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: 151,572
Select Image Part # Mfr. Description Datasheet Availability Pricing (GBP) 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
ABB Circuit Breakers XT1H 125 TMF 15-500 3P F F UL/CSA
3In Stock
Min.: 1
Mult.: 1
SACE Tmax XT
Siemens Circuit Breakers MSP S00 FOR XFRMR 1.4-2A AUX 1NO+1NC 1In Stock
Min.: 1
Mult.: 1

3RV2 Circuit Breakers Transformer Protection 2 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers BRKR 3VA51 3P 20A 65KA FTFM NAV 1In Stock
Min.: 1
Mult.: 1
3VA Thermal Magnetic Circuit Breakers System Protection 20 A 690 VAC 3 Pole Paddle - 25 C + 70 C Non-Illuminated
Siemens Circuit Breakers MCB 5SJ4 2P 480/277 8A 10K C-TRIP 1In Stock
Min.: 1
Mult.: 1
Circuit Breakers Miniature 8 A 277 VAC, 480 VAC 60 VDC 2 Pole Lever - 25 C + 55 C Non-Illuminated
Siemens Circuit Breakers BREAKER BQD 3P 25A 480VAC 14KA 1In Stock
Min.: 1
Mult.: 1

Circuit Breakers Thermal Magnetic 25 A 480 VAC 3 Pole Handle + 40 C Non-Illuminated
Siemens Circuit Breakers BREAKER CQD 240VAC 1A-1B AUX SW 1In Stock
Min.: 1
Mult.: 1

Circuit Breakers Molded 240 VAC Non-Illuminated
Schneider Electric Circuit Breakers MOLDED CASE CIRCUIT BREAKER 277V 30A 1In Stock
Min.: 1
Mult.: 1
BDA
Schneider Electric Circuit Breakers MotBreak GV4PE Th/Mag 115A 100kA Elink 1In Stock
Min.: 1
Mult.: 1

GV


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


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 1,909In Stock
Min.: 1
Mult.: 1

1658 Thermal Circuit Breakers Overcurrent Protection 20 A 240 VAC 28 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated
Phoenix Contact Circuit Breakers TMC 82B 50A 36In Stock
Min.: 1
Mult.: 1

TMC 8 - 35 C + 70 C
Phoenix Contact Circuit Breakers TMC 83C 01A 39In Stock
Min.: 1
Mult.: 1

TMC 8 Circuit Breakers Thermal Magnetic 1 A 240 VAC 3 Pole Lever - 35 C + 70 C Non-Illuminated
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