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

4503 Circuit Breakers

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

Results: 140

Applied Filters:

Manufacturer

Series

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 MS1B1045031BBA0AC

MS1-B-10-450-3-1BB-A-0AC
Carling Technologies
1: $104.39
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
MS1-B-10-450-3-1BB-A-0AC

Mouser Part No
691-MS1B14531BBAAC

Carling Technologies

Circuit Breakers MS1B1045031BBA0AC

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

$104.39

$92.44

$91.05

$90.49

View

Min.: 1
Mult.: 1

Circuit Breaker

Hydraulic Magnetic

5 A

65 VDC

1 Pole

Toggle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers MM1B3445033BABC

MM1-B-34-450-3-3BA-B-C
Carling Technologies
1: $48.65
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
MM1-B-34-450-3-3BA-B-C

Mouser Part No
691-MM1B344533BABC

Carling Technologies

Circuit Breakers MM1B3445033BABC

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

$48.65

$40.35

$29.98

Quote

Min.: 1
Mult.: 1

Circuit Breaker

Hydraulic Magnetic

5 A

125 VAC, 250 VAC

80 VDC

1 Pole

Paddle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers MM2B1045032DDBC

MM2-B-10-450-3-2DD-B-C
Carling Technologies
1: $98.55
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
MM2-B-10-450-3-2DD-B-C

Mouser Part No
691-MM2B14532DDBC

Carling Technologies

Circuit Breakers MM2B1045032DDBC

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

$98.55

$81.76

$75.42

$62.42

View

Min.: 1
Mult.: 1

Circuit Breakers MT1B144503A21BE

MT1-B-14-450-3-A21-B-E
Carling Technologies
1: $48.65
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
MT1-B-14-450-3-A21-B-E

Mouser Part No
691-MT1B14453A21BE

Carling Technologies

Circuit Breakers MT1B144503A21BE

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

$48.65

$40.35

$29.98

Quote

Min.: 1
Mult.: 1

Circuit Breaker

Hydraulic Magnetic

5 A

125 VAC, 250 VAC

80 VDC

1 Pole

Push-Pull

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers AM2B021450301C

AM2-B0-21-450-301-C
Carling Technologies
1: $146.34
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
AM2-B0-21-450-301-C

Mouser Part No
691-AM2B021450301C

Carling Technologies

Circuit Breakers AM2B021450301C

Datasheet

Non-Stocked Lead-Time 6 Weeks

$146.34

$123.54

$117.05

$97.54

$91.03

Min.: 1
Mult.: 1

Circuit Breaker

Hydraulic Magnetic

4.5 A

277 VAC

80 VDC

2 Pole

Toggle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers CA1B012450321MJ

CA1-B0-12-450-321-MJ
Carling Technologies
1: $68.24
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
CA1-B0-12-450-321-MJ

Mouser Part No
691-CA1B012450321MJ

Carling Technologies

Circuit Breakers CA1B012450321MJ

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

$68.24

$56.60

$35.32

Min.: 1
Mult.: 1

Circuit Breakers CA2B02445032AD

CA2-B0-24-450-32A-D
Carling Technologies
1: $152.80
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
CA2-B0-24-450-32A-D

Mouser Part No
691-CA2B02445032AD

Carling Technologies

Circuit Breakers CA2B02445032AD

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

$152.80

$129.01

$101.01

$89.70

$78.85

Min.: 1
Mult.: 1

Circuit Breakers CB2B014450321MG

CB2-B0-14-450-321-MG
Carling Technologies
1: $136.86
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
CB2-B0-14-450-321-MG

Mouser Part No
691-CB2B014450321MG

Carling Technologies

Circuit Breakers CB2B014450321MG

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

$136.86

$118.04

$90.42

$86.96

View

Min.: 1
Mult.: 1

Circuit Breakers C21B034450317I

C21-B0-34-450-317-I
Carling Technologies
1: $61.45
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
C21-B0-34-450-317-I

Mouser Part No
691-C21B034450317I

Carling Technologies

Circuit Breakers C21B034450317I

Datasheet

Non-Stocked Lead-Time 6 Weeks

$61.45

$53.32

$47.32

$47.30

View

Min.: 1
Mult.: 1

Circuit Breakers MS1B1445031BBA0AA

MS1-B-14-450-3-1BB-A-0AA
Carling Technologies
1: $119.79
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
MS1-B-14-450-3-1BB-A-0AA

Mouser Part No
691-S1B1445031BBA0AA

Carling Technologies

Circuit Breakers MS1B1445031BBA0AA

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

$119.79

$102.71

$70.56

$67.53

View

Min.: 1
Mult.: 1

Circuit Breakers CA2B016450321BG

CA2-B0-16-450-321-BG
Carling Technologies
1: $153.32
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
CA2-B0-16-450-321-BG

Mouser Part No
691-CA2B016450321BG

Carling Technologies

Circuit Breakers CA2B016450321BG

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

$153.32

$129.44

$101.36

$89.99

$79.09

Min.: 1
Mult.: 1

Circuit Breakers AF1B034450331C

AF1-B0-34-450-331-C
Carling Technologies
1: $60.76
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
AF1-B0-34-450-331-C

Mouser Part No
691-AF1B3445331C

Carling Technologies

Circuit Breakers AF1B034450331C

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

$60.76

$50.40

$46.50

$39.52

View

Min.: 1
Mult.: 1

277 VAC

80 VDC

Circuit Breakers EA2B02645032EEB

EA2-B0-26-450-32E-EB
Carling Technologies
1: $119.12
Non-Stocked Lead-Time 8 Weeks

Mfr. Part No.
EA2-B0-26-450-32E-EB

Mouser Part No
691-EA2B02645032EEB

Carling Technologies

Circuit Breakers EA2B02645032EEB

Datasheet

Non-Stocked Lead-Time 8 Weeks

$119.12

$104.17

$92.81

$92.49

View

Min.: 1
Mult.: 1

Circuit Breaker

Hydraulic Magnetic

5 A

600 VAC

125 VDC

2 Pole

Handle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers AB2B0344503B1C

AB2-B0-34-450-3B1-C
Carling Technologies
1: $129.27
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
AB2-B0-34-450-3B1-C

Mouser Part No
691-AB2B34453B1C

Carling Technologies

Circuit Breakers AB2B0344503B1C

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

$129.27

$124.42

$89.07

Min.: 1
Mult.: 1

Circuit Breaker

Hydraulic Magnetic

5 A

277 VAC

80 VDC

2 Pole

Handle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers AD1B0344503A2C

AD1-B0-34-450-3A2-C
Carling Technologies
1: $40.62
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
AD1-B0-34-450-3A2-C

Mouser Part No
691-AD1B0344503A2C

Carling Technologies

Circuit Breakers AD1B0344503A2C

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

$40.62

$39.23

$35.88

$35.49

View

Min.: 1
Mult.: 1

A UL1077

Hydraulic Magnetic Circuit Breaker

Hydraulic Magnetic

5 A

277 VAC

80 VDC

1 Pole

Rocker

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers MM1B3445032HABC

MM1-B-34-450-3-2HA-B-C
Carling Technologies
1: $50.17
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
MM1-B-34-450-3-2HA-B-C

Mouser Part No
691-MM1B344532HABC

Carling Technologies

Circuit Breakers MM1B3445032HABC

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

$50.17

$48.14

$36.92

$36.03

Quote

Min.: 1
Mult.: 1

125 VAC, 250 VAC

80 VDC

Circuit Breakers Mag Circuit Breaker

MF2-B-92-450-3-JC3-2-C
Carling Technologies
1: $137.01
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
MF2-B-92-450-3-JC3-2-C

Mouser Part No
691-MF2B924503JC32C

Carling Technologies

Circuit Breakers Mag Circuit Breaker

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

$137.01

$128.63

$94.69

$88.90

View

Min.: 1
Mult.: 1

Circuit Breaker

Hydraulic Magnetic

5 A

125 VAC, 250 VAC

80 VDC

2 Pole

Rocker

- 40 C

+ 85 C

Illuminated

Circuit Breakers Mag Circuit Breaker

MA2-B-10-450-3-A22-2-C
Carling Technologies
1: $109.55
Non-Stocked Lead-Time 13 Weeks

Mfr. Part No.
MA2-B-10-450-3-A22-2-C

Mouser Part No
691-MA2B104503A222C

Carling Technologies

Circuit Breakers Mag Circuit Breaker

Learn More

Datasheet

Non-Stocked Lead-Time 13 Weeks

$109.55

$102.80

$70.10

$70.08

View

Min.: 1
Mult.: 1

Circuit Breaker

Hydraulic Magnetic

5 A

125 VAC, 250 VAC

80 VDC

2 Pole

Rocker

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers MS1B1445031BBAA

MS1-B-14-450-3-1BB-A-A
Carling Technologies
1: $135.66
Non-Stocked Lead-Time 16 Weeks

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

Mouser Part No
691-MS1B1445031BBAA

Carling Technologies

Circuit Breakers MS1B1445031BBAA

Learn More

Datasheet

Non-Stocked Lead-Time 16 Weeks

$135.66

$108.59

$95.83

$95.24

View

Min.: 1
Mult.: 1

Circuit Breakers MG1B144503JC5BC

MG1-B-14-450-3-JC5-B-C
Carling Technologies
1: $65.90
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
MG1-B-14-450-3-JC5-B-C

Mouser Part No
691-MG1B144503JC5BC

Carling Technologies

Circuit Breakers MG1B144503JC5BC

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

$65.90

$54.67

$33.85

Min.: 1
Mult.: 1

125 VAC, 250 VAC

80 VDC

Circuit Breakers Cir Bkr, Hyd/Mag 1 Pole, Blk Act, 5A

EA1-B0-26-450-32E-FB
Carling Technologies
1: $50.75
Lead-Time 8 Weeks

Mfr. Part No.
EA1-B0-26-450-32E-FB

Mouser Part No
691-EA1B02645032EFB

Carling Technologies

Circuit Breakers Cir Bkr, Hyd/Mag 1 Pole, Blk Act, 5A

Learn More

Datasheet

Lead-Time 8 Weeks

$50.75

$47.77

$45.74

$45.26

View

Min.: 1
Mult.: 1

Circuit Breaker

Supplementary Protector

5 A

600 VAC

125 VDC

1 Pole

Handle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers AA1B0344503G1C

AA1-B0-34-450-3G1-C
Carling Technologies
1: $39.62
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
AA1-B0-34-450-3G1-C

Mouser Part No
691-AA1B0344503G1C

Carling Technologies

Circuit Breakers AA1B0344503G1C

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

$39.62

$39.59

$36.71

$36.50

View

Min.: 1
Mult.: 1

Circuit Breaker

Hydraulic Magnetic

5 A

277 VAC

80 VDC

1 Pole

Handle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers CA1B024450322C

CA1-B0-24-450-322-C
Carling Technologies
1: $58.03
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
CA1-B0-24-450-322-C

Mouser Part No
691-CA1B024450322C

Carling Technologies

Circuit Breakers CA1B024450322C

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

$58.03

$48.14

$29.76

Min.: 1
Mult.: 1

Circuit Breaker

Supplementary Protector

5 A

480 VAC

150 VDC

1 Pole

Handle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers CA1B214450321C

CA1-B2-14-450-321-C
Carling Technologies
1: $68.96
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
CA1-B2-14-450-321-C

Mouser Part No
691-CA1B214450321C

Carling Technologies

Circuit Breakers CA1B214450321C

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

$68.96

$57.21

$45.38

Quote

Min.: 1
Mult.: 1

Circuit Breaker

Hydraulic Magnetic

5 A

120 VAC, 240 VAC

1 Pole

Handle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers Cir Bkr, Hyd/Mag 2 Pole, Blk Act, 5A

EA2-B0-26-450-32E-HB
Carling Technologies
1: $90.29
Lead-Time 8 Weeks

Mfr. Part No.
EA2-B0-26-450-32E-HB

Mouser Part No
691-EA2B02645032EHB

Carling Technologies

Circuit Breakers Cir Bkr, Hyd/Mag 2 Pole, Blk Act, 5A

Learn More

Datasheet

Lead-Time 8 Weeks

$90.29

$87.93

$85.44

View

Min.: 1
Mult.: 1

Circuit Breaker

Supplementary Protector

5 A

600 VAC

125 VDC

2 Pole

Handle

- 40 C

+ 85 C

Non-Illuminated

4503 Circuit Breakers

Customer Service Office

Company

Resources

Support