

$65.52

$60.26

View

Min.: 25
Mult.: 1

Circuit Breaker

Supplementary Protector

5 A

50 VDC

1 Pole

Toggle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers MS1B1022031CBAC

MS1-B-10-220-3-1CB-A-C
Carling Technologies
1: $65.74
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
MS1-B-10-220-3-1CB-A-C

Mouser Part No
691-MS1B12231CBAC

Carling Technologies

Circuit Breakers MS1B1022031CBAC

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

$65.74

$60.89

$56.60

View

Min.: 1
Mult.: 1

125 VAC, 250 VAC

65 VDC

Toggle

Circuit Breakers MS1B1261031CBAC

MS1-B-12-610-3-1CB-A-C
Carling Technologies
1: $83.49
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
MS1-B-12-610-3-1CB-A-C

Mouser Part No
691-MS1B126131CBAC

Carling Technologies

Circuit Breakers MS1B1261031CBAC

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

$83.49

$75.68

$66.26

$64.52

View

Min.: 1
Mult.: 1

125 VAC, 250 VAC

65 VDC

Toggle

Circuit Breakers Sld Toggle Cir Brkr

MS1-B-14-420-L-1CB-A-A
Carling Technologies
25: $60.63
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
MS1-B-14-420-L-1CB-A-A

Mouser Part No
691-MS1B14420L1CBAA

Carling Technologies

Circuit Breakers Sld Toggle Cir Brkr

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

$60.63

$56.16

View

Min.: 25
Mult.: 1

Circuit Breaker

Supplementary Protector

2 A

50 VDC

1 Pole

Toggle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers MS1B1442031CBAC

MS1-B-14-420-3-1CB-A-C
Carling Technologies
1: $80.63
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
MS1-B-14-420-3-1CB-A-C

Mouser Part No
691-MS1B144231CBAC

Carling Technologies

Circuit Breakers MS1B1442031CBAC

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

$80.63

$70.27

$62.80

$62.58

View

Min.: 1
Mult.: 1

125 VAC, 250 VAC

65 VDC

Toggle

Circuit Breakers MS1B1445031CBAC

MS1-B-14-450-3-1CB-A-C
Carling Technologies
1: $97.35
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
MS1-B-14-450-3-1CB-A-C

Mouser Part No
691-MS1B1445031CBAC

Carling Technologies

Circuit Breakers MS1B1445031CBAC

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

$97.35

$62.18

$60.64

$50.84

View

Min.: 1
Mult.: 1

Circuit Breaker

Supplementary Protector

5 A

65 VDC

1 Pole

Toggle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers MS1B14450L1CBAC

MS1-B-14-450-L-1CB-A-C
Carling Technologies
1: $84.21
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
MS1-B-14-450-L-1CB-A-C

Mouser Part No
691-MS1B1445L1CBAC

Carling Technologies

Circuit Breakers MS1B14450L1CBAC

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

$84.21

$72.21

$49.60

$47.54

View

Min.: 1
Mult.: 1

125 VAC, 250 VAC

65 VDC

Toggle

Circuit Breakers MS1B1461031CBAC

MS1-B-14-610-3-1CB-A-C
Carling Technologies
1: $76.28
Non-Stocked Lead-Time 11 Weeks

Mfr. Part No.
MS1-B-14-610-3-1CB-A-C

Mouser Part No
691-MS1B1461031CBAC

Carling Technologies

Circuit Breakers MS1B1461031CBAC

Learn More

Datasheet

Non-Stocked Lead-Time 11 Weeks

$76.28

$68.05

$66.04

$65.63

View

Min.: 1
Mult.: 1

Circuit Breaker

Supplementary Protector

10 A

65 VDC

1 Pole

Toggle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers Sld Toggle Cir Brkr

MS1-B-14-610-L-1CB-A-A
Carling Technologies
25: $50.34
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
MS1-B-14-610-L-1CB-A-A

Mouser Part No
691-MS1B14610L1CBAA

Carling Technologies

Circuit Breakers Sld Toggle Cir Brkr

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

$50.34

$47.54

$47.35

View

Min.: 25
Mult.: 1

Circuit Breaker

Supplementary Protector

10 A

125 VAC, 250 VAC

65 VDC

1 Pole

Toggle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers MS1B1461531CBAC

MS1-B-14-615-3-1CB-A-C
Carling Technologies
1: $97.35
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
MS1-B-14-615-3-1CB-A-C

Mouser Part No
691-MS1B1461531CBAC

Carling Technologies

Circuit Breakers MS1B1461531CBAC

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

$97.35

$61.91

$55.12

$50.70

View

Min.: 1
Mult.: 1

Circuit Breaker

Supplementary Protector

15 A

240 VAC

65 VDC

1 Pole

Toggle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers MS1B1462511BBAC

MS1-B-14-625-1-1BB-A-C
Carling Technologies
1: $78.01
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
MS1-B-14-625-1-1BB-A-C

Mouser Part No
691-MS1B1462511BBAC

Carling Technologies

Circuit Breakers MS1B1462511BBAC

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

$78.01

$67.99

$60.85

$60.64

View

Min.: 1
Mult.: 1

125 VAC, 250 VAC

65 VDC

Toggle

Circuit Breakers MS1B1462511BDAC

MS1-B-14-625-1-1BD-A-C
Carling Technologies
1: $83.79
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
MS1-B-14-625-1-1BD-A-C

Mouser Part No
691-MS1B1462511BDAC

Carling Technologies

Circuit Breakers MS1B1462511BDAC

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

$83.79

$71.85

$49.35

$47.31

View

Min.: 1
Mult.: 1

125 VAC, 250 VAC

65 VDC

Toggle

Circuit Breakers Sld Toggle Cir Brkr

MS1-B-14-630-3-1CB-A-A
Carling Technologies
25: $62.89
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
MS1-B-14-630-3-1CB-A-A

Mouser Part No
691-MS1B1463031CBAA

Carling Technologies

Circuit Breakers Sld Toggle Cir Brkr

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

$62.89

$58.00

View

Min.: 25
Mult.: 1

Circuit Breaker

Supplementary Protector

30 A

50 VDC

1 Pole

Toggle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers MS1B1463031CBAC

MS1-B-14-630-3-1CB-A-C
Carling Technologies
1: $81.67
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
MS1-B-14-630-3-1CB-A-C

Mouser Part No
691-MS1B1463031CBAC

Carling Technologies

Circuit Breakers MS1B1463031CBAC

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

$81.67

$72.11

$60.73

$60.46

View

Min.: 1
Mult.: 1

Circuit Breaker

Hydraulic-Magnetic

30 A

240 VAC

65 VDC

1 Pole

Toggle

- 40 C

+ 85 C

Non-Illuminated

MS Series Circuit Breakers

Customer Service Office

Company

Resources

Support