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: 151 457
Select Image Part # Mfr. Description Datasheet Availability Pricing (PLN) 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
Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic 16 A 2 Pole Handle - 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 30 A 2 Pole Handle - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
Min.: 1
Mult.: 1
IUG Circuit Breakers 9 A 1 Pole Toggle - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
Min.: 1
Mult.: 1
Snapak Thermal Circuit Breakers Thermal 17.5 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 5 A 1 Pole Rocker - 40 C + 85 C Illuminated
ABB Circuit Breakers MCB S800 1P K 50A 5In Stock
Min.: 1
Mult.: 1
Circuit Breakers 50 A 1 Pole
ABB Circuit Breakers MCB ST200M 2P D 40A UL1077
3In Stock
2Expected 11/27/2026
Min.: 1
Mult.: 1
ST200M Circuit Breakers 40 A 2 Pole
ABB Circuit Breakers UL489 MCB 1P Z 50A 240
10In Stock
Min.: 1
Mult.: 1
SU200M Circuit Breakers 50 A 1 Pole
ABB Circuit Breakers MCB SU200MR RTT 3P K 60A BCP
3In Stock
Min.: 1
Mult.: 1
SU200MR Circuit Breakers 60 A 3 Pole
ABB Circuit Breakers MCB SUP200M 2P K 40A UL 489 2In Stock
Min.: 1
Mult.: 1
Circuit Breakers Miniature 40 A 240 VAC 2 Pole Handle Non-Illuminated
APC by Schneider Electric Circuit Breakers MOLDED CASE CIRCUIT BRKR 600Y/347V 125A 1In Stock
Min.: 1
Mult.: 1
Square D Circuit Breakers MINIATURE CIRCUIT BREAKER 600V 15A 1In Stock
Min.: 1
Mult.: 1
IDEC Circuit Breakers Circuit Protector 15A
5In Stock
Min.: 1
Mult.: 1

NRA Circuit Breakers Magnetic 15 A 250 VAC 65 VDC 2 Pole Lever - 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 Push to Reset - 25 C + 60 C Non-Illuminated
E-T-A Circuit Breakers AC PEM, w/ recessed 1 pole , 8A, black pushbutton, C14 inlet, pre-wired 7In Stock
Min.: 1
Mult.: 1

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


E-T-A Circuit Breakers Bimetal operated single pole motor protection controls with automatic reset actuation, small physical size, reliable snap-action mechanism. Caution: In specifying these 2 products, care should be taken to ensure that automatic motor 10In Stock
Min.: 1
Mult.: 1
2-6500 Circuit Breakers Overcurrent Protection


E-T-A Circuit Breakers Single pole compact high performance thermal circuit breaker with tease-free, trip-free, snap action mechanism and push/pull on/off manual actuation (M-type TO CBE to EN 60934). An indicator band on the push button clearly shows the tripped/off posit 7In Stock
Min.: 1
Mult.: 1
482-G Thermal Circuit Breakers 20 A 115 VAC 28 VDC 1 Pole Push-Pull - 55 C + 75 C Non-Illuminated
E-T-A Circuit Breakers Single pole high performance thermal circuit breaker, with push-to-reset tease free, trip-free snap action mechanism (R-type TO CBE to EN 60934). Designed for threadneck panel mounting and for applications with a high fault current sw 6In Stock
Min.: 1
Mult.: 1
4130 Thermal Circuit Breakers Thermal Magnetic Push-Pull
E-T-A Circuit Breakers 1077, 1P, DM, 277VAC/60VDC, B, 1.6A 1In Stock
Min.: 1
Mult.: 1

4230-T Miniature Circuit Breakers Thermal Magnetic Toggle
E-T-A Circuit Breakers 489, 1P, DM, 277VAC/60VDC, C, 12A 2In Stock
Min.: 1
Mult.: 1

4230-T Miniature Circuit Breakers Thermal Magnetic Toggle
E-T-A Circuit Breakers Single pole compact high performance thermal circuit breaker with tease-free, trip-free, snap action mechanism and push/pull on/off manual actuation (M-type TO CBE to EN 60934). An indicator band on the push button clearly shows the tripped/off posit 9In Stock
Min.: 1
Mult.: 1

482 Thermal Circuit Breakers Thermal 4.5 A 125 VAC 28 VDC 1 Pole Push-Pull - 55 C + 75 C Non-Illuminated
E-T-A Circuit Breakers MoQ=10 1077, 1p, DIN, 80VDC Med Delay, N/O Aux, 30A 8In Stock
Min.: 1
Mult.: 1

8340-T Hydraulic Magnetic Circuit Breakers Thermal Magnetic 30 A 240 VAC, 415 VAC 80 VDC 1 Pole Toggle - 40 C + 85 C Non-Illuminated
E-T-A Circuit Breakers MoQ=10 1077, 1p, DIN, 80VDC Long Delay, N/O Aux, 8A 3In Stock
Min.: 1
Mult.: 1

8340-T Hydraulic Magnetic Circuit Breakers Thermal Magnetic Toggle
E-T-A Circuit Breakers AC PEM, w/ 2 pole , 6A, black rocker, C14 std filtered inlet, pre-wired 4In Stock
Min.: 1
Mult.: 1

Thermal Circuit Breakers Overcurrent Protection 6 A 240 VAC 50 VDC 2 Pole Rocker - 30 C + 60 C Non-Illuminated
Eaton Electrical Circuit Breakers FAZ-NA 240VAC 2P 6A D CURVE ring term 1In Stock
Min.: 1
Mult.: 1
Circuit Breakers Miniature 6 A 240 VAC, 415 VAC 2 Pole Handle - 40 C + 75 C Non-Illuminated