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: 151,461
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 Minimum Operating Temperature Maximum Operating Temperature Illuminated Packaging
E-T-A Circuit Breakers Very cost effective design to meet international requirements. No exposed metal parts which are current-carrying except for terminals. R-type TO CBE to EN 60934. Units built to order. For requests under 500 pcs contact Customer Servi 37In Stock
Min.: 1
Mult.: 1

1658 Thermal Circuit Breakers Overcurrent Protection 10 A 240 VAC 28 VDC 1 Pole - 20 C + 60 C Non-Illuminated
E-T-A Circuit Breakers AC PEM, w/ recessed 1 pole , 10A, pb w/ white trip band, C14 inlet, pre-wired 9In Stock
Min.: 1
Mult.: 1

Thermal Circuit Breakers Overcurrent Protection 10 A 250 VAC 28 VDC 1 Pole - 20 C + 60 C Non-Illuminated
E-T-A Circuit Breakers MoQ=10 1077, 1p, DIN, 80VDC Med Delay, 15A 8In Stock
Min.: 1
Mult.: 1

8340-T Hydraulic Magnetic Circuit Breakers Thermal Magnetic
E-T-A Circuit Breakers AC PEM, w/ 2 pole , 5A, black rocker, C14 inlet, pre-wired 2In Stock
Min.: 1
Mult.: 1

Thermal Circuit Breakers Overcurrent Protection 5 A 240 VAC 50 VDC 2 Pole - 30 C + 60 C Non-Illuminated
Eaton Electrical Circuit Breakers FAZ-NA UL 489 MCB 1P 4A B CURVE 1In Stock
Min.: 1
Mult.: 1
FAZ Circuit Breakers Miniature 4 A 240 VAC 1 Pole - 40 C + 75 C Non-Illuminated
Eaton Electrical Circuit Breakers FAZ-NA UL 489 MCB 240VAC 1P 4A B CURVE 1In Stock
Min.: 1
Mult.: 1
Circuit Breakers Miniature 4 A 240 VAC 1 Pole - 40 C + 75 C Non-Illuminated
Eaton Electrical Circuit Breakers FAZ-NA 240VAC 2P 4A D CURVE ring term 2In Stock
Min.: 1
Mult.: 1
Circuit Breakers Miniature 4 A 240 VAC, 415 VAC 2 Pole - 40 C + 75 C Non-Illuminated
Sensata Technologies Circuit Breakers 1In Stock
Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 1 A 2 Pole - 40 C + 85 C Non-Illuminated
Altech Circuit Breakers 6A,MCB B CHAR 1 PL, 277VAC, UL1077 1In Stock
Min.: 1
Mult.: 1

UR 6 A 277 VAC 1 Pole - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 32A Z Characteristic UL 508 1 POLE 12In Stock
Min.: 1
Mult.: 1

UM 32 A 277 VAC 24 VDC 1 Pole - 25 C + 55 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
Min.: 1
Mult.: 1
IAL/IDL/IML/IUL Circuit Breakers Hydraulic Magnetic 30 A 1 Pole - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
Min.: 1
Mult.: 1
Circuit Breakers 1 Pole - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr, HydMag, 2 pl, 250VAC,32A 2In Stock
Min.: 1
Mult.: 1
Circuit Breakers 30 A 3 Pole - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
Min.: 1
Mult.: 1
IUGH Circuit Breakers 5 A 3 Pole - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
Min.: 1
Mult.: 1
IUGN Circuit Breakers 2.5 A 1 Pole - 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 5 A 1 Pole - 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 50 A 1 Pole Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 3In Stock
Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 20 A 1 Pole - 40 C + 85 C
ABB Circuit Breakers YO-C XT5-XT6 110.240VAC-110.250VDC 3In Stock
Min.: 1
Mult.: 1
ABB Circuit Breakers MCB S200MUC 3P C 6A AC/DC 3In Stock
Min.: 1
Mult.: 1
Circuit Breakers 6 A 3 Pole
ABB Circuit Breakers MCB ST200M 3P C 13A UL1077 5In Stock
Min.: 1
Mult.: 1
ST200M Circuit Breakers 13 A 3 Pole
ABB Circuit Breakers UL489 MCB 3P Z 63A 240 2In Stock
Min.: 1
Mult.: 1
SU200M Circuit Breakers 63 A 3 Pole
ABB Circuit Breakers MCB SUP200M 3P K 30A UL 489 1In Stock
Min.: 1
Mult.: 1
Circuit Breakers Miniature 30 A 400 VAC 3 Pole Non-Illuminated
IDEC Circuit Breakers Circuit Protector 15A 5In Stock
Min.: 1
Mult.: 1

NRA Circuit Breakers Magnetic 15 A 250 VAC 65 VDC 2 Pole - 40 C + 85 C Non-Illuminated
E-T-A Circuit Breakers AC PEM, w/ 1 pole , 8A, black pushbutton, C14 inlet, pre-wired 10In Stock
Min.: 1
Mult.: 1

Thermal Circuit Breakers Overcurrent Protection 8 A 250 VAC 1 Pole - 25 C + 60 C Non-Illuminated