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: 151 468
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
ABB Circuit Breakers RCBO DS201 2P C40A 30MA UL
5In Stock
Min.: 1
Mult.: 1
ABB Circuit Breakers MCB ST200M 1P K 40A UL1077
4In Stock
Min.: 1
Mult.: 1
ST200M Circuit Breakers 40 A 1 Pole
ABB Circuit Breakers MCB SU200M 2P C 7A 20 LEAD DAYS
6In Stock
Min.: 1
Mult.: 1
SU200M Circuit Breakers 7 A 2 Pole
ABB Circuit Breakers UL489 MCB 3P Z 10A 480/277
5In Stock
Min.: 1
Mult.: 1
SU200M Circuit Breakers 10 A 3 Pole
ABB Circuit Breakers THHQB MCB 20A 22KA 2P 240V 1In Stock
Min.: 1
Mult.: 1
ABB Circuit Breakers THQL 1 POLE 120/240V 10K IC 20 AMP 5In Stock
Min.: 1
Mult.: 1
Siemens Circuit Breakers MSP S00 7-10A SCREW, -50 C RATED 1In Stock
Min.: 1
Mult.: 1

3RV2 Circuit Breakers Motor Protection 10 A 690 VAC 3 Pole Rotary - 50 C + 60 C Non-Illuminated
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 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
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

E-T-A Circuit Breakers 1077, 1P, plug, 250VAC/72VDC, T, w/switch function, 0.5A 80In Stock
Min.: 1
Mult.: 1

1180 Circuit Breakers Overcurrent Protection 500 mA 250 VAC 65 VDC 1 Pole Push-Push - 20 C + 60 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 23In Stock
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection 8 A 230 VAC 50 VDC 2 Pole Rocker - 30 C + 60 C Illuminated
E-T-A Circuit Breakers Single pole thermal-magnetic circuit breaker with tease-free, trip-free, snap action mechanism and two button operation (M-type TM CBE to EN 60934). Designed for plug-in mounting with E-T-A sockets 17-P10-Si, 23-P10-Si, 63-P10-Si; or 16In Stock
Min.: 1
Mult.: 1

3600 Thermal Circuit Breakers Thermal Magnetic 500 mA 240 VAC 65 VDC 1 Pole Pushbutton Dual - 30 C + 60 C Non-Illuminated
E-T-A Circuit Breakers 489, 2P, DM, 480VAC/60VDC, C, 15A 19In Stock
Min.: 1
Mult.: 1

4230-T Miniature Circuit Breakers Thermal Magnetic 15 A 415 VAC 125 VDC 2 Pole Toggle - 35 C + 70 C Non-Illuminated
Weidmuller Circuit Breakers HB2201UC HYD.MCB UL489 2P,Curve2,1.0A 18In Stock
Min.: 1
Mult.: 1

HB Circuit Breakers Hydraulic Magnetic 1 A 120 VAC, 240 VAC 80 VDC 2 Pole Lever - 40 C + 85 C Non-Illuminated Bulk
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 58In Stock
Min.: 1
Mult.: 1
Snapak Thermal Circuit Breakers Thermal 1 A 1 Pole Push to Reset - 40 C + 85 C Non-Illuminated
Weidmuller 7940102672
Weidmuller Circuit Breakers QZ-2-13-D-2-30.0
53In Stock
Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers AC 30 A 480 VAC 2 Pole Lever - 40 C + 85 C Non-Illuminated
E-T-A Circuit Breakers Miniaturised single pole thermal circuit breaker with push-to-reset tease free, trip-free, snap action mechanism (R-type TO CBE to EN 60934) for PCB mounting. Approved to CBE standard EN 60934 (IEC 60934). For higher current ratings 74In Stock
Min.: 1
Mult.: 1

Thermal Circuit Breakers Overcurrent Protection 1 A 240 VAC 48 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated
E-T-A Circuit Breakers Miniaturised single pole rocker switch/thermal circuit breaker combining ON/OFF switching and extremely fast overload performance in a single component (S-type TO CBE to EN 60934/IEC 934). Under overload conditions an internal neon (f 86In Stock
Min.: 1
Mult.: 1

1410-F1 Circuit Breakers Miniature 5 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 36In Stock
Min.: 1
Mult.: 1

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


E-T-A Circuit Breakers The 3120-N 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 is ideally suited for overload pro 35In Stock
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection 5 A 240 VAC 50 VDC 2 Pole Rocker - 30 C + 60 C Non-Illuminated
E-T-A Circuit Breakers Single pole thermal-magnetic circuit breakers with tease-free, trip-free, press-to-reset, snap action mechanism (R-type TM CBE to EN 60934; M-type with manual release (-H). Available with fast acting and standard magnetic tripping cha 17In Stock
Min.: 1
Mult.: 1

3400 Thermal Circuit Breakers Thermal Magnetic 15 A 240 VAC 65 VDC 1 Pole Push to Reset - 30 C + 60 C Non-Illuminated