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: 151 451
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
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 75In Stock
250Expected 3/5/2027
Min.: 1
Mult.: 1

1658 Thermal Circuit Breakers Overcurrent Protection 30 A 240 VAC 28 VDC 1 Pole - 20 C + 60 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 7In Stock
Min.: 1
Mult.: 1
4130 Thermal Circuit Breakers Thermal Magnetic 25 A 240 VAC 50 VDC 1 Pole Push-Pull - 30 C + 60 C Non-Illuminated
E-T-A Circuit Breakers Single pole high performance thermal-magnetic circuit breaker, with tease-free, trip-free, snap action mechanism and push/pull on/off actuation (M-type TM CBE to EN 60934). An indicator band on the push button clearly shows the tripped/off position. 2In Stock
Min.: 1
Mult.: 1

452 Thermal Magnetic 100 A 28 VDC 1 Pole - 55 C + 75 C Non-Illuminated
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 2In Stock
Min.: 1
Mult.: 1

482 Thermal Circuit Breakers Thermal 500 mA 115 VAC 28 VDC 1 Pole Push-Pull - 55 C + 75 C Non-Illuminated
E-T-A Circuit Breakers AC PEM, w/ 2 pole , 10A, white rocker, C14 inlet, pre-wired 5In Stock
Min.: 1
Mult.: 1

Thermal Circuit Breakers Overcurrent Protection 1 Pole - 30 C + 60 C Illuminated
E-T-A Circuit Breakers AC PEM, w/ 2 pole , 10A, white rocker, C14 std filtered inlet, pre-wired 9In Stock
Min.: 1
Mult.: 1

Thermal Circuit Breakers Overcurrent Protection 10 A 240 VAC 50 VDC 2 Pole - 30 C + 60 C Non-Illuminated
Phoenix Contact Circuit Breakers TMC 81D 05A 55In Stock
72Expected 1/21/2027
Min.: 1
Mult.: 1

TMC 8 Circuit Breakers Thermal Magnetic 5 A 120 VAC 60 VDC 1 Pole - 35 C + 70 C Non-Illuminated


Omron Automation and Safety Circuit Breakers Motor Protection Cir cuit Break
3In Stock
Min.: 1
Mult.: 1

Circuit Breakers Motor Protection 1.6 A 690 VAC 3 Pole - 20 C + 60 C Non-Illuminated
Altech Circuit Breakers 13A Z Characteristic UL 508 1 POLE 11In Stock
Min.: 1
Mult.: 1

UM Circuit Breakers Z-Trip 13 A 277 VAC 42 VDC 1 Pole - 25 C + 55 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
Min.: 1
Mult.: 1
Circuit Breakers Manual Motor Controller 100 A 240 VAC 1 Pole 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 Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic 16 A 2 Pole - 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 - 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 SU200ML 2P K 13A UL 489
3In Stock
Min.: 1
Mult.: 1
SU200ML Circuit Breakers 13 A 2 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 Non-Illuminated
Square D Circuit Breakers MINIATURE CIRCUIT BREAKER 600V 15A 1In Stock
Min.: 1
Mult.: 1
IDEC Circuit Breakers Circuit Protector 2A
1In Stock
Min.: 1
Mult.: 1

NRA Circuit Breakers Magnetic 2 A 250 VAC 65 VDC 2 Pole - 40 C + 85 C Non-Illuminated
IDEC Circuit Breakers Circuit Protector 5In Stock
Min.: 1
Mult.: 1
NRF Circuit Breakers 250 VAC 32 VDC 1 Pole - 10 C + 60 C