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: 151.470
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 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
Rp5.377.029,14
Rp4.791.241,36
Rp4.417.533,34
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 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 404In Stock
Rp188.963,80
Rp156.858,30
Rp144.749,94
Rp119.982,84
Min.: 1
Mult.: 1
1620 Miniature Circuit Breakers Automotive 30 A 24 VDC 1 Pole Push to Reset - 40 C + 85 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 413In Stock
Rp888.496,78
Rp736.958,82
Rp598.996,90
Rp544.142,36
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection 8 A 240 VAC 50 VDC 2 Pole Rocker - 30 C + 60 C Non-Illuminated


Phoenix Contact Circuit Breakers CBMC E4 24DC/1-10A S-R 90In Stock
Rp2.133.456,34
Min.: 1
Mult.: 1
CBMC Circuit Breakers Electronic 40 A 24 VDC 1 Pole Pushbutton - 25 C + 60 C Illuminated
AIRPAX Circuit Breakers Cir Brkr,HydMag 24In Stock
Rp2.529.729,94
Rp2.301.872,62
Rp1.599.220,82
Rp1.405.303,60
Min.: 1
Mult.: 1
Circuit Breakers 30 A 2 Pole Toggle - 40 C + 85 C Non-Illuminated
Siemens Circuit Breakers MSP S0 3.5 - 5A SCREW 29In Stock
Rp5.415.372,28
Rp4.472.571,34
Rp4.159.038,20
Rp3.430.518,54
Min.: 1
Mult.: 1
3RV2 Circuit Breakers Motor Protection 5 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers MSP S0 23-28A SCREW 12In Stock
Rp9.231.707,20
Rp7.646.979,72
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 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
Phoenix Contact Circuit Breakers CAPAROC E2 12-24DC/2-10A EX 43In Stock
Rp1.729.844,34
Min.: 1
Mult.: 1
Circuit Breakers Electronic 10 A 12 VDC, 24 VDC 2 Pole - 30 C + 65 C


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
Rp414.803,06
Rp344.170,96
Rp317.569,26
Rp281.427,64
Min.: 1
Mult.: 1
104 Thermal Circuit Breakers Overcurrent Protection 4 A 240 VAC 48 VDC 1 Pole Push to Reset - 20 C + 60 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 92In Stock
Rp441.955,14
Rp411.133,86
Rp324.724,20
Rp324.173,82
Min.: 1
Mult.: 1
1110-Fx12-P1M1 Circuit Breakers Thermal 2.5 A 250 VAC 50 VDC 1 Pole Push to Reset - 20 C + 60 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 402In Stock
Rp188.963,80
Rp156.858,30
Rp144.749,94
Rp119.982,84
Min.: 1
Mult.: 1
1620 Miniature Circuit Breakers Automotive 15 A 12 VDC 1 Pole - 40 C + 85 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). Single hole threadneck mounting. Type 1410-G1 features changeover contacts suitable for providing statu 190In Stock
Rp324.357,28
Rp269.319,28
Rp248.404,84
Rp205.842,12
Min.: 1
Mult.: 1
1410-G1 Thermal Circuit Breakers Overcurrent Protection 2 A 240 VAC 28 VDC 1 Pole Rocker - 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 190In Stock
Rp665.225,96
Rp551.847,68
Rp509.101,50
Rp421.591,08
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
Weidmuller Circuit Breakers 2-13-DM-KM-15 71In Stock
Rp2.010.354,68
Rp1.656.093,42
Rp1.527.121,04
Rp1.278.716,20
Min.: 1
Mult.: 1
9926 QL Circuit Breakers Hydraulic Magnetic 15 A 120 VAC, 240 VAC 2 Pole Lever - 40 C + 65 C Non-Illuminated Bulk
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
Rp23.041.475,24
Rp21.944.200,98
Min.: 1
Mult.: 1
AP Circuit Breakers Hydraulic Magnetic 3 A 240 VAC 50 VDC 2 Pole Toggle - 40 C + 100 C Non-Illuminated
AIRPAX Circuit Breakers CIRCUIT BREAKER 2In Stock
Rp26.967.886,16
Rp18.607.247,04
Rp13.955.068,36
Min.: 1
Mult.: 1
Siemens Circuit Breakers MSP S00 1.1-1.6A SCREW 15In Stock
Rp4.316.446,88
Rp3.813.399,56
Rp3.519.680,10
Rp3.175.509,14
Min.: 1
Mult.: 1
3RV2 Circuit Breakers Motor Protection 1.6 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers MSP S00 4.5-6.3A AUX 1NO 1NC SCREW 7In Stock
Rp5.752.571,76
Rp5.076.705,12
Rp4.817.659,60
Min.: 1
Mult.: 1
3RV2 Circuit Breakers Motor Protection 6.3 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers MSP S00 11-16A AUX 1NO 1NC SCREW 5In Stock
Rp7.155.490,38
Rp6.019.506,06
Rp5.484.169,78
Min.: 1
Mult.: 1
3RV2 Circuit Breakers Motor Protection 16 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated