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: 162.059
Select Image Part # Mfr. Description Datasheet Availability Pricing (IDR) 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
Siemens Circuit Breakers MSP S0 23-28A SCREW 12In Stock
Rp9.230.973,36
Rp7.646.245,88
Rp7.046.148,22
Min.: 1
Mult.: 1
3RV2 Circuit Breakers Motor Protection 28 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers MSP S2 CLASS 20 22-32A SCREW 5In Stock
Rp11.638.885,86
Rp9.940.229,72
Rp8.882.399,36
Min.: 1
Mult.: 1
3RV2 Circuit Breakers Motor Protection 32 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers SUP PTOR 5SY4 1P 240V 6A 7.5K B-TRIP 44In Stock
Rp1.223.678,20
Rp1.065.352,22
Rp1.024.807,56
Rp1.008.846,54
Min.: 1
Mult.: 1
Circuit Breakers Miniature 6 A 400 VAC 60 VDC 1 Pole Lever - 40 C + 70 C Non-Illuminated
Siemens Circuit Breakers SUP PTOR 5SY4 1P 240V 15A 7.5K C-TRIP 32In Stock
Rp1.230.282,76
Rp1.040.401,66
Rp980.226,78
Rp873.269,60
Min.: 1
Mult.: 1
Circuit Breakers Miniature 15 A 400 VAC 60 VDC 1 Pole Lever - 40 C + 70 C Non-Illuminated
Schneider Electric Circuit Breakers MAN-START 600VAC 40AMP IEC 6In Stock
Rp7.311.247,92
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
Rp639.725,02
Rp549.279,24
Rp508.551,12
Rp450.027,38
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
Rp966.283,82
Rp863.179,30
Rp757.322,88
Rp695.680,32
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 172In Stock
Rp627.433,20
Rp520.659,48
Rp480.114,82
Rp397.741,28
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
Phoenix Contact Circuit Breakers HMC11 120AC 10A C1D2 34In Stock
Rp3.603.704,78
Min.: 1
Mult.: 1
HMC Circuit Breakers Hydraulic Magnetic 10 A 120 VAC 50 VDC 4 Pole Toggle - 40 C + 65 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 33In Stock
Rp811.810,50
Min.: 1
Mult.: 1
Circuit Breakers Hydraulic Magnetic 10 A 1 Pole Toggle - 40 C + 85 C Non-Illuminated
Siemens Circuit Breakers CIRCUIT BREAKER SZ S00, CLASS 10 7In Stock
Rp4.819.127,28
Rp4.321.767,22
Rp3.983.466,98
Rp3.289.988,18
Min.: 1
Mult.: 1
3RV2 Circuit Breakers Motor Protection 4 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Eaton Electrical Circuit Breakers FAZ 3P 16A D CURVE ring term 3In Stock
Rp14.459.583,36
Rp9.597.709,90
Rp9.154.287,08
Min.: 1
Mult.: 1
FAZ Circuit Breakers Miniature 16 A 240 VAC, 415 VAC 3 Pole Handle - 40 C + 75 C Non-Illuminated
Schneider Electric Circuit Breakers Multi9 C60BPR 1P C 30A 10kA 277V UL489 19In Stock
4Expected 16/11/2026
Rp2.311.596,00
Min.: 1
Mult.: 1
Multi9


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 131In Stock
Rp416.270,74
Rp324.173,82
Rp295.737,52
Rp266.567,38
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
Rp642.843,84
Rp533.318,22
Rp468.189,92
Rp408.381,96
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


Phoenix Contact Circuit Breakers CAPAROC E2 12-24DC/2-10A 152In Stock
Rp1.708.746,44
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
Rp3.105.243,96
Rp2.825.100,54
Rp1.962.655,08
Rp1.725.257,84
Min.: 1
Mult.: 1
IEL
AIRPAX Circuit Breakers CIRCUIT BREAKER 9In Stock
Rp2.529.729,94
Rp2.301.872,62
Rp1.599.220,82
Rp1.405.303,60
Min.: 1
Mult.: 1
IUGN Circuit Breakers Hydraulic Magnetic 10 A 240 VAC 80 VDC 2 Pole Toggle - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr,HydMag 14In Stock
Rp1.679.209,38
Rp1.527.671,42
Rp1.061.316,10
Rp932.894,10
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 S00 2.8-4A AUX 1NO 1NC SCREW 10In Stock
Rp5.690.011,90
Rp4.909.389,60
Rp4.734.552,22
Min.: 1
Mult.: 1
3RV2 Circuit Breakers Motor Protection 4 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers MSP S00 9-12.5A SCREW 11In Stock
Rp5.166.783,98
Rp4.616.220,52
Rp4.325.619,88
Rp3.647.735,18
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 MSP S0 27-32A AUX 1NO 1NC SCREW 7In Stock
Rp10.176.526,20
Rp8.480.071,58
Rp7.813.377,94
Min.: 1
Mult.: 1
3RV2 Circuit Breakers Motor Protection 32 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers MSP S2 CLASS 10 42-52A SCREW 7In Stock
Rp12.064.329,60
Rp10.651.320,68
Rp9.203.821,28
Min.: 1
Mult.: 1
3RV2 Circuit Breakers Motor Protection 52 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
E-T-A Circuit Breakers 508, 1P, DM, 24VDC, 2CH, ,4A/4A, No Comm CL2 32In Stock
Rp1.816.070,54
Rp1.575.921,40
Rp1.347.880,62
Rp1.303.666,76
Min.: 1
Mult.: 1
Push to Reset
ABB Circuit Breakers THQB MCB 10KA 3P 240V 3In Stock
Rp18.107.685,46
Rp11.118.593,30
Min.: 1
Mult.: 1