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: 151,567
Select Image Part # Mfr. Description Datasheet Availability Pricing (EUR) 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
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
Min.: 1
Mult.: 1
LEG Circuit Breakers 2 Pole Rocker - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
Min.: 1
Mult.: 1

LEL/LML Circuit Breakers Hydraulic Magnetic 6 A 240 VAC 80 VDC 1 Pole Handle - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
Min.: 1
Mult.: 1
LEL/LML Circuit Breakers Hydraulic Magnetic Rocker Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 3In Stock
Min.: 1
Mult.: 1
LEL/LML Circuit Breakers Hydraulic Magnetic 1 Pole Handle Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
Min.: 1
Mult.: 1
AIRPAX Circuit Breakers CIRCUIT BREAKER 11In Stock
Min.: 1
Mult.: 1

213 Thermal Circuit Breakers Thermal 15 A 1 Pole Push-Pull - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
Min.: 1
Mult.: 1
Snapak Thermal Circuit Breakers Thermal 1 A 2 Pole Push to Reset - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers CIRCUIT BREAKER 3In Stock
Min.: 1
Mult.: 1
Snapak Thermal Circuit Breakers Thermal 8.5 A 2 Pole Push to Reset - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
Min.: 1
Mult.: 1

Snapak Thermal Circuit Breakers Thermal 15 A 250 VAC 65 VDC 1 Pole Rocker - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
Min.: 1
Mult.: 1

Snapak Thermal Circuit Breakers Thermal 30 A 250 VAC 65 VDC 1 Pole Paddle - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 2 Pole Paddle
ABB Circuit Breakers MCB S200MUC 2P K 8A AC/DC 1In Stock
Min.: 1
Mult.: 1
Circuit Breakers 8 A 2 Pole
ABB Circuit Breakers MCB ST200M 3P K 60A UL1077
2In Stock
4Expected 01/09/2026
Min.: 1
Mult.: 1
ST200M Circuit Breakers 60 A 3 Pole
ABB Circuit Breakers UL489 MCB 1P Z 20A 480/277
15In Stock
Min.: 1
Mult.: 1
SU200M Circuit Breakers 20 A 1 Pole
ABB Circuit Breakers UL489 MCB 2P C 32A 480/277
5In Stock
Min.: 1
Mult.: 1
SU200M Circuit Breakers 32 A 2 Pole
Siemens Circuit Breakers MSP S00 9-12.5A AUX 1NO 1NC SPRING 1In Stock
Min.: 1
Mult.: 1

3RV2 Circuit Breakers Motor Protection 12.5 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers Circuit breaker UL489 45 A 1In Stock
Min.: 1
Mult.: 1
3RV2 Circuit Breakers System Protection 45 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers MCB 5SJ4 3P 240V 10A 14K C-TRIP 3In Stock
Min.: 1
Mult.: 1
Circuit Breakers Miniature 10 A 240 VAC 60 VDC 3 Pole Lever - 25 C + 55 C Non-Illuminated
Siemens Circuit Breakers BRKR ED2 3P 240V 20A 1In Stock
Min.: 1
Mult.: 1
Circuit Breakers Low Voltage 20 A 240 VAC 3 Pole Non-Illuminated
APC by Schneider Electric Circuit Breakers MOLDED CASE CIRCUIT BRKR 600Y/347V 40A 1In Stock
2On Order
Min.: 1
Mult.: 1
Schneider Electric Circuit Breakers TRIP UNIT NSX100 AC 3P3D 100A 2.2 1In Stock
Min.: 1
Mult.: 1

Square D Circuit Breakers MINIATURE CIRCUIT BREAKER 240V 30A 3In Stock
Min.: 1
Mult.: 1

QO Circuit Breakers Miniature 30 A 120 VAC, 240 VAC 3 Pole Lever Non-Illuminated
E-T-A Circuit Breakers Min Ord Qty 10. Single pole thermal circuit breaker with press-to-reset, tease-free, trip-free, snap action mechanism. Type 2-5700 can be supplied as a push-push switch/circuit breaker (R-type TO CBE to EN 60934 in press-to-reset configuration; S-typ 6In Stock
Min.: 1
Mult.: 1
Thermal Circuit Breakers Overcurrent Protection 5 A 250 VAC 28 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated
E-T-A Circuit Breakers Single, two and three pole rocker switch/thermal trip free circuit breakers (S-type TO CBE to EN 60934) of compact design for snap-in panel mounting. Available either with protection on one/both/all poles or, in the case of the double 1In Stock
Min.: 1
Mult.: 1

3130-F Circuit Breakers Thermal 20 A 240 VAC, 415 VAC 50 VDC 1 Pole Rocker - 30 C + 60 C Non-Illuminated
E-T-A Circuit Breakers 1In Stock
Min.: 1
Mult.: 1