.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 MS1B1245031CBA0AC

MS1-B-12-450-3-1CB-A-0AC
Carling Technologies
1: $120.37
Non-Stocked Lead-Time 9 Weeks

Mfr. Part No.
MS1-B-12-450-3-1CB-A-0AC

Mouser Part No
691-MS1B124531CBAAC

Carling Technologies

Circuit Breakers MS1B1245031CBA0AC

Learn More

Datasheet

Non-Stocked Lead-Time 9 Weeks

$120.37

$103.22

$95.49

$85.03

View

Min.: 1
Mult.: 1

Circuit Breaker

Hydraulic Magnetic

5 A

65 VDC

1 Pole

Toggle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers AF2B034450331C

AF2-B0-34-450-331-C
Carling Technologies
1: $131.45
Non-Stocked

Mfr. Part No.
AF2-B0-34-450-331-C

Mouser Part No
691-AF2B3445331C

Carling Technologies

Circuit Breakers AF2B034450331C

Learn More

Datasheet

Non-Stocked

$131.45

$109.96

$100.90

$94.52

View

Min.: 1
Mult.: 1

277 VAC

80 VDC

Circuit Breakers CA1B014450321BG

CA1-B0-14-450-321-BG
Carling Technologies
1: $68.24
Non-Stocked

Mfr. Part No.
CA1-B0-14-450-321-BG

Mouser Part No
691-CA1B014450321BG

Carling Technologies

Circuit Breakers CA1B014450321BG

Learn More

Datasheet

Non-Stocked

$68.24

$56.60

$44.95

$44.94

Quote

Min.: 1
Mult.: 1

Circuit Breaker

Supplementary Protector

5 A

240 VAC

125 VDC

1 Pole

Handle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers CG1B21245031BMG

CG1-B2-12-450-31B-MG
Carling Technologies
1: $88.11
Non-Stocked

Mfr. Part No.
CG1-B2-12-450-31B-MG

Mouser Part No
691-CG1B21245031BMG

Carling Technologies

Circuit Breakers CG1B21245031BMG

Datasheet

Non-Stocked

$88.11

$73.10

$45.51

Min.: 1
Mult.: 1

Circuit Breaker

Supplementary Protector

5 A

240 VAC

80 VDC

1 Pole

Rocker

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers AA1B0104503B2C

AA1-B0-10-450-3B2-C
Carling Technologies
1: $51.30
Non-Stocked

Mfr. Part No.
AA1-B0-10-450-3B2-C

Mouser Part No
691-AA1B1453B2C

Carling Technologies

Circuit Breakers AA1B0104503B2C

Learn More

Datasheet

Non-Stocked

$51.30

$45.93

$25.55

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 AD2B0344503A2C

AD2-B0-34-450-3A2-C
Carling Technologies
1: $131.45
Non-Stocked

Mfr. Part No.
AD2-B0-34-450-3A2-C

Mouser Part No
691-AD2B34453A2C

Carling Technologies

Circuit Breakers AD2B0344503A2C

Learn More

Datasheet

Non-Stocked

$131.45

$109.96

$104.19

$86.82

$81.04

Min.: 1
Mult.: 1

277 VAC

80 VDC

Circuit Breakers CA2B034450322C

CA2-B0-34-450-322-C
Carling Technologies
1: $143.50
Non-Stocked

Mfr. Part No.
CA2-B0-34-450-322-C

Mouser Part No
691-CA2B034450322C

Carling Technologies

Circuit Breakers CA2B034450322C

Learn More

Datasheet

Non-Stocked

$143.50

$121.15

$91.14

$91.11

View

Min.: 1
Mult.: 1

Circuit Breaker

Supplementary Protector

Circuit Breakers MD1B344503A32BC

MD1-B-34-450-3-A32-B-C
Carling Technologies
1: $44.52
Non-Stocked

Mfr. Part No.
MD1-B-34-450-3-A32-B-C

Mouser Part No
691-MD1B34453A32BC

Carling Technologies

Circuit Breakers MD1B344503A32BC

Learn More

Datasheet

Non-Stocked

$44.52

$43.30

$38.89

$38.31

View

Min.: 1
Mult.: 1

Circuit Breaker

Hydraulic Magnetic

5 A

125 VAC, 250 VAC

80 VDC

1 Pole

Rocker

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers MT1B144503A22BC

MT1-B-14-450-3-A22-B-C
Carling Technologies
1: $49.43
Non-Stocked

Mfr. Part No.
MT1-B-14-450-3-A22-B-C

Mouser Part No
691-MT1B14453A22BC

Carling Technologies

Circuit Breakers MT1B144503A22BC

Learn More

Datasheet

Non-Stocked

$49.43

$41.01

$24.78

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 CA2B02445031AD

CA2-B0-24-450-31A-D
Carling Technologies
1: $152.80
Non-Stocked

Mfr. Part No.
CA2-B0-24-450-31A-D

Mouser Part No
691-CA2B02445031AD

Carling Technologies

Circuit Breakers CA2B02445031AD

Learn More

Datasheet

Non-Stocked

$152.80

$129.01

$101.01

$89.70

$78.85

Min.: 1
Mult.: 1

Circuit Breakers MN2B1445032CABC

MN2-B-14-450-3-2CA-B-C
Carling Technologies
1: $79.36
Non-Stocked

Mfr. Part No.
MN2-B-14-450-3-2CA-B-C

Mouser Part No
691-MN2B1445032CABC

Carling Technologies

Circuit Breakers MN2B1445032CABC

Datasheet

Non-Stocked

$79.36

$68.90

$60.35

$59.62

View

Min.: 1
Mult.: 1

Hydraulic Magnetic Circuit Breaker

Rocker

Circuit Breakers MF1B144503JC6BJ

MF1-B-14-450-3-JC6-B-J
Carling Technologies
1: $85.29
Non-Stocked

Mfr. Part No.
MF1-B-14-450-3-JC6-B-J

Mouser Part No
691-MF1B144503JC6BJ

Carling Technologies

Circuit Breakers MF1B144503JC6BJ

Datasheet

Non-Stocked

$85.29

$70.76

$44.19

Min.: 1
Mult.: 1

Circuit Breakers MF1B344503JA22C

MF1-B-34-450-3-JA2-2-C
Carling Technologies
1: $70.00
Non-Stocked

Mfr. Part No.
MF1-B-34-450-3-JA2-2-C

Mouser Part No
691-MF1B344503JA22C

Carling Technologies

Circuit Breakers MF1B344503JA22C

Datasheet

Non-Stocked

$70.00

$58.07

$36.15

Min.: 1
Mult.: 1

Circuit Breakers MF2B344503FB32C

MF2-B-34-450-3-FB3-2-C
Carling Technologies
1: $117.29
Non-Stocked

Mfr. Part No.
MF2-B-34-450-3-FB3-2-C

Mouser Part No
691-MF2B34453FB32C

Carling Technologies

Circuit Breakers MF2B344503FB32C

Learn More

Datasheet

Non-Stocked

$117.29

$97.30

$82.51

$82.50

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 BA1B214450321MT

BA1-B2-14-450-321-MT
Carling Technologies
1: $56.91
Non-Stocked

Mfr. Part No.
BA1-B2-14-450-321-MT

Mouser Part No
691-BA1B214450321MT

Carling Technologies

Circuit Breakers BA1B214450321MT

Datasheet

Non-Stocked

$56.91

$53.29

$42.56

$42.55

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 AM1B034450301C

AM1-B0-34-450-301-C
Carling Technologies
1: $80.86
Non-Stocked

Mfr. Part No.
AM1-B0-34-450-301-C

Mouser Part No
691-AM1B034450301C

Carling Technologies

Circuit Breakers AM1B034450301C

Datasheet

Non-Stocked

$80.86

$67.07

$60.98

$57.43

View

Min.: 1
Mult.: 1

Circuit Breaker

Hydraulic Magnetic

4.5 A

277 VAC

80 VDC

1 Pole

Toggle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers MS1B1245031CBAC

MS1-B-12-450-3-1CB-A-C
Carling Technologies
1: $115.77
Non-Stocked

Mfr. Part No.
MS1-B-12-450-3-1CB-A-C

Mouser Part No
691-MS1B124531CBAC

Carling Technologies

Circuit Breakers MS1B1245031CBAC

Learn More

Datasheet

Non-Stocked

$115.77

$106.39

$97.04

$94.55

View

Min.: 1
Mult.: 1

Circuit Breakers MS1B1445031CBA0AC

MS1-B-14-450-3-1CB-A-0AC
Carling Technologies
1: $120.37
Non-Stocked

Mfr. Part No.
MS1-B-14-450-3-1CB-A-0AC

Mouser Part No
691-MS1B144531CBAAC

Carling Technologies

Circuit Breakers MS1B1445031CBA0AC

Learn More

Datasheet

Non-Stocked

$120.37

$103.22

$70.90

$67.83

View

Min.: 1
Mult.: 1

Circuit Breaker

Hydraulic Magnetic

5 A

65 VDC

1 Pole

Toggle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers CA1B212450321MJ

CA1-B2-12-450-321-MJ
Carling Technologies
1: $80.68
Non-Stocked

Mfr. Part No.
CA1-B2-12-450-321-MJ

Mouser Part No
691-CA1B212450321MJ

Carling Technologies

Circuit Breakers CA1B212450321MJ

Learn More

Datasheet

Non-Stocked

$80.68

$66.93

$41.13

Min.: 1
Mult.: 1

Circuit Breakers MS2B3445031CBA0NC

MS2-B-34-450-3-1CB-A-0NC
Carling Technologies
10: $156.92
Non-Stocked

Mfr. Part No.
MS2-B-34-450-3-1CB-A-0NC

Mouser Part No
691-S2B3445031CBA0NC

Carling Technologies

Circuit Breakers MS2B3445031CBA0NC

Learn More

Datasheet

Non-Stocked

$156.92

$154.39

$148.97

View

Min.: 10
Mult.: 1

Circuit Breakers MS2B2245031CBA0CC

MS2-B-22-450-3-1CB-A-0CC
Carling Technologies
10: $156.93
Non-Stocked

Mfr. Part No.
MS2-B-22-450-3-1CB-A-0CC

Mouser Part No
691-MS2B224531CBACC

Carling Technologies

Circuit Breakers MS2B2245031CBA0CC

Learn More

Datasheet

Non-Stocked

$156.93

$154.39

$149.24

View

Min.: 10
Mult.: 1

Circuit Breaker

Hydraulic Magnetic

5 A

120 VAC, 240 VAC

2 Pole

Toggle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers MF1B224503CE22C

MF1-B-22-450-3-CE2-2-C
Carling Technologies
1: $62.83
Non-Stocked

Mfr. Part No.
MF1-B-22-450-3-CE2-2-C

Mouser Part No
691-MF1B22453CE22C

Carling Technologies

Circuit Breakers MF1B224503CE22C

Learn More

Datasheet

Non-Stocked

$62.83

$52.11

$45.88

$45.87

Quote

Min.: 1
Mult.: 1

Circuit Breakers MT1B144503A24BJ

MT1-B-14-450-3-A24-B-J
Carling Technologies
1: $84.43
Non-Stocked

Mfr. Part No.
MT1-B-14-450-3-A24-B-J

Mouser Part No
691-MT1B14453A24BJ

Carling Technologies

Circuit Breakers MT1B144503A24BJ

Learn More

Datasheet

Non-Stocked

$84.43

$68.82

$53.14

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 MM1M1445032CABJ

MM1-M-14-450-3-2CA-B-J
Carling Technologies
1: $63.95
Non-Stocked

Mfr. Part No.
MM1-M-14-450-3-2CA-B-J

Mouser Part No
691-MM1M144532CABJ

Carling Technologies

Circuit Breakers MM1M1445032CABJ

Learn More

Datasheet

Non-Stocked

$63.95

$55.71

$49.86

$45.63

View

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 AA1B0264503D1C

AA1-B0-26-450-3D1-C
Carling Technologies
1: $51.30
Non-Stocked

Mfr. Part No.
AA1-B0-26-450-3D1-C

Mouser Part No
691-AA1B0264503D1C

Carling Technologies

Circuit Breakers AA1B0264503D1C

Learn More

Datasheet

Non-Stocked

$51.30

$45.93

$25.55

Min.: 1
Mult.: 1

Circuit Breaker

Hydraulic Magnetic

5 A

277 VAC

80 VDC

1 Pole

Handle

- 40 C

+ 85 C

Non-Illuminated

4503 Circuit Breakers

Customer Service Office

Company

Resources

Support