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: 151.453
Select Image Part # Mfr. Description Datasheet Availability Pricing (DKK) 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
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 3In Stock
Min.: 1
Mult.: 1
Snapak Thermal Circuit Breakers Thermal 20 A 1 Pole Rocker - 40 C + 85 C Non-Illuminated


AIRPAX Circuit Breakers Cir Brkr,HydMag 2In Stock
Min.: 1
Mult.: 1

Thermal Circuit Breakers Thermal 1 A 250 VAC 65 VDC 1 Pole Paddle - 40 C + 85 C Non-Illuminated Bulk
AIRPAX Circuit Breakers Cir Brkr, HydMag, 1 pl, 18VDC relay VT 2In Stock
Min.: 1
Mult.: 1

Snapak Thermal Circuit Breakers Thermal 1 Pole Paddle
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
Min.: 1
Mult.: 1
Snapak Thermal Circuit Breakers Thermal 15 A 2 Pole Paddle - 40 C + 85 C Non-Illuminated
ABB Circuit Breakers MCB ST200M 1P K 13A UL1077
7In Stock
Min.: 1
Mult.: 1
ST200M Circuit Breakers 13 A 1 Pole
ABB Circuit Breakers MCB SU200ML 3P K 60A UL 489
3In Stock
Min.: 1
Mult.: 1
SU200ML Circuit Breakers 60 A 3 Pole
ABB Circuit Breakers MCB SU200MR RTT 3P K 50A BCP
3In Stock
Min.: 1
Mult.: 1
SU200MR Circuit Breakers 50 A 3 Pole
Siemens Circuit Breakers MCB 5SJ4 3P 240V 45A 10K D-TRIP 1In Stock
Min.: 1
Mult.: 1
Circuit Breakers Miniature 45 A 240 VAC 60 VDC 3 Pole Lever - 25 C + 55 C Non-Illuminated
Siemens Circuit Breakers SUP PTOR 5SY4 1P 240V 32A 7.5K A-TRIP 1In Stock
Min.: 1
Mult.: 1
Circuit Breakers Miniature 32 A 400 VAC 60 VDC 1 Pole Lever - 40 C + 70 C Non-Illuminated
Siemens Circuit Breakers SUP PTOR 5SY4 2P 480V 4A 5K A-TRIP 5In Stock
Min.: 1
Mult.: 1
Circuit Breakers Miniature 4 A 400 VAC 60 VDC 2 Pole Lever - 40 C + 70 C Non-Illuminated
Siemens Circuit Breakers SUP PTOR 5SY4 3P 480V 0.5A 5K D-TRIP 1In Stock
Min.: 1
Mult.: 1
Circuit Breakers Miniature 500 mA 400 VAC 3 Pole Lever - 40 C + 70 C Non-Illuminated
APC by Schneider Electric Circuit Breakers MOLDED CASE CIRCUIT BRKR 600Y/347V 125A 1In Stock
Min.: 1
Mult.: 1
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 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


AIRPAX Circuit Breakers Cir Brkr Hyd Mag 14In Stock
Min.: 1
Mult.: 1

IAL/IDL/IML/IUL Circuit Breakers Hydraulic Magnetic 240 VAC 80 VDC 1 Pole Handle - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 30In Stock
Min.: 1
Mult.: 1
Snapak Thermal Circuit Breakers Thermal 20 A 1 Pole Rocker - 40 C + 85 C Illuminated
Schneider Electric Circuit Breakers MAN-START 575VAC IEC UNDERVOLTAGE TRIP 13In Stock
Min.: 1
Mult.: 1
GV Circuit Breakers 480 VAC, 415 VAC to 440 VAC 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 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 68In Stock
Min.: 1
Mult.: 1

1110-Fx12-P1M1 Circuit Breakers Thermal 16 A 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