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: 151,463
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 CIRCUIT BREAKER THERMAL 7A BLK 600In Stock
Min.: 1
Mult.: 1

W28 Thermal Circuit Breakers Thermal Magnetic 7 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 1pole 20Amp Toggle Mag circuit breaker 138In 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 46In 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


Hartland Controls / Littelfuse Circuit Breakers 120/240V 25A 1P CIRCUIT BREAKER, LUGS 44In Stock
Min.: 1
Mult.: 1

HCB Thermal Magnetic Circuit Breakers 25 A 120 VAC, 240 VAC 1 Pole Handle - 10 C + 60 C Non-Illuminated Bulk


Hartland Controls / Littelfuse Circuit Breakers 120/240V 40A 2P CIRCUIT BREAKER, LUGS/QUICK CONNECT 21In Stock
Min.: 1
Mult.: 1

HCB Thermal Magnetic Circuit Breakers 40 A 120 VAC, 240 VAC 2 Pole Handle - 10 C + 60 C Non-Illuminated Bulk
Hartland Controls / Littelfuse Circuit Breakers 120/240V 25A 3P CIRCUIT BREAKER, LUGS 11In Stock
Min.: 1
Mult.: 1

HCB Thermal Magnetic Circuit Breakers 25 A 120 VAC, 240 VAC 3 Pole Handle - 10 C + 60 C Non-Illuminated Bulk


Hartland Controls / Littelfuse Circuit Breakers 120/240V 35A 3P CIRCUIT BREAKER, LUGS 19In Stock
Min.: 1
Mult.: 1

HCB Thermal Magnetic Circuit Breakers 35 A 120 VAC, 240 VAC 3 Pole Handle - 10 C + 60 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 572In Stock
Min.: 1
Mult.: 1

1658 Thermal Circuit Breakers Overcurrent Protection 10 A 240 VAC 28 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated
Phoenix Contact Circuit Breakers TMC 72C 08A 72In 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 TMC 72D 40A 63In Stock
Min.: 1
Mult.: 1

TMC 7 Circuit Breakers Thermal Magnetic 40 A 277 VAC 125 VDC 2 Pole Lever - 35 C + 70 C Non-Illuminated
Phoenix Contact Circuit Breakers TMC 73D 30A 43In Stock
Min.: 1
Mult.: 1

TMC 7 Circuit Breakers Thermal Magnetic 30 A 277 VAC 3 Pole Lever - 35 C + 70 C Non-Illuminated


Phoenix Contact Circuit Breakers CB TM2 6A M1 P 19In Stock
Min.: 1
Mult.: 1

CB TM2 Circuit Breakers Thermal Magnetic 6 A 80 VDC 2 Pole Slide - 30 C + 60 C Non-Illuminated


TE Connectivity / P&B Circuit Breakers W58-XA6A4A-3=CKTBKR THERM PB Q 423In Stock
Min.: 1
Mult.: 1

W58 Thermal Circuit Breakers Thermal Magnetic 3 A 250 VAC 50 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated


TE Connectivity / P&B Circuit Breakers 5A ROCKR ACT RED ILL 1,896In Stock
Min.: 1
Mult.: 1

W51 Circuit Breakers Thermal 5 A 125 VAC 50 VDC 1 Pole Rocker 0 C + 50 C Illuminated
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER SWITCH 30A WH 87In Stock
Min.: 1
Mult.: 1

W6 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 15A WH 47In Stock
Min.: 1
Mult.: 1

W6 Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic 15 A 277 VAC 2 Pole Toggle - 40 C + 85 C Non-Illuminated


TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER SWITCH 30A BLK 150In Stock
Min.: 1
Mult.: 1

W9 Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic 30 A 65 VDC 1 Pole Toggle - 40 C + 85 C Non-Illuminated


Schneider Electric Circuit Breakers TeSys MOTOR CB MAGNETIC 40A EVLK 4In Stock
Min.: 1
Mult.: 1

GV Circuit Breakers Magnetic 40 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
TE Connectivity / P&B Circuit Breakers W28-XQ1A-16 CIRCUIT BREAKERS 1,377In 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 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