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4503 Circuit Breakers

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Results: 140

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Part #

Circuit Breakers CIRCUIT BREAKER

AA1-B0-34-450-3D1-C
Carling Technologies
1: $25.10
4In Stock

Mfr. Part No.
AA1-B0-34-450-3D1-C

Mouser Part No
691-AA1B0344503D1C

Carling Technologies

Circuit Breakers CIRCUIT BREAKER

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Datasheet

4In Stock

$25.10

$23.74

$23.43

$22.96

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 1-pole, Handle, 5 amp circuit breaker, Screw 8-32 Bus Type terminals, UL 1077 Recognized CSA Accepted

AA1-B0-34-450-3B1-C
Carling Technologies
1: $36.78
19In Stock

Mfr. Part No.
AA1-B0-34-450-3B1-C

Mouser Part No
691-AA1B0344503B1C

Carling Technologies

Circuit Breakers 1-pole, Handle, 5 amp circuit breaker, Screw 8-32 Bus Type terminals, UL 1077 Recognized CSA Accepted

Learn More

Datasheet

19In Stock

$36.78

$30.16

$29.02

$22.03

View

Min.: 1
Mult.: 1

Circuit Breaker

Hydraulic-Magnetic

277 VAC

80 VDC

1 Pole

Handle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers Mag Circuit Breaker

MA2-B-34-450-3-A12-B-C
Carling Technologies
1: $70.76
2In Stock

Mfr. Part No.
MA2-B-34-450-3-A12-B-C

Mouser Part No
691-MA2B344503A12BC

Carling Technologies

Circuit Breakers Mag Circuit Breaker

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Datasheet

2In Stock

$70.76

$58.71

$43.68

$43.63

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 AM1B012450301I

AM1-B0-12-450-301-I
Carling Technologies
1: $60.56
9In Stock

Mfr. Part No.
AM1-B0-12-450-301-I

Mouser Part No
691-AM1B012450301I

Carling Technologies

Circuit Breakers AM1B012450301I

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Datasheet

9In Stock

$60.56

$50.24

$46.34

$39.86

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 AA2B0344503D2C

AA2-B0-34-450-3D2-C
Carling Technologies
1: $91.21
6In Stock

Mfr. Part No.
AA2-B0-34-450-3D2-C

Mouser Part No
691-AA2B0344503D2C

Carling Technologies

Circuit Breakers AA2B0344503D2C

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Datasheet

6In Stock

$91.21

$85.63

$63.41

$63.39

View

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 MM1B3445032DABC

MM1-B-34-450-3-2DA-B-C
Carling Technologies
1: $35.00
1In Stock

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

Mouser Part No
691-MM1B3445032DABC

Carling Technologies

Circuit Breakers MM1B3445032DABC

Learn More

Datasheet

1In Stock

$35.00

$29.03

$17.58

$17.57

Min.: 1
Mult.: 1

MM1

Circuit Breaker

Hydraulic-Magnetic

5 A

125 VAC, 250 VAC

80 VDC

1 Pole

Paddle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers CG1B01445031ABG

CG1-B0-14-450-31A-BG
Carling Technologies
1: $53.87
1In Stock

Mfr. Part No.
CG1-B0-14-450-31A-BG

Mouser Part No
691-CG1B01445031ABG

Carling Technologies

Circuit Breakers CG1B01445031ABG

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Datasheet

1In Stock

$53.87

$44.69

$27.66

$27.65

Min.: 1
Mult.: 1

Circuit Breakers CA2B0144503B1MG

CA2-B0-14-450-3B1-MG
Carling Technologies
1: $103.49
7In Stock

Mfr. Part No.
CA2-B0-14-450-3B1-MG

Mouser Part No
691-CA2B0144503B1MG

Carling Technologies

Circuit Breakers CA2B0144503B1MG

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Datasheet

7In Stock

$103.49

$83.55

$73.66

$72.99

View

Min.: 1
Mult.: 1

Circuit Breakers AD1B0344503B1C

AD1-B0-34-450-3B1-C
Carling Technologies
1: $37.76
9In Stock

Mfr. Part No.
AD1-B0-34-450-3B1-C

Mouser Part No
691-AD1B0344503B1C

Carling Technologies

Circuit Breakers AD1B0344503B1C

Datasheet

9In Stock

$37.76

$32.75

$31.00

$28.96

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 SUP PTOR 5SY4 1P+N 240V 3A 7.5K C-TRIP

5SY45037
Siemens
1: $118.23
Non-Stocked Lead-Time 4 Weeks

Mfr. Part No.
5SY45037

Mouser Part No
982-5SY45037

Siemens

Circuit Breakers SUP PTOR 5SY4 1P+N 240V 3A 7.5K C-TRIP

Learn More

Datasheet

Non-Stocked Lead-Time 4 Weeks

$118.23

Min.: 1
Mult.: 1

Circuit Breaker

Miniature

3 A

230 VAC

60 VDC

2 Pole

Lever

- 40 C

+ 70 C

Non-Illuminated

Circuit Breakers CIRCUIT BREAKER HYMAG

BA1-B3-24-450-3DA-KG
Carling Technologies
1: $68.51
7Stock Available

Mfr. Part No.
BA1-B3-24-450-3DA-KG

Mouser Part No
691-BA1B3244503DAKG

Carling Technologies

Circuit Breakers CIRCUIT BREAKER HYMAG

Datasheet

7Stock Available

More Info Available

$68.51

$50.35

$36.98

$36.79

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 SUP PTOR 5SY4 1P+N 240V 3A 7.5K D-TRIP

5SY45038
Siemens
1: $118.23
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
5SY45038

Mouser Part No
982-5SY45038

Siemens

Circuit Breakers SUP PTOR 5SY4 1P+N 240V 3A 7.5K D-TRIP

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

$118.23

Min.: 1
Mult.: 1

Circuit Breaker

Miniature

3 A

230 VAC

60 VDC

2 Pole

Lever

- 40 C

+ 70 C

Non-Illuminated

Circuit Breakers Cir Brkr Hyd Mag

IUG2-1REC4-24503-1
AIRPAX
1: $91.94
Non-Stocked Lead-Time 13 Weeks

Mfr. Part No.
IUG2-1REC4-24503-1

Mouser Part No
874-IUG21REC4245031

AIRPAX

Circuit Breakers Cir Brkr Hyd Mag

Learn More

Datasheet

Non-Stocked Lead-Time 13 Weeks

$91.94

Min.: 1
Mult.: 1

IUG

Circuit Breaker

Toggle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers CA1B034450322C

CA1-B0-34-450-322-C
Carling Technologies
1: $33.88
1In Stock

Mfr. Part No.
CA1-B0-34-450-322-C

Mouser Part No
691-CA1B034450322C

Carling Technologies

Circuit Breakers CA1B034450322C

Learn More

Datasheet

1In Stock

$33.88

$26.86

$26.79

$24.50

View

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 SUP PTOR 5SY4 1P+N 240V 3A 7.5K A-TRIP

5SY45035
Siemens
1: $118.23
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
5SY45035

Mouser Part No
982-5SY45035

Siemens

Circuit Breakers SUP PTOR 5SY4 1P+N 240V 3A 7.5K A-TRIP

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

$118.23

Min.: 1
Mult.: 1

Circuit Breaker

Miniature

3 A

230 VAC

60 VDC

2 Pole

Lever

- 40 C

+ 70 C

Non-Illuminated

Circuit Breakers MM1B3445033CBBC

MM1-B-34-450-3-3CB-B-C
Carling Technologies
1: $28.80
1In Stock

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

Mouser Part No
691-MM1B3445033CBBC

Carling Technologies

Circuit Breakers MM1B3445033CBBC

Learn More

Datasheet

1In Stock

$28.80

$22.54

$20.81

$20.57

View

Min.: 1
Mult.: 1

Circuit Breaker

Hydraulic-Magnetic

5 A

125 VAC, 250 VAC

80 VDC

1 Pole

Handle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers MT1S144503B24BJ

MT1-S-14-450-3-B24-B-J
Carling Technologies
1: $60.79
12In Stock

Mfr. Part No.
MT1-S-14-450-3-B24-B-J

Mouser Part No
691-MT1S144503B24BJ

Carling Technologies

Circuit Breakers MT1S144503B24BJ

Learn More

Datasheet

12In Stock

$60.79

$53.75

$51.88

$45.67

View

Min.: 1
Mult.: 1

Circuit Breaker

Hydraulic-Magnetic

5 A

125 VAC, 250 VAC

80 VDC

1 Pole

Push-Pull

- 40 C

+ 85 C

Illuminated

Circuit Breakers BA1B22445032AKG

BA1-B2-24-450-32A-KG
Carling Technologies
1: $62.85
1In Stock

Mfr. Part No.
BA1-B2-24-450-32A-KG

Mouser Part No
691-BA1B22445032AKG

Carling Technologies

Circuit Breakers BA1B22445032AKG

Learn More

Datasheet

1In Stock

$62.85

$44.17

$38.03

$37.72

View

Min.: 1
Mult.: 1

Circuit Breakers MD1B344503A15BC

MD1-B-34-450-3-A15-B-C
Carling Technologies
1: $43.56
5In Stock

Mfr. Part No.
MD1-B-34-450-3-A15-B-C

Mouser Part No
691-MD1B344503A15BC

Carling Technologies

Circuit Breakers MD1B344503A15BC

Learn More

Datasheet

5In Stock

$43.56

$28.88

$25.92

$25.73

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 MA1T144503A162C

MA1T144503A162C
Carling Technologies
1: $40.21
Non-Stocked

Mfr. Part No.
MA1T144503A162C

Mouser Part No
691-MA1T144503A162C

Carling Technologies

Circuit Breakers MA1T144503A162C

Learn More

Datasheet

Non-Stocked

$40.21

$39.58

$37.90

$34.89

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 ME1T344503A16BC

ME1T344503A16BC
Carling Technologies
1: $41.47
Non-Stocked

Mfr. Part No.
ME1T344503A16BC

Mouser Part No
691-ME1T344503A16BC

Carling Technologies

Circuit Breakers ME1T344503A16BC

Learn More

Datasheet

Non-Stocked

$41.47

$40.81

$39.08

$35.98

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 CIRCUIT BREAKER

CC1-B0-12-450-34B-MG
Carling Technologies
1: $40.51
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
CC1-B0-12-450-34B-MG

Mouser Part No
691-CC1B01245034BMG

Carling Technologies

Circuit Breakers CIRCUIT BREAKER

Datasheet

Non-Stocked Lead-Time 12 Weeks

$40.51

$36.22

$36.12

$32.58

View

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 CIRCUIT BREAKER

AG1-B2-12-450-313-AT
Carling Technologies
1: $39.23
Non-Stocked Lead-Time 8 Weeks

Mfr. Part No.
AG1-B2-12-450-313-AT

Mouser Part No
691-AG1B212450313AT

Carling Technologies

Circuit Breakers CIRCUIT BREAKER

Learn More

Datasheet

Non-Stocked Lead-Time 8 Weeks

$39.23

$38.47

$35.78

$35.45

View

Min.: 1
Mult.: 1

Circuit Breaker

Hydraulic-Magnetic

5 A

277 VAC

80 VDC

1 Pole

Rocker

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers Carling Technologies

MT1-B-14-450-3-A23-B-J
Carling Technologies
1: $43.36
11Expected 20/03/2026

Mfr. Part No.
MT1-B-14-450-3-A23-B-J

Mouser Part No
691-MT1B144503A23BJ

Carling Technologies

Circuit Breakers Carling Technologies

Learn More

Datasheet

11Expected 20/03/2026

$43.36

$34.27

$33.98

$33.96

View

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 Cir Brkr Hyd Mag

IPA-66-1REC4-50-30.0-A-01
AIRPAX
1: $106.93
Non-Stocked Lead-Time 7 Weeks

Mfr. Part No.
IPA-66-1REC4-50-30.0-A-01

Mouser Part No
874-IPA661REC45030A1

AIRPAX

Circuit Breakers Cir Brkr Hyd Mag

Datasheet

Non-Stocked Lead-Time 7 Weeks

$106.93

Min.: 1
Mult.: 1

Circuit Breaker

Hydraulic-Magnetic

30 A

2 Pole

Toggle

- 40 C

+ 85 C

Non-Illuminated

4503 Circuit Breakers

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