Circuit Breakers

 Circuit Breakers
Circuit breakers are in stock with same-day shipping at Mouser from leading manufacturers. Mouser is an authorized distributor for many circuit breaker manufacturers including ABB, Carling Technologies, Eaton, E-T-A Circuit Breakers, Phoenix Contact, Sensata, Schurter, Siemens, TE Connectivity & more.
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Please view our large selection of circuit breakers below.

Results: 151,553
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
Omron Automation and Safety Circuit Breakers DC-Circuit Protector,4 out,UL2 21In Stock
Min.: 1
Mult.: 1
S8V-CP Circuit Breakers Electronic 3.8 A 24 VDC 4 Pole Pushbutton - 25 C + 70 C Non-Illuminated


TE Connectivity / P&B Circuit Breakers 10A 2-P Illum Amber P1 & P2 Trip QC 213In Stock
Min.: 1
Mult.: 1

W33 Circuit Breakers Thermal 10 A 250 VAC 50 VDC 2 Pole Rocker - 20 C + 60 C Illuminated
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER SWITCH 30A BLK 158In Stock
Min.: 1
Mult.: 1

W9 Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic 30 A 277 VAC 1 Pole Toggle - 40 C + 85 C Non-Illuminated


TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER SWITCH 20A BLK 121In Stock
Min.: 1
Mult.: 1

W9 Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic 20 A 65 VDC 1 Pole Toggle - 40 C + 85 C Non-Illuminated
Phoenix Contact Circuit Breakers TMC 71C 40A 219In Stock
Min.: 1
Mult.: 1

TMC 7 Circuit Breakers Thermal Magnetic 40 A 277 VAC 60 VDC 1 Pole Lever - 35 C + 70 C Non-Illuminated
TE Connectivity / P&B Circuit Breakers W28-XQ1A-16 CIRCUIT BREAKERS 1,385In Stock
Min.: 1
Mult.: 1

W28 Thermal Circuit Breakers Thermal Magnetic 16 A 250 VAC 32 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated


TE Connectivity / P&B Circuit Breakers 5A ROCKR ACT RED ILL 499In Stock
Min.: 1
Mult.: 1

W51 Circuit Breakers Thermal 5 A 250 VAC 50 VDC 1 Pole Rocker 0 C + 50 C Illuminated


TE Connectivity / P&B Circuit Breakers CIRCUIT BRKER 1POLE 8Amps Rocker 706In Stock
Min.: 1
Mult.: 1

W51 Circuit Breakers Thermal 8 A 250 VAC 50 VDC 1 Pole Rocker 0 C + 50 C Illuminated Tray
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER SWITCH 7A WHITE 14In Stock
Min.: 1
Mult.: 1

W6 Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic 7 A 277 VAC 2 Pole Toggle - 40 C + 85 C Non-Illuminated


E-T-A Circuit Breakers ETA Circuit Breakers 69In Stock
Min.: 1
Mult.: 1

4130 Thermal Circuit Breakers Thermal Magnetic 50 A 240 VAC 50 VDC 1 Pole Push-Pull - 30 C + 60 C Non-Illuminated
Phoenix Contact Circuit Breakers TMC 71B 50A 98In Stock
Min.: 1
Mult.: 1

TMC 7 Circuit Breakers Thermal Magnetic 50 A 277 VAC 60 VDC 1 Pole Lever - 35 C + 70 C Non-Illuminated
Phoenix Contact Circuit Breakers TMC 72C 32A 71In Stock
Min.: 1
Mult.: 1

TMC 7 Circuit Breakers Thermal Magnetic 32 A 277 VAC 125 VDC 2 Pole Lever - 35 C + 70 C Non-Illuminated
Phoenix Contact Circuit Breakers TMC 71D 05A 181In Stock
Min.: 1
Mult.: 1

TMC 7 Circuit Breakers Thermal Magnetic 5 A 277 VAC 60 VDC 1 Pole Lever - 35 C + 70 C Non-Illuminated
Phoenix Contact Circuit Breakers TMC 71D 16A 114In Stock
Min.: 1
Mult.: 1

TMC 7 Circuit Breakers Thermal Magnetic 16 A 277 VAC 60 VDC 1 Pole Lever - 35 C + 70 C Non-Illuminated
Phoenix Contact Circuit Breakers TMC 81C 25A 307In Stock
Min.: 1
Mult.: 1

TMC 8 Circuit Breakers Thermal Magnetic 25 A 120 VAC 60 VDC 1 Pole Lever - 35 C + 70 C Non-Illuminated
Phoenix Contact Circuit Breakers TMC 81C 63A 374In Stock
Min.: 1
Mult.: 1

TMC 8 Circuit Breakers Thermal Magnetic 63 A 120 VAC 60 VDC 1 Pole Lever - 35 C + 70 C Non-Illuminated


TE Connectivity / P&B Circuit Breakers W51-A151A1-10=CKTBKR THERM ROCK 587In Stock
Min.: 1
Mult.: 1

W51 Circuit Breakers Supplementary Protector 10 A 125 VAC 50 VDC 1 Pole Rocker 0 C + 60 C Non-Illuminated
TE Connectivity / P&B Circuit Breakers 1POLE 12Amps Therm Circuit Brker 915In Stock
Min.: 1
Mult.: 1

W28 Thermal Circuit Breakers Thermal Magnetic 12 A 250 VAC 32 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated Bulk


TE Connectivity / P&B Circuit Breakers 5A ROCKR ACT NON-ILL 2,504In Stock
Min.: 1
Mult.: 1

W51 Circuit Breakers Thermal 5 A 250 VAC 50 VDC 1 Pole Rocker 0 C + 60 C Non-Illuminated


TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER THERMAL 229In Stock
Min.: 1
Mult.: 1

W58 Thermal Circuit Breakers Thermal Magnetic 1.5 A 250 VAC 50 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated
Altech Circuit Breakers 10A MCB CCHAR 3 PL 480Y/277VAC UL508 32In Stock
Min.: 1
Mult.: 1

UM Circuit Breakers C-Trip 10 A 277 VAC 80 VDC 3 Pole Handle - 25 C + 55 C Non-Illuminated
Murrelektronik Circuit Breakers Mico Pro electronic circuit protection, 4 channel IN: 24 V DC OUT: 24 V DC / 4 A CL2 14In Stock
Min.: 1
Mult.: 1

9 Circuit Breakers MICO 40 A 12 VDC, 24 VDC 4 Pole - 25 C + 55 C Non-Illuminated Bulk
AIRPAX Circuit Breakers CIRCUIT BREAKER 2In Stock
Min.: 1
Mult.: 1
No
AP Circuit Breakers 20 A 250 VAC 50 VDC 1 Pole Toggle Non-Illuminated
AIRPAX Circuit Breakers CIRCUIT BREAKER 2In Stock
Min.: 1
Mult.: 1
No
AP Circuit Breakers Hydraulic Magnetic 15 A 240 VAC 50 VDC 1 Pole Toggle - 40 C + 100 C Non-Illuminated
IDEC Circuit Breakers Circuit Protector 3In Stock
Min.: 1
Mult.: 1
NRF Circuit Breakers Thermal 2 A 250 VAC 32 VDC 1 Pole - 10 C + 60 C Non-Illuminated