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: 151,465
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
Siemens Circuit Breakers SUP PTOR 5SY4 1P 240V 2.5A 7.5K C-TRIP 2In Stock
Min.: 1
Mult.: 1
Circuit Breakers Miniature 2.5 A 400 VAC 60 VDC 1 Pole Lever - 40 C + 70 C Non-Illuminated
Siemens Circuit Breakers BREAKER 55A 1P 120V 10K BL 5In Stock
Min.: 1
Mult.: 1
Schneider Electric Circuit Breakers MOLDED CASE CIRCUIT BRKR 600Y/347V 60A 1In Stock
Min.: 1
Mult.: 1
BDF
Weidmuller 7940102672
Weidmuller Circuit Breakers QZ-2-13-D-2-30.0
53In Stock
Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers AC 30 A 480 VAC 2 Pole Lever - 40 C + 85 C Non-Illuminated
E-T-A Circuit Breakers Miniaturised single pole thermal circuit breaker with push-to-reset tease-free, trip-free, snap action mechanism (R-type TO CBE to EN 60934), threadneck mounting. For lower current ratings see types 106. Approved to CBE standard E 68In Stock
Min.: 1
Mult.: 1

1140 Miniature Circuit Breakers Overcurrent Protection 12 A 240 VAC 48 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated
E-T-A Circuit Breakers Miniaturised double pole thermal circuit breaker with push-to-reset tease-free, trip-free, snap action mechanism (R-type TO CBE to EN 60934). Threadneck panel mounting. Suitable for line and neutral switching - the thermal actuator op 51In Stock
Min.: 1
Mult.: 1

1140 Miniature Circuit Breakers Overcurrent Protection 5 A 240 VAC 48 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated


AIRPAX Circuit Breakers Cir Brkr Hyd Mag 7In Stock
Min.: 1
Mult.: 1
IAL/IDL/IML/IUL
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 6In Stock
Min.: 1
Mult.: 1

IUGH Circuit Breakers Hydraulic Magnetic 20 A 240 VAC 80 VDC 2 Pole Toggle - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 3In Stock
Min.: 1
Mult.: 1

IAL/IDL/IML/IUL Circuit Breakers Hydraulic Magnetic 50 A 250 VAC 80 VDC 3 Pole Toggle - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers CIRCUIT BREAKER 11In Stock
Min.: 1
Mult.: 1

Snapak Thermal Circuit Breakers Thermal 1 A 250 VAC 65 VDC 2 Pole Rocker - 40 C + 85 C Illuminated
Schneider Electric Circuit Breakers MAN-START 600VAC 40AMP IEC 2In Stock
Min.: 1
Mult.: 1

GV Circuit Breakers Thermal Magnetic 40 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
E-T-A Circuit Breakers Single pole press-to-reset thermal circuit breaker with extremely fast overload switching performance (R-type TO CBE to EN 60934), PCB mounting. Miniaturised construction minimises PCB real estate required. Type 1410-L2 features chang 148In Stock
Min.: 1
Mult.: 1

1410-L2 Thermal Circuit Breakers Overcurrent Protection 4.5 A 240 VAC 28 VDC 1 Pole Rocker - 20 C + 70 C Non-Illuminated
E-T-A Circuit Breakers Single pole switch/thermal circuit breaker (S-type TO CBE to EN 60934) with tease-free, trip-free, snap action mechanism. Designed for snap-in panel mounting utilising round hole or industry standard fuse-holder cut-out dimensions. Fe 44In Stock
Min.: 1
Mult.: 1

1110-Fx12-P1M1 Thermal Overcurrent 500 mA 250 VAC 50 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated
E-T-A Circuit Breakers Miniaturised double pole thermal circuit breaker with push-to-reset tease-free, trip-free, snap action mechanism (R-type TO CBE to EN 60934). Threadneck panel mounting. Suitable for line and neutral switching - the thermal actuator op 50In Stock
Min.: 1
Mult.: 1

1140 Miniature Circuit Breakers Overcurrent Protection 150 mA 240 VAC 48 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated
E-T-A Circuit Breakers Single pole thermal circuit breaker with press-to-reset, tease-free, trip-free, snap action mechanism. Type 2-5700 can be supplied as a push-push switch/circuit breaker (R-type TO CBE to EN 60934 in press-to-reset configuration; S-typ 42In Stock
Min.: 1
Mult.: 1

2-5700 Thermal Circuit Breakers Overcurrent Protection 32 A 250 VAC 28 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated
Phoenix Contact Circuit Breakers EC-E 12A 12 A, W/ RMT RESET 7In Stock
Min.: 1
Mult.: 1

EC-E Circuit Breakers Electronic 12 A 24 VDC 1 Pole Slide 0 C + 50 C Non-Illuminated Bulk
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 3In Stock
Min.: 1
Mult.: 1

IDG Circuit Breakers Marine Ignition Protection 15 A 240 VAC 80 VDC 3 Pole Toggle - 40 C + 85 C Non-Illuminated


AIRPAX Circuit Breakers Cir Brkr,HydMag 8In Stock
Min.: 1
Mult.: 1
Circuit Breakers Hydraulic Magnetic 240 VAC 80 VDC 1 Pole Toggle - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 45In Stock
Min.: 1
Mult.: 1
Snapak Thermal Circuit Breakers Thermal 3 A 1 Pole Push to Reset - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers CIRCUIT BREAKER 24In Stock
Min.: 1
Mult.: 1

Snapak Thermal Circuit Breakers Thermal 10 A 2 Pole Push to Reset
E-T-A Circuit Breakers Single, two and three pole rocker switch/thermal trip free circuit breakers (S-type TO CBE to EN 60934) of compact design for snap-in panel mounting. Available either with protection on one/both/all poles or, in the case of the double 28In Stock
Min.: 1
Mult.: 1

3130-F Circuit Breakers Thermal 10 A 240 VAC, 415 VAC 50 VDC 1 Pole Rocker - 30 C + 60 C Illuminated
Phoenix Contact Circuit Breakers CB TM1 0.5A SFB P 23In Stock
Min.: 1
Mult.: 1

CB TM1 Circuit Breakers Thermal Magnetic 500 mA 50 VDC 1 Pole Slide - 30 C + 60 C Non-Illuminated


E-T-A Circuit Breakers Single pole press-to-reset thermal circuit breaker with extremely fast overload switching performance (R-type TO CBE to EN 60934). Miniaturised construction minimises PCB real estate required. Largely temperature-insensitive.x -E. Ret 107In Stock
Min.: 1
Mult.: 1

1410-L1 Thermal Circuit Breakers Overcurrent Protection 4 A 240 VAC 28 VDC 1 Pole Rocker - 20 C + 70 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 8In Stock
Min.: 1
Mult.: 1

413 Thermal Circuit Breakers Thermal Magnetic 90 A 28 VDC 1 Pole Push-Pull - 55 C + 75 C Non-Illuminated
E-T-A Circuit Breakers The 3120-N...4 IP65 rated 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...4 is ideally suite 25In Stock
Min.: 1
Mult.: 1

3120-N Thermal Circuit Breakers Overcurrent Protection 10 A 240 VAC 50 VDC 2 Pole Rocker - 30 C + 60 C Non-Illuminated