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: 151,461
Select Image Part # Mfr. Description Datasheet Availability Pricing (USD) 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 Minimum Operating Temperature Maximum Operating Temperature Illuminated Packaging
AIRPAX Circuit Breakers CIRCUIT BREAKER 2In Stock
Min.: 1
Mult.: 1
IEL Circuit Breakers Hydraulic Magnetic 35 A 2 Pole - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
Min.: 1
Mult.: 1
Circuit Breakers Hydraulic Magnetic 300 mA 1 Pole - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
Min.: 1
Mult.: 1
IUG Circuit Breakers 1 Pole - 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


AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
Min.: 1
Mult.: 1

IAL/IDL/IML/IUL Circuit Breakers Hydraulic Magnetic 250 VAC 80 VDC 1 Pole - 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 5 A 250 VAC 80 VDC 1 Pole - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
Min.: 1
Mult.: 1
Snapak Thermal Circuit Breakers Thermal 6 A 1 Pole - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr, HydMag, 1 pl, 32VDC/125VAC, 15A, rocker hndl 2In Stock
Min.: 1
Mult.: 1
Snapak Thermal Circuit Breakers Thermal 1 Pole - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
Min.: 1
Mult.: 1
Snapak Thermal Circuit Breakers Thermal 10 A 1 Pole - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 3In Stock
Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 20 A 1 Pole - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr,HydMag 2In Stock
Min.: 1
Mult.: 1
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
Min.: 1
Mult.: 1

IAL/IDL/IML/IUL Circuit Breakers Hydraulic Magnetic 5 A 250 VAC 80 VDC 1 Pole - 40 C + 85 C Non-Illuminated
ABB Circuit Breakers UL489 MCB 1P C 63A 240 3In Stock
Min.: 1
Mult.: 1
SU200M Circuit Breakers 63 A 1 Pole
ABB Circuit Breakers CIRCUIT BREAKER 3P 30A 240 10KA 3In Stock
Min.: 1
Mult.: 1
Circuit Breakers 30 A 3 Pole
Siemens Circuit Breakers BRKR 3VA11 1P 80A 25KA FTFM BOX 1In Stock
Min.: 1
Mult.: 1
3VA Circuit Breakers Line Protection 80 A 415 VAC 125 VDC 1 Pole - 25 C + 70 C Non-Illuminated
Siemens Circuit Breakers BRKR 3VA51 3P 100A 25KA ATAM 1In Stock
Min.: 1
Mult.: 1
3VA Thermal Magnetic Circuit Breakers System Protection 100 A 690 VAC 500 VDC 3 Pole - 25 C + 70 C Non-Illuminated
Siemens Circuit Breakers MCB 5SJ4 3P 240V 25A 10K D-TRIP 3In Stock
Min.: 1
Mult.: 1
Circuit Breakers Miniature 25 A 240 VAC 60 VDC 3 Pole - 25 C + 55 C Non-Illuminated
Siemens Circuit Breakers SUP PTOR 5SY6 3P 480V 0.1A 5K C-TRIP 1In Stock
Min.: 1
Mult.: 1
Siemens Circuit Breakers DOOR,15"x18" 1In Stock
Min.: 1
Mult.: 1


E-T-A Circuit Breakers 508,DM,24VDC,CL,12A,ATX 42In Stock
88On Order
Min.: 1
Mult.: 1

REX22D Circuit Breakers 12 A 24 VDC - 25 C + 60 C Illuminated
AIRPAX Circuit Breakers CIRCUIT BREAKER 2In Stock
Min.: 1
Mult.: 1
No
AP Circuit Breakers 20 A 250 VAC 50 VDC 1 Pole Non-Illuminated
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
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 6In Stock
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection 20 A 240 VAC 50 VDC 2 Pole - 30 C + 60 C Non-Illuminated