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: 151,453
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
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
Min.: 1
Mult.: 1
IUG Circuit Breakers 10 A 1 Pole Toggle - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers CIRCUIT BREAKER 1In Stock
Min.: 1
Mult.: 1

IUG Circuit Breakers Hydraulic Magnetic 10 A 240 VAC 80 VDC 1 Pole Toggle - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
Min.: 1
Mult.: 1
IUGH Circuit Breakers 20 A 2 Pole Toggle - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
Min.: 1
Mult.: 1

IAL/IDL/IML/IUL Circuit Breakers Hydraulic Magnetic 3 A 250 VAC 80 VDC 2 Pole Handle - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers CIRCUIT BREAKER 2In Stock
Min.: 1
Mult.: 1

M55629 Circuit Breakers 5 A 250 VAC 2 Pole Toggle - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr,HydMag 1In Stock
Min.: 1
Mult.: 1
AIRPAX Circuit Breakers CIRCUIT BREAKER 1In Stock
Min.: 1
Mult.: 1

Snapak Thermal Circuit Breakers Thermal 5 A 250 VAC 65 VDC 1 Pole Push-Pull - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
Min.: 1
Mult.: 1
Snapak Thermal Circuit Breakers Thermal Push to Reset
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 5In Stock
Min.: 1
Mult.: 1
Snapak Thermal Circuit Breakers Thermal 15 A 1 Pole Push to Reset - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr,HydMag 2In Stock
Min.: 1
Mult.: 1
Snapak Thermal Circuit Breakers Thermal Push to Reset
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
Min.: 1
Mult.: 1
Snapak Thermal Circuit Breakers Thermal 20 A 1 Pole Rocker - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
Min.: 1
Mult.: 1
Snapak Thermal Circuit Breakers Thermal 25 A 1 Pole Paddle - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
Min.: 1
Mult.: 1
Snapak Thermal Circuit Breakers Thermal 7 A 1 Pole Paddle - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
Min.: 1
Mult.: 1

IAL/IDL/IML/IUL Circuit Breakers Hydraulic Magnetic 10 A 250 VAC 80 VDC 1 Pole Handle - 40 C + 85 C Non-Illuminated
ABB Circuit Breakers MCB SU200ML 2P K 25A UL 489 10In Stock
Min.: 1
Mult.: 1
SU200ML Circuit Breakers 25 A 2 Pole
ABB Circuit Breakers MCB SU200ML 2P K 5A UL 489 Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1
SU200ML Circuit Breakers 5 A 2 Pole
ABB Circuit Breakers THQL 2 POLE 120/240V 10K IC 20 AMP 10In Stock
Min.: 1
Mult.: 1
Siemens Circuit Breakers SPECIAL TYPE MOT. START. PROT 6.3A 2In Stock
Min.: 1
Mult.: 1

3RV2 Circuit Breakers Motor Protection 6.3 A 690 VAC 3 Pole Rotary - 50 C + 60 C Non-Illuminated
Siemens Circuit Breakers BRKR 3VA11 4P 63A 25KA ATAM100NTRL BOX 2In Stock
Min.: 1
Mult.: 1
3VA Circuit Breakers Line Protection 63 A 690 VAC 600 VDC 4 Pole Paddle - 25 C + 70 C Non-Illuminated
Siemens Circuit Breakers MCSW 3VA51 3P 100A 65KA 1In Stock
Min.: 1
Mult.: 1
3VA Thermal Magnetic Circuit Breakers System Protection 100 A 690 VAC 500 VDC 3 Pole Paddle - 25 C + 70 C Non-Illuminated
Siemens Circuit Breakers MCB 5SJ4 1P 240V 30A SAME PH 14K B-TRIP 3In Stock
Min.: 1
Mult.: 1
Circuit Breakers Miniature 30 A 240 VAC 60 VDC 1 Pole Lever - 25 C + 55 C Non-Illuminated
Square D Circuit Breakers OPERATING MECHANISM CABLE MECHANISM NEMA 1In Stock
Min.: 1
Mult.: 1

IDEC Circuit Breakers CIRCUIT PROTECTOR 8In Stock
Min.: 1
Mult.: 1
NRF Circuit Breakers 250 VAC 32 VDC 1 Pole - 10 C + 60 C
IDEC Circuit Breakers 3A CIRCUIT PROTECTOR 9In Stock
Min.: 1
Mult.: 1

NRF Circuit Breakers 250 VAC 32 VDC 1 Pole - 10 C + 60 C


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 suited for overload p 7In Stock
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection Rocker