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: 151,958
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 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 Rotary - 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 Rotary - 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 1077, 1p, DN, 24VDC, N/O Aux, 3.6A 29In Stock
Min.: 1
Mult.: 1

ESS31-T Circuit Breakers Electronic 3.6 A 24 VDC 1 Pole Pushbutton 0 C + 50 C Illuminated


E-T-A Circuit Breakers 508, 1P, DM, 48VDC, N/O, 10A 36In Stock
90Expected 25/09/2026
Min.: 1
Mult.: 1
ESX10-TC Circuit Breakers Electronic 10 A 48 VDC 1 Pole Slide - 25 C + 60 C 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
ABB Circuit Breakers MCB S800S 2P C 20A 3In Stock
Min.: 1
Mult.: 1
Circuit Breakers 20 A 2 Pole
Siemens Circuit Breakers BRKR 3VA51 3P 40A 25KA FTFM 4In Stock
Min.: 1
Mult.: 1
3VA Thermal Magnetic Circuit Breakers System Protection 40 A 690 VAC 500 VDC 3 Pole Paddle - 25 C + 70 C Non-Illuminated
Schneider Electric Circuit Breakers NSX100H 70kA AC 3P3D 100A 2.2 1In Stock
Min.: 1
Mult.: 1
C10
Square D Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 90A 1In Stock
Min.: 1
Mult.: 1
HGF


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 103In Stock
Min.: 1
Mult.: 1

808 400 mA 24 VDC 1 Pole Pushbutton - 30 C + 70 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 suite 30In Stock
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection 2.5 A 240 VAC 50 VDC 2 Pole Rocker - 30 C + 60 C Illuminated
Eaton Electrical Circuit Breakers FAZ 2P 16A C CURVE ring term 12In Stock
Min.: 1
Mult.: 1
FAZ Circuit Breakers Miniature 16 A 240 VAC, 415 VAC 2 Pole Handle - 40 C + 75 C Non-Illuminated
ABB Circuit Breakers UL489 MCB 1P C 1A 480/277
71In Stock
19On Order
Min.: 1
Mult.: 1
SU200M Circuit Breakers 1 A 1 Pole
ABB Circuit Breakers UL489 MCB 3P C 50A 240
11In Stock
15Expected 21/12/2026
Min.: 1
Mult.: 1
SU200M Circuit Breakers 50 A 3 Pole
Square D Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 150A 1In Stock
Min.: 1
Mult.: 1
HDF
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
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 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 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 414In Stock
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 92In Stock
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 25In Stock
Min.: 1
Mult.: 1
Circuit Breakers 30 A 2 Pole Toggle - 40 C + 85 C Non-Illuminated