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: 151 988
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 Actuator Minimum Operating Temperature Maximum Operating Temperature Illuminated Packaging
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 48In Stock
Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 15 A 2 Pole Push-Pull - 40 C + 85 C Non-Illuminated
Siemens Circuit Breakers MSP,GROUP TAP,S00,CL10,1.1-1.6A,SCREW 10In Stock
Min.: 1
Mult.: 1

3RV1 Circuit Breakers Motor Protection 1.6 A 690 VAC 3 Pole Toggle - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers MSP S0 11-16A SCREW W/AUX 1NO/1NC 6In Stock
Min.: 1
Mult.: 1

3RV2 Circuit Breakers Motor Protection 16 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers MSP S2 CLASS 10 28-36A SCREW 6In Stock
Min.: 1
Mult.: 1

3RV2 Circuit Breakers Motor Protection 36 A 690 VAC 3 Pole Rotary - 20 C + 60 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 Rotary - 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 Rotary - 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 65In Stock
Min.: 1
Mult.: 1

1140 Miniature Circuit Breakers Overcurrent Protection 15 A 240 VAC 48 VDC 1 Pole Push to Reset - 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 Rocker - 30 C + 60 C 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 176In Stock
Min.: 1
Mult.: 1

3120-N Thermal Circuit Breakers Overcurrent Protection 3 A 240 VAC 50 VDC 2 Pole Rocker - 30 C + 60 C Non-Illuminated


AIRPAX Circuit Breakers Cir Brkr Hyd Mag 5In Stock
Min.: 1
Mult.: 1

Circuit Breakers Manual Motor Controller 100 A 120 VAC, 240 VAC 3 Pole Handle Non-Illuminated
Siemens Circuit Breakers MSP S00 5.5-8A SCREW 9In Stock
Min.: 1
Mult.: 1

3RV2 Circuit Breakers Motor Protection 8 A 690 VAC 3 Pole Rotary - 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 70In Stock
Min.: 1
Mult.: 1

2-5700 Thermal Circuit Breakers Overcurrent Protection 38 A 250 VAC 28 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated
Phoenix Contact Circuit Breakers EC-E1 6A 6 A, N/O SIGNAL CNT 26In Stock
Min.: 1
Mult.: 1

EC-E Circuit Breakers Electronic 6 A 24 VDC 1 Pole Slide 0 C + 50 C Non-Illuminated Bulk
AIRPAX Circuit Breakers CIRCUIT BREAKER 13In Stock
Min.: 1
Mult.: 1

IEG Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic Handle
Siemens Circuit Breakers MSP S0 9 - 12.5A SCREW 10In Stock
Min.: 1
Mult.: 1

3RV2 Circuit Breakers Motor Protection 12.5 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers MCB 5SJ4 2P 480/277 6A 10K D-TRIP 13In Stock
Min.: 1
Mult.: 1
5SJ4 Circuit Breakers Miniature 6 A 277 VAC, 480 VAC 60 VDC 2 Pole Lever - 25 C + 55 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) for PCB mounting. Approved to CBE standard EN 60934 (IEC 60934). For higher current ratings 141In Stock
Min.: 1
Mult.: 1

104 Thermal Circuit Breakers Overcurrent Protection 10 A 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 108In Stock
Min.: 1
Mult.: 1

2-5700 Thermal Circuit Breakers Overcurrent Protection 20 A 250 VAC 28 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated


E-T-A Circuit Breakers 1077, 3P, DM, 480VAC/60VDC, D, 30A 140In Stock
Min.: 1
Mult.: 1

4230-T Miniature Circuit Breakers Thermal Magnetic 30 A 415 VAC 3 Pole Toggle - 35 C + 70 C Non-Illuminated


Phoenix Contact Circuit Breakers CAPAROC E2 12-24DC/2-10A 152In Stock
Min.: 1
Mult.: 1

CAPAROC E2 Circuit Breakers Electronic 10 A 24 VDC 2 Pole Lever - 30 C + 65 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 12In Stock
Min.: 1
Mult.: 1
IEL
AIRPAX Circuit Breakers Cir Brkr,HydMag 14In Stock
Min.: 1
Mult.: 1
IAL/IDL/IML/IUL Circuit Breakers Hydraulic Magnetic 7 A Handle - 40 C + 85 C Non-Illuminated
Siemens Circuit Breakers MSP S2 CLASS 10 42-52A SCREW 7In Stock
Min.: 1
Mult.: 1

3RV2 Circuit Breakers Motor Protection 52 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated


Weidmuller Circuit Breakers CB4201-10, 1.5A/TS35
13In Stock
Min.: 1
Mult.: 1
CB4201 AC


E-T-A Circuit Breakers Compact single pole thermal circuit breaker with push-to-reset, tease free, trip free, snap action mechanism and separate (colour coded) manual release. Combining full feature circuit breaker protection and convenience with low cost o 348In Stock
Min.: 1
Mult.: 1

1170 Miniature Circuit Breakers Automotive 8 A 28 VDC 1 Pole Push to Reset - 40 C + 85 C Non-Illuminated