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: 151.565
Select Image Part # Mfr. Description Datasheet Availability Pricing (EUR) 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


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 1In Stock
Min.: 1
Mult.: 1
4130 Thermal Circuit Breakers Thermal Magnetic Push-Pull
E-T-A Circuit Breakers 1077, 2P, DM, 480VAC/60VDC, B, 8A 2In Stock
Min.: 1
Mult.: 1

4230-T Miniature Circuit Breakers Thermal Magnetic Toggle


E-T-A Circuit Breakers Single and multipole magnetic circuit breakers with trip-free mechanism and toggle actuation. A choice of fast magnetic only or hydraulically delayed switching characteristics (S-type MO or HM CBE to EN 60934) ensures suitability for 1In Stock
Min.: 1
Mult.: 1

8340-F Hydraulic Magnetic Circuit Breakers Thermal Magnetic 50 A 240 VAC, 415 VAC 80 VDC 1 Pole Toggle - 40 C + 85 C Non-Illuminated
E-T-A Circuit Breakers Single and multipole magnetic circuit breakers with trip-free mechanism and toggle actuation. A choice of fast magnetic only or hydraulically delayed switching characteristics (S-type MO or HM CBE to EN 60934) ensures suitability for 6In Stock
Min.: 1
Mult.: 1

8340-F Hydraulic Magnetic Circuit Breakers Thermal Magnetic 40 A 240 VAC, 415 VAC 80 VDC 1 Pole Toggle - 40 C + 85 C Non-Illuminated
E-T-A Circuit Breakers AC PEM, w/ 1 pole , 10A, pushbutton w/ white trip band, C14 inlet, pre-wired 4In Stock
Min.: 1
Mult.: 1

Thermal Circuit Breakers Overcurrent Protection 10 A 250 VAC 28 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated
E-T-A Circuit Breakers AC PEM, w/ 2 pole , 10A, white rocker, C20 inlet, pre-wired 4In Stock
Min.: 1
Mult.: 1

Thermal Circuit Breakers Overcurrent Protection 1 Pole Rocker - 30 C + 60 C Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
Min.: 1
Mult.: 1
Circuit Breakers Manual Motor Controller 100 A 277 VAC,480 VAC 2 Pole Handle Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
Min.: 1
Mult.: 1
IAL/IDL/IML/IUL Circuit Breakers Hydraulic Magnetic 1 Pole Handle Non-Illuminated
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 MCB SU200MR RTT 2P K 20A BCP
1In Stock
9On Order
Min.: 1
Mult.: 1
SU200MR Circuit Breakers 20 A 2 Pole
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
IDEC Circuit Breakers Circuit Protector 30A
3In Stock
Min.: 1
Mult.: 1

NRA Circuit Breakers Electromagnetic 30 A 250 VAC 65 VDC 1 Pole Lever - 40 C + 85 C Non-Illuminated
IDEC Circuit Breakers Circuit Protector 15A
1In Stock
Min.: 1
Mult.: 1

NRA Circuit Breakers Electromagnetic 15 A 250 VAC 65 VDC 1 Pole Lever - 40 C + 85 C Non-Illuminated
IDEC Circuit Breakers Circuit Breaker 1In Stock
Min.: 1
Mult.: 1
NRB Circuit Breakers Electromagnetic 7.5 A 250 VAC 65 VDC 1 Pole Lever - 40 C + 85 C Non-Illuminated


IDEC Circuit Breakers Circuit Protector 34In Stock
Min.: 1
Mult.: 1
NRF Circuit Breakers Thermal 1 A 250 VAC 32 VDC 1 Pole - 10 C + 60 C Non-Illuminated
IDEC Circuit Breakers PCB MOUNT C.B. 1In Stock
14Expected 20/10/2026
Min.: 1
Mult.: 1
NRP Circuit Breakers Thermal 2 A 250 VAC 32 VDC 1 Pole - 10 C + 50 C Non-Illuminated


E-T-A Circuit Breakers AC PEM, w/ 1 pole , 5A, pushbutton w/ white trip band, C14 inlet, pre-wired 9In Stock
Min.: 1
Mult.: 1
Thermal Circuit Breakers Overcurrent Protection 5 A 250 VAC 28 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated Bulk
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 3In Stock
Min.: 1
Mult.: 1

482 Thermal Circuit Breakers Thermal 10 A 125 VAC 28 VDC 1 Pole Push-Pull - 55 C + 75 C Non-Illuminated
E-T-A Circuit Breakers 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 protection of motors 10In Stock
Min.: 1
Mult.: 1
Thermal Circuit Breakers Overcurrent Protection Rocker


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, 3P, DM, 480VAC/60VDC, D, 63A 2In Stock
Min.: 1
Mult.: 1

4230-T Miniature Circuit Breakers Thermal Magnetic Toggle