Circuit Breakers

 Circuit Breakers
Circuit breakers are resettable protective devices that automatically stop electrical flow when a circuit becomes overloaded, shorted, or otherwise unsafe. They help protect wiring, components, and systems from damage while reducing the risk of overheating and fire. Unlike fuses, circuit breakers can be reset after the fault is cleared, making them a reliable and reusable solution for circuit protection across a wide range of applications.
More...


Please view our selection of circuit breakers below.

Results: 151,507
Select Image Part # Mfr. Description Datasheet Availability Pricing (USD) Filter the results in the table by unit price based on your quantity. Qty. RoHS ECAD Model Series Product Type Current Rating Voltage Rating AC Voltage Rating DC Number of Poles Actuator Type Minimum Operating Temperature Maximum Operating Temperature Illuminated Packaging
TE Connectivity / P&B Circuit Breakers 5A 1 POLE TOGGLE 114In Stock
Min.: 1
Mult.: 1

W6 Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic 5 A 277 VAC 1 Pole Toggle - 40 C + 85 C Non-Illuminated
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER SWITCH 20A BLK 176In Stock
Min.: 1
Mult.: 1

W9 Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic 20 A 277 VAC 1 Pole Toggle - 40 C + 85 C Non-Illuminated


TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER SWITCH 15A BLK 62In Stock
Min.: 1
Mult.: 1

W9 Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic 15 A 277 VAC 1 Pole Toggle - 40 C + 85 C Non-Illuminated


E-T-A Circuit Breakers Very cost effective design to meet international requirements. No exposed metal parts which are current-carrying except for terminals. R-type TO CBE to EN 60934. Units built to order. For requests under 500 pcs contact Customer Servi 441In Stock
Min.: 1
Mult.: 1

1658 Thermal Circuit Breakers Overcurrent Protection 12 A 240 VAC 28 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated
E-T-A Circuit Breakers Single pole high performance thermal-magnetic circuit breaker with tease-free, trip-free, snap action mechanism and toggle actuation (S-type TM CBE to EN 60934). Options include auxiliary contacts, a moulded flame retardant enclosure for added enviro 2In Stock
Min.: 1
Mult.: 1
437 Thermal Circuit Breakers Thermal Magnetic Toggle
Phoenix Contact Circuit Breakers TMC 73C 20A 36In Stock
Min.: 1
Mult.: 1

TMC 7 Circuit Breakers Thermal Magnetic 20 A 277 VAC 3 Pole Lever - 35 C + 70 C Non-Illuminated
Phoenix Contact Circuit Breakers TMC 71D 10A 196In Stock
Min.: 1
Mult.: 1

TMC 7 Circuit Breakers Thermal Magnetic 10 A 277 VAC 60 VDC 1 Pole Lever - 35 C + 70 C Non-Illuminated
Phoenix Contact Circuit Breakers TMC 83C 04A 31In Stock
Min.: 1
Mult.: 1

TMC 8 Circuit Breakers Thermal Magnetic 4 A 240 VAC 3 Pole Lever - 35 C + 70 C Non-Illuminated
Phoenix Contact Circuit Breakers TMC 83C 06A 31In Stock
Min.: 1
Mult.: 1

TMC 8 Circuit Breakers Thermal Magnetic 6 A 240 VAC 3 Pole Lever - 35 C + 70 C Non-Illuminated
TE Connectivity / P&B Circuit Breakers 10A PUSH TO RESET 4,862In Stock
Min.: 1
Mult.: 1

W28 Thermal Circuit Breakers Thermal Magnetic 10 A 250 VAC 32 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated


TE Connectivity / P&B Circuit Breakers 5A 2-P Black Rocker P1 Switch P2 Trip QC 91In Stock
Min.: 1
Mult.: 1

W33 Thermal 5 A 250 VAC 50 VDC 2 Pole Rocker Non-Illuminated


TE Connectivity / P&B Circuit Breakers 7A PUSH TO RESET ST 454In Stock
Min.: 1
Mult.: 1

W58 Thermal Circuit Breakers Thermal Magnetic 7 A 250 VAC 50 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated Tray
TE Connectivity / P&B Circuit Breakers 1pole 20Amp Toggle Mag circuit breaker 140In Stock
Min.: 1
Mult.: 1

W6 Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic 20 A 277 VAC 1 Pole Toggle - 40 C + 85 C Non-Illuminated Tray
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER SWITCH 3A WHITE 48In Stock
Min.: 1
Mult.: 1

W6 Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic 3 A 277 VAC 2 Pole Toggle - 40 C + 85 C Non-Illuminated
Phoenix Contact Circuit Breakers TMC 72D 08A 66In Stock
Min.: 1
Mult.: 1

TMC 7 Circuit Breakers Thermal Magnetic 8 A 277 VAC 125 VDC 2 Pole Lever - 35 C + 70 C Non-Illuminated
Phoenix Contact Circuit Breakers CB TM1 16A SFB P 208In Stock
Min.: 1
Mult.: 1

CB TM1 Circuit Breakers Thermal Magnetic 16 A 50 VDC 1 Pole Slide - 30 C + 60 C Non-Illuminated
Phoenix Contact Circuit Breakers TMC 83D 02A 25In Stock
Min.: 1
Mult.: 1

TMC 8 Circuit Breakers Thermal Magnetic 2 A 240 VAC 3 Pole Lever - 35 C + 70 C Non-Illuminated


TE Connectivity / P&B Circuit Breakers 0.75A PUSH TO RESET 526In Stock
Min.: 1
Mult.: 1

W28 Thermal Circuit Breakers Thermal Magnetic 750 mA 250 VAC 32 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated


TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER THERMAL 13A BLK 538In Stock
Min.: 1
Mult.: 1

W28 Thermal Circuit Breakers Thermal Magnetic 13 A 250 VAC 32 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated
TE Connectivity / P&B Circuit Breakers 20A RCKR ACT RED ILL 863In Stock
Min.: 1
Mult.: 1

W51 Circuit Breakers Thermal 20 A 250 VAC 50 VDC 1 Pole Rocker 0 C + 60 C Illuminated


TE Connectivity Circuit Breakers CKTBKR,THERM,ROCK 709In Stock
Min.: 1
Mult.: 1

W51 Circuit Breakers Thermal 5 A 125 VAC 50 VDC 1 Pole Rocker 0 C + 50 C Non-Illuminated


TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER THERMAL 15A RED 1,062In Stock
Min.: 1
Mult.: 1

W51 Circuit Breakers Thermal 15 A 125 VAC 50 VDC 1 Pole Rocker 0 C + 60 C Non-Illuminated


TE Connectivity / P&B Circuit Breakers 1pole 10Amp Toggle Mag circuit breaker 102In Stock
Min.: 1
Mult.: 1

W6 Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic 10 A 277 VAC 1 Pole Toggle - 40 C + 85 C Non-Illuminated Tray
TE Connectivity / P&B Circuit Breakers 10A 1 POLE TOGGLE 129In Stock
Min.: 1
Mult.: 1

W6 Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic 10 A 65 VDC 1 Pole Toggle - 40 C + 85 C Non-Illuminated
Eaton Electrical Circuit Breakers IEC ONLY 3P 80A C CURVE 1In Stock
Min.: 1
Mult.: 1