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: 151.466
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
Siemens Circuit Breakers MCSW 3VA11 3P 100A BOX 1In Stock
Min.: 1
Mult.: 1
3VA Circuit Breakers Switch Disconnector 100 A 690 VAC 500 VDC 3 Pole Paddle - 25 C + 70 C Non-Illuminated
Siemens Circuit Breakers BRKR 3VA51 3P 20A 65KA FTAM 1In Stock
Min.: 1
Mult.: 1
3VA Thermal Magnetic Circuit Breakers System Protection 20 A 690 VAC 500 VDC 3 Pole Paddle - 25 C + 70 C Non-Illuminated
Siemens Circuit Breakers BRKR 3VA51 1P 60A 25KA FTFM 1In Stock
Min.: 1
Mult.: 1
3VA Thermal Magnetic Circuit Breakers System Protection 60 A 415 VAC 125 VDC 1 Pole Paddle - 25 C + 70 C Non-Illuminated
Siemens Circuit Breakers MCB 5SJ4 1P 240V 16A SAME PH 14K B-TRIP 2In Stock
Min.: 1
Mult.: 1
Circuit Breakers Miniature 16 A 240 VAC 60 VDC 1 Pole Lever - 25 C + 55 C Non-Illuminated
Siemens Circuit Breakers BREAKER 20A 2P 120/240V 10K BL 4In Stock
Min.: 1
Mult.: 1
APC by Schneider Electric Circuit Breakers MOLDED CASE CIRCUIT BRKR 600Y/347V 100A 1In Stock
Min.: 1
Mult.: 1
Square D Circuit Breakers MINIATURE CIRCUIT BREAKER 120/240V 30A 2In Stock
Min.: 1
Mult.: 1
QOB Circuit Breakers Miniature 30 A 120 VAC, 240 VAC 2 Pole Toggle Non-Illuminated
Square D Circuit Breakers MINIATURE CIRCUIT BREAKER 240V 15A 1In Stock
Min.: 1
Mult.: 1

AIRPAX Circuit Breakers CIRCUIT BREAKER 2In Stock
Min.: 1
Mult.: 1
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AP Circuit Breakers 20 A 250 VAC 50 VDC 1 Pole Toggle Non-Illuminated


E-T-A Circuit Breakers Single pole, thermal miniaturised circuit breaker designed for automotive applications. Fits into fuse blocks designed to ISO 8820-3, Type F. Automatic reset (for DC 12 V only) and open circuit (modified reset to SAE) version optional. Open circuitve 3In Stock
Min.: 1
Mult.: 1

1620 Miniature Circuit Breakers Automotive 30 A 12 VDC 1 Pole - 40 C + 85 C Non-Illuminated


E-T-A Circuit Breakers Single pole press-to-reset thermal circuit breaker with extremely fast overload switching performance (R-type TO CBE to EN 60934). Miniaturised construction minimises PCB real estate required. Largely temperature-insensitive.x -E. Ret 107In Stock
Min.: 1
Mult.: 1

1410-L1 Thermal Circuit Breakers Overcurrent Protection 4 A 240 VAC 28 VDC 1 Pole Rocker - 20 C + 70 C Non-Illuminated


E-T-A Circuit Breakers Single pole high performance thermal circuit breaker with tease-free, trip-free, snap action mechanism and push/pull on/off manual actuation (M-type TO CBE to EN 60934). An indicator band on the push button clearly shows the tripped/off position. Thr 8In Stock
Min.: 1
Mult.: 1

413 Thermal Circuit Breakers Thermal Magnetic 90 A 28 VDC 1 Pole Push-Pull - 55 C + 75 C Non-Illuminated
E-T-A Circuit Breakers The 3120-N...4 IP65 rated thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N...4 is ideally suite 25In Stock
Min.: 1
Mult.: 1

3120-N Thermal Circuit Breakers Overcurrent Protection 10 A 240 VAC 50 VDC 2 Pole Rocker - 30 C + 60 C Non-Illuminated


AIRPAX Circuit Breakers Cir Brkr Hyd Mag 14In Stock
Min.: 1
Mult.: 1

IAL/IDL/IML/IUL Circuit Breakers Hydraulic Magnetic 240 VAC 80 VDC 1 Pole Handle - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 30In Stock
Min.: 1
Mult.: 1
Snapak Thermal Circuit Breakers Thermal 20 A 1 Pole Rocker - 40 C + 85 C Illuminated
Schneider Electric Circuit Breakers MAN-START 575VAC IEC UNDERVOLTAGE TRIP 13In Stock
Min.: 1
Mult.: 1
GV Circuit Breakers 480 VAC, 415 VAC to 440 VAC Non-Illuminated
IDEC Circuit Breakers Circuit Protector 2A
2In Stock
Min.: 1
Mult.: 1

NRA Circuit Breakers Magnetic 2 A 250 VAC 65 VDC 1 Pole Lever - 40 C + 85 C Non-Illuminated
IDEC Circuit Breakers Circuit Protector 12In Stock
15Expected 9/14/2026
Min.: 1
Mult.: 1
NRP Circuit Breakers Thermal 4A 250 VAC 32 VDC 1 Pole Push to Reset - 10 C + 50 C Non-Illuminated
E-T-A Circuit Breakers 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

2-5700 Thermal Circuit Breakers Overcurrent Protection 2 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 9In Stock
Min.: 1
Mult.: 1

3130-F Thermal Overcurrent 15 A 240 VAC 50 VDC 1 Pole Rocker - 30 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 2In Stock
Min.: 1
Mult.: 1

3130-F Circuit Breakers Thermal 12 A 240 VAC, 415 VAC 50 VDC 1 Pole Rocker - 30 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 9In Stock
Min.: 1
Mult.: 1

3130-F Thermal Overcurrent 12 A 240 VAC 50 VDC 1 Pole Rocker - 30 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 9In Stock
Min.: 1
Mult.: 1

3130-F Thermal Overcurrent 15 A 240 VAC 50 VDC 1 Pole Rocker - 30 C + 60 C Non-Illuminated
E-T-A Circuit Breakers Single pole press-to-reset thermal circuit breaker with extremely fast overload switching performance (R-type TO CBE to EN 60934). Single hole threadneck mounting. Type 1410-G1 features changeover contacts suitable for providing statu 29In Stock
Min.: 1
Mult.: 1

1410-G1 Thermal Circuit Breakers Overcurrent Protection 6.3 A 240 VAC 28 VDC 1 Pole Rocker - 20 C + 70 C Non-Illuminated
E-T-A Circuit Breakers 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 5In Stock
Min.: 1
Mult.: 1

2-5700 Thermal Circuit Breakers Overcurrent Protection 15 A 250 VAC 28 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated