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 (DKK) 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
Snapak Thermal Circuit Breakers Thermal Push to Reset
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 5In Stock
Min.: 1
Mult.: 1
Snapak Thermal Circuit Breakers Thermal 15 A 1 Pole Push to Reset - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr,HydMag 2In Stock
Min.: 1
Mult.: 1
Snapak Thermal Circuit Breakers Thermal Push to Reset
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
Min.: 1
Mult.: 1
Snapak Thermal Circuit Breakers Thermal 20 A 1 Pole Rocker - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
Min.: 1
Mult.: 1
Snapak Thermal Circuit Breakers Thermal 25 A 1 Pole Paddle - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
Min.: 1
Mult.: 1
Snapak Thermal Circuit Breakers Thermal 7 A 1 Pole Paddle - 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 10 A 250 VAC 80 VDC 1 Pole Handle - 40 C + 85 C Non-Illuminated
ABB Circuit Breakers MCB SU200ML 2P K 25A UL 489
10In Stock
Min.: 1
Mult.: 1
SU200ML Circuit Breakers 25 A 2 Pole
ABB Circuit Breakers MCB SU200ML 2P K 5A UL 489
10In Stock
Min.: 1
Mult.: 1
SU200ML Circuit Breakers 5 A 2 Pole
ABB Circuit Breakers THQL 2 POLE 120/240V 10K IC 20 AMP 10In Stock
Min.: 1
Mult.: 1
Siemens Circuit Breakers SPECIAL TYPE MOT. START. PROT 6.3A 2In Stock
Min.: 1
Mult.: 1

3RV2 Circuit Breakers Motor Protection 6.3 A 690 VAC 3 Pole Rotary - 50 C + 60 C Non-Illuminated
Siemens Circuit Breakers BRKR 3VA11 4P 63A 25KA ATAM100NTRL BOX 2In Stock
Min.: 1
Mult.: 1
3VA Circuit Breakers Line Protection 63 A 690 VAC 600 VDC 4 Pole Paddle - 25 C + 70 C Non-Illuminated
Siemens Circuit Breakers MCSW 3VA51 3P 100A 65KA 1In Stock
Min.: 1
Mult.: 1
3VA Thermal Magnetic Circuit Breakers System Protection 100 A 690 VAC 500 VDC 3 Pole Paddle - 25 C + 70 C Non-Illuminated
Siemens Circuit Breakers MCB 5SJ4 1P 240V 30A SAME PH 14K B-TRIP 3In Stock
Min.: 1
Mult.: 1
Circuit Breakers Miniature 30 A 240 VAC 60 VDC 1 Pole Lever - 25 C + 55 C Non-Illuminated
Square D Circuit Breakers OPERATING MECHANISM CABLE MECHANISM NEMA 1In Stock
Min.: 1
Mult.: 1



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 415 VAC 50 VDC 2 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 10 A 50 VDC 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 1In Stock
Min.: 1
Mult.: 1

1410-G1 Thermal Circuit Breakers Overcurrent Protection 1.5 A 240 VAC 28 VDC 1 Pole Rocker - 20 C + 70 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 43In Stock
Min.: 1
Mult.: 1

1410-G1 Thermal Circuit Breakers Overcurrent Protection 1.5 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 19In Stock
Min.: 1
Mult.: 1

2-5700 Thermal Circuit Breakers Overcurrent Protection 25 A 250 VAC 28 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated


E-T-A Circuit Breakers Min Ord Qty 10. 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 prot 6In Stock
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection Rocker


E-T-A Circuit Breakers Min Ord Qty 10. 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 prot 3In Stock
Min.: 1
Mult.: 1
3120-N-T1 Thermal Circuit Breakers Overcurrent Protection Pushbutton Dual
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) integral type. Approved to CBE standard EN 60934 (IEC 60934). For higher current ratings see 42In Stock
Min.: 1
Mult.: 1

104 Thermal Circuit Breakers Overcurrent Protection 5 A 240 VAC 48 VDC 1 Pole Push to Reset - 20 C + 60 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) integral type. Approved to CBE standard EN 60934 (IEC 60934). For higher current ratings see 50In Stock
Min.: 1
Mult.: 1

104 Thermal Circuit Breakers Overcurrent Protection 2 A 240 VAC 48 VDC 1 Pole Push to Reset - 20 C + 60 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 2In Stock
Min.: 1
Mult.: 1

104 Thermal Circuit Breakers Overcurrent Protection 600 mA 240 VAC 48 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated