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: 151,453
Select Image Part # Mfr. Description Datasheet Availability Pricing (KRW) 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 Minimum Operating Temperature Maximum Operating Temperature Illuminated Packaging
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
Min.: 1
Mult.: 1
Circuit Breakers 2 Pole Toggle - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic 2 Pole Handle - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
Min.: 1
Mult.: 1
IAL/IDL/IML/IUL Circuit Breakers Hydraulic Magnetic 15 A Handle - 40 C + 85 C Non-Illuminated
ABB Circuit Breakers MCB S200MUC 3P K 20A AC/DC 3In Stock
Min.: 1
Mult.: 1
Circuit Breakers 20 A 3 Pole
ABB Circuit Breakers MCB ST200M 3P B 60A UL1077 1In Stock
Min.: 1
Mult.: 1
ST200M Circuit Breakers 60 A 3 Pole
ABB Circuit Breakers UL489 MCB 3P K 35A 480/277 7In Stock
3Expected 10/7/2026
Min.: 1
Mult.: 1
SU200M Circuit Breakers 35 A 3 Pole
ABB Circuit Breakers UL489 MCB 3P Z 10A 480/277 5In Stock
Min.: 1
Mult.: 1
SU200M Circuit Breakers 10 A 3 Pole
APC by Schneider Electric Circuit Breakers MOLDED CASE CIRCUIT BRKR 600Y/347V 100A 1In Stock
Min.: 1
Mult.: 1
APC by Schneider Electric Circuit Breakers MINIATURE CIRCUIT BREAKER 240V 50A 3In Stock
Min.: 1
Mult.: 1
Circuit Breakers Miniature 50 A 120 VAC, 240 VAC 2 Pole Toggle Non-Illuminated


E-T-A Circuit Breakers MoQ=10 Non-Preferred Part (Build to Order) - Alternative Stocked Part Number 2210-S211-P1M1-Z141-8A 92 10In Stock
Min.: 1
Mult.: 1

2210-S2 Thermal Circuit Breakers Thermal Magnetic Toggle
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 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 132In Stock
Min.: 1
Mult.: 1

1410-L1 Thermal Circuit Breakers Overcurrent Protection 1 A 240 VAC 28 VDC 1 Pole Rocker - 20 C + 70 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
Siemens Circuit Breakers MSP,GROUP TAP,S00,CL10,5.5-8A,SCREW 3In Stock
Min.: 1
Mult.: 1

3RV1 Circuit Breakers Motor Protection 8 A 690 VAC 3 Pole Toggle - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers MSP S00 11-16A AUX 1NO 1NC SCREW 5In Stock
Min.: 1
Mult.: 1

3RV2 Circuit Breakers Motor Protection 16 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers MSP S0 0.55 - 0.8A SCREW 4In Stock
Min.: 1
Mult.: 1

3RV2 Circuit Breakers Motor Protection 800 mA 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers MSP S0 7-10A SCREW 5In Stock
Min.: 1
Mult.: 1

3RV2 Circuit Breakers Motor Protection 10 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
IDEC Circuit Breakers Circuit Protector 7.5A 1In Stock
Min.: 1
Mult.: 1
NRB Circuit Breakers 7.5 A 250 VAC 65 VDC 2 Pole Lever - 40 C + 85 C Non-Illuminated


IDEC Circuit Breakers Circuit Protector 1In Stock
Min.: 1
Mult.: 1
NRF Circuit Breakers 250 VAC 32 VDC 1 Pole - 10 C + 60 C
E-T-A Circuit Breakers 1077, 1P, DM, 277VAC/60VDC, B, 12A 4In Stock
Min.: 1
Mult.: 1

4230-T Miniature Circuit Breakers Thermal Magnetic Toggle
E-T-A Circuit Breakers 1077, 1P, DM, 277VAC/60VDC, C, 35A 6In Stock
Min.: 1
Mult.: 1

4230-T Miniature Circuit Breakers Thermal Magnetic Toggle