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: 151,466
Select Image Part # Mfr. Description Datasheet Availability Pricing (SGD) 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 Type Minimum Operating Temperature Maximum Operating Temperature Illuminated Packaging
E-T-A Circuit Breakers AC PEM, w/ 2 pole , 6A, black rocker, C14 std filtered inlet, pre-wired 4In Stock
Min.: 1
Mult.: 1

Thermal Circuit Breakers Overcurrent Protection 6 A 240 VAC 50 VDC 2 Pole Rocker - 30 C + 60 C Non-Illuminated
Eaton Electrical Circuit Breakers FAZ-NA 240VAC 2P 6A D CURVE ring term 1In Stock
Min.: 1
Mult.: 1
Circuit Breakers Miniature 6 A 240 VAC, 415 VAC 2 Pole Handle - 40 C + 75 C Non-Illuminated
Cole Hersee Circuit Breakers CIR_BRKR 30A 12V MET BRK HWD 51In Stock
Min.: 1
Mult.: 1

Circuit Breakers Box Style 30 A 12 VDC Non-Illuminated Bulk
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
Min.: 1
Mult.: 1
IEG Circuit Breakers Hydraulic Magnetic 50 A 240 VAC 80 VDC 1 Pole Toggle - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
Min.: 1
Mult.: 1
Snapak Thermal Circuit Breakers Thermal Push to Reset
Altech Circuit Breakers 1BU3A MCB B CHar 1 pl 277V UL 508 1In Stock
Min.: 1
Mult.: 1

UM 3 A 277 VAC 42 VDC 1 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 3D1UM, 1A,CIRCUIT BREAKER 7In Stock
Min.: 1
Mult.: 1
UM Circuit Breakers D-Trip 1 A 277 VAC 80 VDC 3 Pole Handle - 25 C + 55 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
Min.: 1
Mult.: 1

Hydraulic Magnetic Circuit Breakers Magnetic Branch 100 A 125 VDC 1 Pole Handle Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
Min.: 1
Mult.: 1
IAL/IDL/IML/IUL Circuit Breakers Hydraulic Magnetic 1 Pole Handle Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic 25 A 3 Pole Handle - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
Min.: 1
Mult.: 1
Circuit Breakers 30 A 3 Pole Rocker - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
Min.: 1
Mult.: 1
IEL Circuit Breakers Hydraulic Magnetic 10 A 2 Pole Handle - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
Min.: 1
Mult.: 1
IUG Circuit Breakers 2 Pole Toggle - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
Min.: 1
Mult.: 1
IUGH Circuit Breakers 5 A 2 Pole Toggle - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr,HydMag 1In Stock
Min.: 1
Mult.: 1
IEL
AIRPAX Circuit Breakers Cir Brkr,HydMag 2In Stock
Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal Push-Pull
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
Min.: 1
Mult.: 1

Snapak Thermal Circuit Breakers Thermal 3 A 250 VAC 65 VDC 1 Pole Rocker - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 20 A 2 Pole Rocker - 40 C + 85 C
AIRPAX Circuit Breakers Non-Stocked Lead-Time 19 Weeks
Min.: 1
Mult.: 1
Snapak Thermal Circuit Breakers Thermal Paddle
AIRPAX Circuit Breakers Cir Brkr,HydMag 1In Stock
Min.: 1
Mult.: 1
ABB Circuit Breakers A2N 250 TMF 150-1500 3P F F UL 2In Stock
1Expected 28/8/2026
Min.: 1
Mult.: 1
ABB Circuit Breakers MCB S200MUC 1P Z 8A AC/DC 5In Stock
Min.: 1
Mult.: 1
Circuit Breakers 8 A 1 Pole
ABB Circuit Breakers MCB S200MUC 2P C 25A AC/DC 5In Stock
Min.: 1
Mult.: 1
Circuit Breakers 25 A 2 Pole
ABB Circuit Breakers MCB ST200M 1P B 5A UL1077 5In Stock
Min.: 1
Mult.: 1
ST200M Circuit Breakers 5 A 1 Pole
ABB Circuit Breakers MCB ST200M 1P K 1.6A UL1077 11In Stock
Min.: 1
Mult.: 1
ST200M Circuit Breakers 1.6 A 1 Pole