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: 151 461
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 Minimum Operating Temperature Maximum Operating Temperature Illuminated Packaging
AIRPAX Circuit Breakers CIRCUIT BREAKER 4In Stock
Min.: 1
Mult.: 1

IEG Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic
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. Approved to CBE standard EN 60934 (IEC 60934). For higher current rati 95In Stock
Min.: 1
Mult.: 1

106-M2 Thermal Circuit Breakers Overcurrent Protection 4 A 240 VAC 48 VDC 1 Pole - 20 C + 60 C Non-Illuminated


E-T-A Circuit Breakers 508, 1P, PL, 24VDC, RE, SF, 2A 10In Stock
Min.: 1
Mult.: 1
REF16-S Circuit Breakers Electronic 2 A 24 VDC 1 Pole - 25 C + 50 C Illuminated
Siemens Circuit Breakers MSP S0 17-22A SCREW 5In Stock
Min.: 1
Mult.: 1

3RV2 Circuit Breakers Motor Protection 22 A 690 VAC 3 Pole - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers MSP S0 20-25A AUX 1NO 1NC SCREW 3In Stock
Min.: 1
Mult.: 1

3RV2 Circuit Breakers Motor Protection 25 A 690 VAC 3 Pole - 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). 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 - 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 - 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 - 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 - 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 - 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 1077, 1P, plug, 250VAC/72VDC, T, w/switch function, 0.5A 80In Stock
Min.: 1
Mult.: 1

1180 Circuit Breakers Overcurrent Protection 500 mA 250 VAC 65 VDC 1 Pole - 20 C + 60 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 23In Stock
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection 8 A 230 VAC 50 VDC 2 Pole - 30 C + 60 C 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). Designed for plug-in mounting with E-T-A sockets 17-P10-Si, 23-P10-Si, 63-P10-Si; or 16In Stock
Min.: 1
Mult.: 1

3600 Thermal Circuit Breakers Thermal Magnetic 500 mA 240 VAC 65 VDC 1 Pole - 30 C + 60 C Non-Illuminated
Weidmuller Circuit Breakers HB2201UC HYD.MCB UL489 2P,Curve2,1.0A 18In Stock
Min.: 1
Mult.: 1

HB Circuit Breakers Hydraulic Magnetic 1 A 120 VAC, 240 VAC 80 VDC 2 Pole - 40 C + 85 C Non-Illuminated Bulk
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 58In Stock
Min.: 1
Mult.: 1
Snapak Thermal Circuit Breakers Thermal 1 A 1 Pole - 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 - 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 - 30 C + 60 C Non-Illuminated
Siemens Circuit Breakers MCB 5SJ4 1P 240V 5A SAME PH 14K D-TRIP 16In Stock
Min.: 1
Mult.: 1
5SJ4 Circuit Breakers Miniature 5 A 240 VAC 60 VDC 1 Pole - 25 C + 55 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 - 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 - 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 - 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 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 - 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 - 40 C + 85 C Non-Illuminated