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: 151,988
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
IEL Circuit Breakers Hydraulic Magnetic 10 A 1 Pole Handle - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 5In Stock
Min.: 1
Mult.: 1
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
Min.: 1
Mult.: 1
IUGH Circuit Breakers 10 A 2 Pole Toggle - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 5In Stock
Min.: 1
Mult.: 1
IUGN Circuit Breakers 30 A 1 Pole Toggle - 40 C + 85 C Non-Illuminated


AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
Min.: 1
Mult.: 1
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 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 Cir Brkr, HydMag, 2 pl, 250VAC, 10A, rocker hndl 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
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 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 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 42In Stock
Min.: 1
Mult.: 1
1410-F1 Circuit Breakers Miniature 4 A 240 VAC 28 VDC 1 Pole Rocker - 20 C + 70 C 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 8In Stock
Min.: 1
Mult.: 1
3130-F Rocker
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 8In Stock
Min.: 1
Mult.: 1

3130-F Circuit Breakers Thermal 15 A 240 VAC, 415 VAC 50 VDC 3 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 7In Stock
Min.: 1
Mult.: 1

3130-F Thermal Overcurrent 16 A 50 VDC Rocker - 30 C + 60 C Non-Illuminated
E-T-A Circuit Breakers 1077, 1P, DM, 277VAC/65VDC,M1, 1NC AUX, 0.8A 2In Stock
Min.: 1
Mult.: 1

2210-T2 Thermal Circuit Breakers Thermal Magnetic Toggle
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 43In Stock
Min.: 1
Mult.: 1

Thermal Circuit Breakers Overcurrent Protection 6 A 240 VAC 48 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated