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: 151 461
Select Image Part # Mfr. Description Datasheet Availability Pricing (EUR) 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
E-T-A Circuit Breakers Single pole miniaturised magnetic circuit breakers with unique high-speed operating mechanism and push/pull on/off manual actuation. Fitted with electrically separate excitation and switching circuits, and one pair of auxiliary contac 43In Stock
Min.: 1
Mult.: 1

808 Circuit Breakers Miniature 500 mA 24 VDC 1 Pole - 30 C + 70 C Non-Illuminated


E-T-A Circuit Breakers 508, 1P, DM, 24VDC, 1CH, 4A, No Comm 43In Stock
Min.: 1
Mult.: 1

REX12-T Circuit Breakers Electronic 4 A 24 VDC 1 Pole - 25 C + 60 C Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 13In Stock
Min.: 1
Mult.: 1
IEL
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 48In Stock
Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 15 A 2 Pole - 40 C + 85 C Non-Illuminated
Siemens Circuit Breakers MSP S00 FOR XFRMR 5.5-8A SCREW 9In Stock
Min.: 1
Mult.: 1

3RV2 Circuit Breakers Transformer Protection 8 A 690 VAC 3 Pole - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers TMCB UL489 S00 3.2A SCREW 5In Stock
Min.: 1
Mult.: 1

3RV2 Circuit Breakers System Protection 3.2 A 690 VAC 3 Pole - 20 C + 60 C Non-Illuminated
E-T-A Circuit Breakers Miniaturised single pole press-to-reset cycling trip free thermal circuit breaker designed for automotive fuse block installation. Extends the benefits of circuit breaker performance and convenience to applications which are cost cri 570In Stock
Min.: 1
Mult.: 1

1610 Miniature Circuit Breakers Automotive 20 A 24 VDC 1 Pole - 40 C + 85 C Non-Illuminated
E-T-A Circuit Breakers Single pole, thermal miniaturised circuit breaker designed for automotive applications. Fits into fuse blocks designed to ISO 8820-3, Type F. Automatic reset (for DC 12 V only) and open circuit (modified reset to SAE) version optional. Open circuitve 425In Stock
Min.: 1
Mult.: 1

1620 Miniature Circuit Breakers Automotive 30 A 24 VDC 1 Pole - 40 C + 85 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 48In Stock
Min.: 1
Mult.: 1

2-5700 Thermal Circuit Breakers Overcurrent Protection 38 A 250 VAC 28 VDC 1 Pole - 20 C + 60 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 protection of motors 414In Stock
Min.: 1
Mult.: 1

3120-N Thermal Circuit Breakers Overcurrent Protection 8 A 240 VAC 50 VDC 2 Pole - 30 C + 60 C Non-Illuminated


Phoenix Contact Circuit Breakers CBMC E4 24DC/1-10A S-R 92In Stock
Min.: 1
Mult.: 1

CBMC Circuit Breakers Electronic 40 A 24 VDC 1 Pole - 25 C + 60 C Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 25In Stock
Min.: 1
Mult.: 1
Circuit Breakers 30 A 2 Pole - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers CIRCUIT BREAKER 34In Stock
Min.: 1
Mult.: 1

Snapak Thermal Circuit Breakers Thermal 5 A 250 VAC 65 VDC 2 Pole - 40 C + 85 C Non-Illuminated
Schneider Electric Circuit Breakers MAN-START 600VAC 40AMP IEC 6In Stock
Min.: 1
Mult.: 1

GV


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) integral type. Approved to CBE standard EN 60934 (IEC 60934). For higher current ratings see 297In Stock
Min.: 1
Mult.: 1

104 Thermal Circuit Breakers Overcurrent Protection 4 A 240 VAC 48 VDC 1 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 162In Stock
Min.: 1
Mult.: 1

1410-L1 Thermal Circuit Breakers Overcurrent Protection 1 A 240 VAC 28 VDC 1 Pole - 20 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 208In Stock
Min.: 1
Mult.: 1

3120-N Thermal Circuit Breakers Overcurrent Protection 20 A 240 VAC 50 VDC 2 Pole - 30 C + 60 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
Min.: 1
Mult.: 1

AP Circuit Breakers Hydraulic Magnetic 3 A 240 VAC 50 VDC 2 Pole - 40 C + 100 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 14In Stock
Min.: 1
Mult.: 1
IAL/IDL/IML/IUL Circuit Breakers Hydraulic Magnetic 2 A - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers CIRCUIT BREAKER 2In Stock
Min.: 1
Mult.: 1
Siemens Circuit Breakers MSP S00 1.1-1.6A SCREW 16In Stock
Min.: 1
Mult.: 1

3RV2 Circuit Breakers Motor Protection 1.6 A 690 VAC 3 Pole - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers MSP S0 20-25A SCREW 7In Stock
Min.: 1
Mult.: 1

3RV2 Circuit Breakers Motor Protection 25 A 690 VAC 3 Pole - 20 C + 60 C Non-Illuminated


Schneider Electric Circuit Breakers MAN-START 600VAC 40AMP IEC 4In Stock
Min.: 1
Mult.: 1

GV
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 65In Stock
Min.: 1
Mult.: 1

1140 Miniature Circuit Breakers Overcurrent Protection 15 A 240 VAC 48 VDC 1 Pole - 20 C + 60 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 190In Stock
Min.: 1
Mult.: 1

3130-F Thermal Overcurrent 12 A 415 VAC 50 VDC 2 Pole - 30 C + 60 C Illuminated