.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 MS1B1245031CBAC

MS1-B-12-450-3-1CB-A-C
Carling Technologies
1: $129.10
Non-Stocked Lead-Time 6 Weeks

Mfr. Part #
MS1-B-12-450-3-1CB-A-C

Mouser Part #
691-MS1B124531CBAC

Carling Technologies

Circuit Breakers MS1B1245031CBAC

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

$129.10

$118.64

$108.21

$105.43

View

Min.: 1
Mult.: 1

Circuit Breakers MT1B144503A24BJ

MT1-B-14-450-3-A24-B-J
Carling Technologies
1: $94.15
Non-Stocked Lead-Time 6 Weeks

Mfr. Part #
MT1-B-14-450-3-A24-B-J

Mouser Part #
691-MT1B14453A24BJ

Carling Technologies

Circuit Breakers MT1B144503A24BJ

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

$94.15

$76.74

$59.26

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 MF1B224503CE22C

MF1-B-22-450-3-CE2-2-C
Carling Technologies
1: $70.06
Non-Stocked Lead-Time 6 Weeks

Mfr. Part #
MF1-B-22-450-3-CE2-2-C

Mouser Part #
691-MF1B22453CE22C

Carling Technologies

Circuit Breakers MF1B224503CE22C

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

$70.06

$58.11

$51.17

$51.15

Quote

Min.: 1
Mult.: 1

Circuit Breakers MS2B2245031CBA0CC

MS2-B-22-450-3-1CB-A-0CC
Carling Technologies
10: $175.00
Non-Stocked Lead-Time 6 Weeks

Mfr. Part #
MS2-B-22-450-3-1CB-A-0CC

Mouser Part #
691-MS2B224531CBACC

Carling Technologies

Circuit Breakers MS2B2245031CBA0CC

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

$175.00

$172.16

$166.42

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 MS1B1445031CBA0AC

MS1-B-14-450-3-1CB-A-0AC
Carling Technologies
1: $134.23
Non-Stocked Lead-Time 6 Weeks

Mfr. Part #
MS1-B-14-450-3-1CB-A-0AC

Mouser Part #
691-MS1B144531CBAAC

Carling Technologies

Circuit Breakers MS1B1445031CBA0AC

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

$134.23

$115.10

$79.07

$75.64

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: $89.96
Non-Stocked Lead-Time 6 Weeks

Mfr. Part #
CA1-B2-12-450-321-MJ

Mouser Part #
691-CA1B212450321MJ

Carling Technologies

Circuit Breakers CA1B212450321MJ

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

$89.96

$74.63

$45.86

Min.: 1
Mult.: 1

Circuit Breakers AM1B034450301C

AM1-B0-34-450-301-C
Carling Technologies
1: $90.16
Non-Stocked Lead-Time 6 Weeks

Mfr. Part #
AM1-B0-34-450-301-C

Mouser Part #
691-AM1B034450301C

Carling Technologies

Circuit Breakers AM1B034450301C

Datasheet

Non-Stocked Lead-Time 6 Weeks

$90.16

$74.79

$68.00

$64.05

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 MS2B3445031CBA0NC

MS2-B-34-450-3-1CB-A-0NC
Carling Technologies
10: $174.98
Non-Stocked Lead-Time 6 Weeks

Mfr. Part #
MS2-B-34-450-3-1CB-A-0NC

Mouser Part #
691-S2B3445031CBA0NC

Carling Technologies

Circuit Breakers MS2B3445031CBA0NC

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

$174.98

$172.16

$166.11

View

Min.: 10
Mult.: 1

Circuit Breakers C51B03445031BI

C51-B0-34-450-31B-I
Carling Technologies
1: $75.49
Non-Stocked Lead-Time 6 Weeks

Mfr. Part #
C51-B0-34-450-31B-I

Mouser Part #
691-C51B03445031BI

Carling Technologies

Circuit Breakers C51B03445031BI

Datasheet

Non-Stocked Lead-Time 6 Weeks

$75.49

$65.52

$57.77

$57.75

View

Min.: 1
Mult.: 1

Circuit Breakers BA1B22145032AKG

BA1-B2-21-450-32A-KG
Carling Technologies
1: $51.91
Non-Stocked Lead-Time 6 Weeks

Mfr. Part #
BA1-B2-21-450-32A-KG

Mouser Part #
691-BA1B22145032AKG

Carling Technologies

Circuit Breakers BA1B22145032AKG

Datasheet

Non-Stocked Lead-Time 6 Weeks

$51.91

$45.90

$40.28

$40.11

View

Min.: 1
Mult.: 1

Circuit Breakers C22B02445031ACG

C22-B0-24-450-31A-CG
Carling Technologies
10: $113.46
Non-Stocked Lead-Time 6 Weeks

Mfr. Part #
C22-B0-24-450-31A-CG

Mouser Part #
691-C22B02445031ACG

Carling Technologies

Circuit Breakers C22B02445031ACG

Datasheet

Non-Stocked Lead-Time 6 Weeks

$113.46

$113.04

$108.87

View

Min.: 10
Mult.: 1

Circuit Breakers C62B01445031BMG

C62-B0-14-450-31B-MG
Carling Technologies
10: $120.78
Non-Stocked Lead-Time 6 Weeks

Mfr. Part #
C62-B0-14-450-31B-MG

Mouser Part #
691-C62B01445031BMG

Carling Technologies

Circuit Breakers C62B01445031BMG

Datasheet

Non-Stocked Lead-Time 6 Weeks

$120.78

$120.65

$115.72

View

Min.: 10
Mult.: 1

Circuit Breakers BA1B22445031AKG

BA1-B2-24-450-31A-KG
Carling Technologies
1: $61.19
Non-Stocked Lead-Time 6 Weeks

Mfr. Part #
BA1-B2-24-450-31A-KG

Mouser Part #
691-BA1B22445031AKG

Carling Technologies

Circuit Breakers BA1B22445031AKG

Datasheet

Non-Stocked Lead-Time 6 Weeks

$61.19

$53.12

$47.46

$47.45

View

Min.: 1
Mult.: 1

Circuit Breakers EA1B01445032EBB

EA1-B0-14-450-32E-BB
Carling Technologies
1: $59.68
Non-Stocked Lead-Time 8 Weeks

Mfr. Part #
EA1-B0-14-450-32E-BB

Mouser Part #
691-EA1B01445032EBB

Carling Technologies

Circuit Breakers EA1B01445032EBB

Datasheet

Non-Stocked Lead-Time 8 Weeks

$59.68

$52.78

$46.14

$45.94

View

Min.: 1
Mult.: 1

Circuit Breakers AG1B210450313C

AG1-B2-10-450-313-C
Carling Technologies
Non-Stocked
Factory Special Order

Mfr. Part #
AG1-B2-10-450-313-C

Mouser Part #
691-AG1B2145313C

Factory Special Order

Carling Technologies

Circuit Breakers AG1B210450313C

Datasheet

Non-Stocked

Quote

Circuit Breaker

Supplementary Protector

277 VAC

80 VDC

Circuit Breakers Mag Circuit Breaker

MA2-B-10-450-3-A22-2-C
Carling Technologies
1: $122.16
Non-Stocked Lead-Time 13 Weeks

Mfr. Part #
MA2-B-10-450-3-A22-2-C

Mouser Part #
691-MA2B104503A222C

Carling Technologies

Circuit Breakers Mag Circuit Breaker

Learn More

Datasheet

Non-Stocked Lead-Time 13 Weeks

$122.16

$114.64

$78.17

$78.15

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: $151.28
Non-Stocked Lead-Time 15 Weeks

Mfr. Part #
MS1-B-14-450-3-1BB-A-A

Mouser Part #
691-MS1B1445031BBAA

Carling Technologies

Circuit Breakers MS1B1445031BBAA

Learn More

Datasheet

Non-Stocked Lead-Time 15 Weeks

$151.28

$121.09

$106.86

$106.21

View

Min.: 1
Mult.: 1

Circuit Breakers CA1B024450322C

CA1-B0-24-450-322-C
Carling Technologies
1: $64.71
Non-Stocked Lead-Time 6 Weeks

Mfr. Part #
CA1-B0-24-450-322-C

Mouser Part #
691-CA1B024450322C

Carling Technologies

Circuit Breakers CA1B024450322C

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

$64.71

$53.68

$33.19

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 AM2B032450301C

AM2-B0-32-450-301-C
Carling Technologies
1: $118.68
Non-Stocked Lead-Time 6 Weeks

Mfr. Part #
AM2-B0-32-450-301-C

Mouser Part #
691-AM2B032450301C

Carling Technologies

Circuit Breakers AM2B032450301C

Datasheet

Non-Stocked Lead-Time 6 Weeks

$118.68

$107.54

$97.26

$97.25

View

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 AM2B011450301C

AM2-B0-11-450-301-C
Carling Technologies
1: $163.18
Non-Stocked Lead-Time 6 Weeks

Mfr. Part #
AM2-B0-11-450-301-C

Mouser Part #
691-AM2B011450301C

Carling Technologies

Circuit Breakers AM2B011450301C

Datasheet

Non-Stocked Lead-Time 6 Weeks

$163.18

$137.76

$130.53

$108.76

$101.51

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 CS1B012450321MJ

CS1-B0-12-450-321-MJ
Carling Technologies
1: $60.76
Non-Stocked Lead-Time 6 Weeks

Mfr. Part #
CS1-B0-12-450-321-MJ

Mouser Part #
691-CS1B012450321MJ

Carling Technologies

Circuit Breakers CS1B012450321MJ

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

$60.76

$52.73

$47.15

$47.14

View

Min.: 1
Mult.: 1

Circuit Breakers MM2B1445032BABC

MM2-B-14-450-3-2BA-B-C
Carling Technologies
1: $109.07
Non-Stocked Lead-Time 6 Weeks

Mfr. Part #
MM2-B-14-450-3-2BA-B-C

Mouser Part #
691-MM2B1445032BABC

Carling Technologies

Circuit Breakers MM2B1445032BABC

Datasheet

Non-Stocked Lead-Time 6 Weeks

$109.07

$90.50

$55.82

Min.: 1
Mult.: 1

Circuit Breakers MS1B1445031CAA0AC

MS1-B-14-450-3-1CA-A-0AC
Carling Technologies
1: $133.53
Non-Stocked Lead-Time 6 Weeks

Mfr. Part #
MS1-B-14-450-3-1CA-A-0AC

Mouser Part #
691-S1B1445031CAA0AC

Carling Technologies

Circuit Breakers MS1B1445031CAA0AC

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

$133.53

$114.50

$78.66

$75.27

View

Min.: 1
Mult.: 1

Circuit Breakers MT1B124503C23BT

MT1-B-12-450-3-C23-B-T
Carling Technologies
1: $77.50
Non-Stocked Lead-Time 8 Weeks

Mfr. Part #
MT1-B-12-450-3-C23-B-T

Mouser Part #
691-MT1B124503C23BT

Carling Technologies

Circuit Breakers MT1B124503C23BT

Datasheet

Non-Stocked Lead-Time 8 Weeks

$77.50

$64.29

$40.05

Min.: 1
Mult.: 1

Circuit Breakers AM1B011450301C

AM1-B0-11-450-301-C
Carling Technologies
1: $90.16
Non-Stocked Lead-Time 6 Weeks

Mfr. Part #
AM1-B0-11-450-301-C

Mouser Part #
691-AM1B011450301C

Carling Technologies

Circuit Breakers AM1B011450301C

Datasheet

Non-Stocked Lead-Time 6 Weeks

$90.16

$74.79

$68.99

$59.35

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

4503 Circuit Breakers

Mouser Electronics®

Company

Resources

Support