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.
More...


Please view our large selection of circuit breakers below.

Results: 151.566
Select Image Part # Mfr. Description Datasheet Availability Pricing (IDR) 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 thermal-magnetic circuit breakers with tease-free, trip-free, press-to-reset, snap action mechanism (R-type TM CBE to EN 60934; M-type with manual release (-H). Available with fast acting and standard magnetic tripping cha 1In Stock
Min.: 1
Mult.: 1

3400 Thermal Circuit Breakers Thermal Magnetic 8 A 240 VAC 65 VDC 1 Pole Push to Reset - 30 C + 60 C Non-Illuminated
E-T-A Circuit Breakers Single pole thermal-magnetic circuit breaker with tease-free, trip-free, snap action mechanism and two button operation (M-type TM CBE to EN 60934). Featuring a flange for panel mounting, and optional auxiliary contacts and unprotecte 5In Stock
Min.: 1
Mult.: 1

3500 Thermal Circuit Breakers Thermal Magnetic Push to Reset
E-T-A Circuit Breakers Single pole 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 position. Thr 1In Stock
10On Order
Min.: 1
Mult.: 1
412 Push-Pull
E-T-A Circuit Breakers Single pole 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 position. Thr 3In Stock
Min.: 1
Mult.: 1

412 Thermal 30 A 125 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 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 position. Thr 1In Stock
Min.: 1
Mult.: 1

413 Thermal Circuit Breakers Thermal Magnetic 35 A 115 VAC 28 VDC 1 Pole Push-Pull - 55 C + 75 C Non-Illuminated
E-T-A Circuit Breakers 1077, 1P, DM, 277VAC/60VDC, C, 50A 49In Stock
Min.: 1
Mult.: 1

4230-T Miniature Circuit Breakers Thermal Magnetic 50 A 240 VAC 80 VDC 1 Pole Toggle - 35 C + 70 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 prot 6In Stock
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection 20 A 240 VAC 50 VDC 2 Pole Rocker - 30 C + 60 C Non-Illuminated
E-T-A Circuit Breakers Combination of single pole circuit breaker and ON/OFF switch with soft-touch rocker actuation. Contoured rockers are available with a choice of colours and legends, with optional illumination. The 3131 is sealed to provide IP66 rated 3In Stock
Min.: 1
Mult.: 1

3131-A/C Circuit Breakers Thermal 10 A 1 Pole Rocker
E-T-A Circuit Breakers Single pole three-position switch with latching or momentary switch functions. Featuring a soft-touch contoured rocker actuator with optional illumination. The 3131 is sealed to provide IP66 rated front of panel water splash protectio 7In Stock
Min.: 1
Mult.: 1

3131-B/D Circuit Breakers Thermal 20 A 240 VAC 28 VDC 1 Pole Rocker - 20 C + 60 C Non-Illuminated


E-T-A Circuit Breakers 508, 1P, DM, 24VDC, N/C, RE, SF, ATX, 4A 2In Stock
Min.: 1
Mult.: 1

ESX10-T-E Circuit Breakers Electronic 4 A 24 VDC 1 Pole Slide - 25 C + 60 C Illuminated
E-T-A Circuit Breakers AC PEM, w/ 2 pole , 6A, 250V green rocker, C14 medical filtered inlet, pre-wired 1In Stock
Min.: 1
Mult.: 1

Thermal Circuit Breakers Overcurrent Protection 6 A 240 VAC 50 VDC 2 Pole Rocker - 30 C + 60 C Illuminated


E-T-A Circuit Breakers 508, 1P, DM, 48VDC, N/O, 10A 12In Stock
135On Order
Min.: 1
Mult.: 1
ESX10-TC Circuit Breakers Electronic 10 A 48 VDC 1 Pole Slide - 25 C + 60 C Illuminated
Weidmuller Circuit Breakers CB4201-10, 1.2A/TS35 8In Stock
Min.: 1
Mult.: 1
Thermal Circuit Breakers
Weidmuller Circuit Breakers CB4201-10, 6.5A/TS35 8In Stock
Min.: 1
Mult.: 1
Thermal Circuit Breakers
Eaton Electrical Circuit Breakers FAZ-NA UL 489 MCB 240VAC 1P 2A C CURVE 5In Stock
Min.: 1
Mult.: 1
FAZ Circuit Breakers Miniature 2 A 240 VAC 1 Pole Handle - 40 C + 75 C Non-Illuminated
Eaton Electrical Circuit Breakers FAZ-NA 240VAC 2P 5A C CURVE ring term 2In Stock
Min.: 1
Mult.: 1
Circuit Breakers Miniature 5 A 240 VAC, 415 VAC 2 Pole Handle - 40 C + 75 C Non-Illuminated
E-T-A Circuit Breakers 508, 1P, DM, 48VDC, N/O, 8A 7In Stock
Min.: 1
Mult.: 1
ESX10-TC Circuit Breakers Electronic 8 A 48 VDC 1 Pole Slide - 25 C + 60 C Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 3In Stock
Min.: 1
Mult.: 1
Snapak Thermal Circuit Breakers Thermal Push to Reset
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
Min.: 1
Mult.: 1
IUG
AIRPAX Circuit Breakers CIRCUIT BREAKER 2In Stock
Min.: 1
Mult.: 1
IEL
Altech Circuit Breakers TR11 sup. prot.,cent.mou.,black 10In Stock
Min.: 1
Mult.: 1
TR11 Circuit Breakers Supplementary Protector 2.7 A 240 VAC 50 VDC 1 Pole Pushbutton - 20 C + 60 C Non-Illuminated
Altech Circuit Breakers TR11 sup.protector,wing clip, 7In Stock
Min.: 1
Mult.: 1
TR11 Circuit Breakers Supplementary Protector 10 A 240 VAC 50 VDC 1 Pole Pushbutton - 20 C + 60 C Non-Illuminated
Murrelektronik Circuit Breakers Mico Pro electronic circuit protection, 2 channels, IN: 24 V DC OUT: 24 V DC / 1-2-3-4-5-6-7-8-9-10A 1In Stock
Min.: 1
Mult.: 1

9 Circuit Breakers MICO 40 A 12 VDC, 24 VDC 2 Pole - 25 C + 55 C Non-Illuminated Bulk


AIRPAX Circuit Breakers Cir Brkr,HydMag 1In Stock
Min.: 1
Mult.: 1
IEL


AIRPAX Circuit Breakers Switch Only, 50VDC/120VAC, 15A, relay 1In Stock
Min.: 1
Mult.: 1

203 Circuit Breakers Magnetic 15 A 250 VAC 50 VDC Rocker - 40 C + 85 C Non-Illuminated