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: 162.060
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 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 Single pole compact 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 posit 1In Stock
Rp4.522.289,00
Rp3.424.464,36
Rp3.106.344,72
Min.: 1
Mult.: 1
482-G Thermal Circuit Breakers 6 A 115 VAC 28 VDC 1 Pole Push-Pull - 55 C + 75 C Non-Illuminated


AIRPAX Circuit Breakers 3In Stock
Rp1.955.683,60
Rp1.852.946,00
Rp1.750.024,94
Rp1.671.320,60
Rp1.608.760,74
Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 7.5 A 2 Pole Rocker - 40 C + 85 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 sui 66In Stock
Rp739.894,18
Rp613.673,70
Rp565.974,10
Rp474.244,10
Rp419.389,56
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection 20 A 240 VAC 50 VDC 2 Pole Rocker - 30 C + 60 C Non-Illuminated
E-T-A Circuit Breakers 1In Stock
Rp4.433.861,28
Rp3.674.887,26
Rp3.387.405,44
Rp2.799.232,68
Min.: 1
Mult.: 1
482-G Thermal Circuit Breakers 4 A 115 VAC 28 VDC 1 Pole Push-Pull - 55 C + 75 C Non-Illuminated


E-T-A Circuit Breakers MoQ=10 Non-Preferred Part (Build to Order) - Alternative Stocked Part Number 2210-S211-P1M1-Z141-20A 93 9In Stock
Rp4.529.627,40
Rp3.754.325,44
Rp3.551.051,76
Rp3.111.481,60
Min.: 1
Mult.: 1
2210-S2 Thermal Circuit Breakers Thermal Magnetic 20 A 250 VAC, 433 VAC 65 VDC 1 Pole Toggle - 30 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 80In Stock
Rp1.070.856,02
Rp888.313,32
Rp823.735,40
Rp703.385,64
Min.: 1
Mult.: 1
3130-F Thermal Overcurrent 7 A 415 VAC 50 VDC 2 Pole Rocker - 30 C + 60 C Non-Illuminated
E-T-A Circuit Breakers Single pole compact 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 posit 25In Stock
Rp3.251.278,12
Rp3.236.968,24
Rp2.971.685,08
Rp2.142.262,42
Rp2.090.710,16
Min.: 1
Mult.: 1
482 Thermal Circuit Breakers Thermal 35 A 115 VAC 28 VDC 1 Pole Push-Pull - 55 C + 75 C Non-Illuminated
Eaton Electrical Circuit Breakers QBHW 3P 100A 240VAC MAX 22KAIC 1In Stock
Rp29.228.847,20
Min.: 1
Mult.: 1
ABB Circuit Breakers RCBO DS201 2P C20A 30MA UL 18In Stock
30Expected 14/01/2027
Rp5.242.552,96
Rp4.611.817,48
Rp4.320.116,08
Rp3.847.890,04
Min.: 1
Mult.: 1
E-T-A Circuit Breakers Single pole compact 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 posit 20In Stock
Rp2.668.792,62
Rp2.307.192,96
Rp2.106.671,18
Min.: 1
Mult.: 1
482 Thermal Circuit Breakers Push-Pull
TE Connectivity / Raychem Circuit Breakers 30AMP 277VAC TOGGLE 2 POLE 14In Stock
144Expected 11/01/2027
Rp4.323.234,90
Rp3.785.697,10
Min.: 1
Mult.: 1
W6 Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic 30 A 277 VAC 2 Pole Toggle - 40 C + 85 C Non-Illuminated
E-T-A Circuit Breakers Very cost effective design to meet international requirements. No exposed metal parts which are current-carrying except for terminals. R-type TO CBE to EN 60934. Units built to order. For requests under 500 pcs contact Customer Servi 569In Stock
Rp133.558,88
Rp127.137,78
Rp122.551,28
Rp92.280,38
Min.: 1
Mult.: 1
1658 Thermal Circuit Breakers Overcurrent Protection 10 A 240 VAC 28 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated


TE Connectivity / P&B Circuit Breakers W58-XA6A4A-3=CKTBKR THERM PB Q 416In Stock
Rp129.522,76
Rp100.169,16
Rp89.161,56
Rp82.740,46
Min.: 1
Mult.: 1
W58 Thermal Circuit Breakers Thermal Magnetic 3 A 250 VAC 50 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated


TE Connectivity / P&B Circuit Breakers 5A ROCKR ACT RED ILL 1.786In Stock
Rp112.277,52
Rp99.068,40
Rp86.776,58
Rp77.420,12
Min.: 1
Mult.: 1
W51 Circuit Breakers Thermal 5 A 125 VAC 50 VDC 1 Pole Rocker 0 C + 50 C Illuminated
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER SWITCH 30A WH 81In Stock
Rp1.073.607,92
Rp993.068,98
Rp992.885,52
Rp936.746,76
Min.: 1
Mult.: 1
W6 Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic 30 A 277 VAC 1 Pole Toggle - 40 C + 85 C Non-Illuminated


TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER SWITCH 30A BLK 148In Stock
Rp1.309.720,94
Rp1.256.701,00
Rp1.243.308,42
Min.: 1
Mult.: 1
W9 Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic 30 A 65 VDC 1 Pole Toggle - 40 C + 85 C Non-Illuminated


E-T-A Circuit Breakers Very cost effective design to meet international requirements. No exposed metal parts which are current-carrying except for terminals. R-type TO CBE to EN 60934. Units built to order. For requests under 500 pcs contact Customer Servi 1.909In Stock
Rp133.558,88
Rp127.137,78
Rp81.823,16
Rp68.247,12
Min.: 1
Mult.: 1
1658 Thermal Circuit Breakers Overcurrent Protection 20 A 240 VAC 28 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated
Phoenix Contact Circuit Breakers TMC 71C 30A 504In Stock
Rp415.536,90
Min.: 1
Mult.: 1
TMC 7 Circuit Breakers Thermal Magnetic 30 A 277 VAC 60 VDC 1 Pole Lever - 35 C + 70 C Non-Illuminated


TE Connectivity / P&B Circuit Breakers 10A 2-P Illum Amber P1 & P2 Trip QC 210In Stock
Rp1.784.515,42
Rp1.617.566,82
Rp1.562.895,74
Min.: 1
Mult.: 1
W33 Circuit Breakers Thermal 10 A 250 VAC 50 VDC 2 Pole Rocker - 20 C + 60 C Illuminated
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER SWITCH 30A BLK 152In Stock
Rp1.796.623,78
Rp1.628.941,34
Rp1.628.757,88
Rp1.516.480,36
Rp1.438.509,86
Min.: 1
Mult.: 1
W9 Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic 30 A 277 VAC 1 Pole Toggle - 40 C + 85 C Non-Illuminated
TE Connectivity / P&B Circuit Breakers 50A 2 POLE 2 TOGGLE 71In Stock
Rp2.693.376,26
Rp2.426.441,96
Min.: 1
Mult.: 1
W9 Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic 50 A 277 VAC 2 Pole Toggle - 40 C + 85 C Non-Illuminated
E-T-A Circuit Breakers MoQ=10 Non-Preferred Part (Build to Order) - Alternative Stocked Part Number 2210-S221-P1M1-Z241-12A 94 10In Stock
Rp4.709.418,20
Rp3.296.042,36
Rp3.116.435,02
Rp3.065.800,06
Min.: 1
Mult.: 1
2210-S2 Thermal Circuit Breakers Thermal Magnetic Toggle


TE Connectivity / P&B Circuit Breakers 5A ROCKR ACT RED ILL 400In Stock
Rp106.957,18
Rp96.133,04
Rp81.089,32
Rp78.337,42
Min.: 1
Mult.: 1
W51 Circuit Breakers Thermal 5 A 250 VAC 50 VDC 1 Pole Rocker 0 C + 50 C Illuminated