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: 151,450
Select Image Part # Mfr. Description Datasheet Availability Pricing (GBP) 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 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 8In Stock
Min.: 1
Mult.: 1

8340-F Hydraulic Magnetic Circuit Breakers Thermal Magnetic 5 A 240 VAC, 415 VAC 80 VDC 1 Pole Toggle - 40 C + 85 C Non-Illuminated


E-T-A Circuit Breakers 5In Stock
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection Rocker
E-T-A Circuit Breakers AC PEM, w/ 2 pole , 3A, white rocker, C14 std filtered inlet, pre-wired 10In Stock
Min.: 1
Mult.: 1

Thermal Circuit Breakers Overcurrent Protection 3 A 240 VAC 50 VDC 2 Pole Rocker - 30 C + 60 C Non-Illuminated
E-T-A Circuit Breakers AC PEM, w/ 2 pole , 15A, white rocker, C20 inlet, pre-wired 8In Stock
Min.: 1
Mult.: 1

Thermal Circuit Breakers Overcurrent Protection 15 A 240 VAC 50 VDC 2 Pole Rocker - 30 C + 60 C Non-Illuminated
Eaton Electrical Circuit Breakers FAZ UL 1077 4P 50A C CURVE 1In Stock
Min.: 1
Mult.: 1
FAZ Circuit Breakers Miniature 50 A 240 VAC, 415 VAC 4 Pole Handle - 40 C + 75 C Non-Illuminated
Phoenix Contact Circuit Breakers CB TM2 5A F1 P 1In Stock
Min.: 1
Mult.: 1

CB TM2 Circuit Breakers Thermal Magnetic 5 A 80 VDC 2 Pole Slide - 30 C + 60 C Non-Illuminated
Sensata Technologies Circuit Breakers 3In Stock
Min.: 1
Mult.: 1
IUGN


Sensata Technologies Circuit Breakers 3In Stock
Min.: 1
Mult.: 1
Altech Circuit Breakers 6A MCB CCHARL 480Y/277VAC UL508 1In Stock
Min.: 1
Mult.: 1

UM 6 A 277 VAC 80 VDC 3 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 5A CRT BRKR ECHAR 277VAC UL508 2In Stock
Min.: 1
Mult.: 1

UM 5 A 277 VAC 80 VDC 3 Pole Handle - 25 C + 55 C Non-Illuminated


AIRPAX Circuit Breakers 3In Stock
Min.: 1
Mult.: 1

IAL/IDL/IML/IUL Circuit Breakers Hydraulic Magnetic 250 VAC 80 VDC 2 Pole Handle - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
Min.: 1
Mult.: 1
Circuit Breakers 40 A 3 Pole Toggle - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
Min.: 1
Mult.: 1
IUG Circuit Breakers 30 A 2 Pole Toggle - 40 C + 85 C Non-Illuminated


AIRPAX Circuit Breakers 1In Stock
Min.: 1
Mult.: 1
Circuit Breakers Hydraulic Magnetic 240 VAC 80 VDC 2 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, HydMag, 1 pl, 125VAC, 20A 2In Stock
Min.: 1
Mult.: 1
Snapak Thermal Circuit Breakers Thermal 15 A 2 Pole Push to Reset - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers 1In Stock
Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 5 A 2 Pole Rocker - 40 C + 85 C Non-Illuminated
ABB Circuit Breakers UL489 MCB 1P C 50A 240
3In Stock
4On Order
Min.: 1
Mult.: 1
SU200M Circuit Breakers 50 A 1 Pole
ABB Circuit Breakers UL489 MCB 2P C 0.5A 480/277
5In Stock
Min.: 1
Mult.: 1
SU200M Circuit Breakers 500 mA 2 Pole


Carling Technologies Circuit Breakers CIRCUIT BREAKER 42In Stock
10Expected 09/09/2026
Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers 4.75 A 277 VAC 80 VDC 1 Pole Handle - 40 C + 85 C 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 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