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 (GBP) 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
Eaton Electrical Circuit Breakers EHD 1P 70A W/O TERMS. W/KPR1A L & L ENDS 1In Stock
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers UL/CSA/IEC SLASH RTD TM MCCB 80A 3P 1In Stock
2Expected 08/10/2026
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers PDG2,1P,60A,25KA/480V,FXFXTMTU 1In Stock
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers PDG2,3P,200A,50KA/480V,FXFXTMTU 1In Stock
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers PDG2,3P,175A,65KA/480V,FXFXTMTU 1In Stock
Min.: 1
Mult.: 1


E-T-A Circuit Breakers 508,DM,24VDC,CL,10-16-20,ATX 8In Stock
Min.: 1
Mult.: 1

REX22D Circuit Breakers 10 A, 16 A, 20 A 24 VDC - 25 C + 60 C Illuminated
Eaton Electrical Circuit Breakers Type BR Breaker 10A/2 Pole 120/240V 10K 5In Stock
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers CL 30A/1Pole 120/240V 10K 5In Stock
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers CL bkr 40A/1Pole 120/240V 10K 5In Stock
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers PDG1,3P,45A,65KA/480V,50C FXFXTMTU 1In Stock
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers PDG2,2P,125A,65KA/480V,FXFXTMTU 1In Stock
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers PDG2,3P,60A,65KA/480V,FXFXTMTU 1In Stock
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers PDG2,3P,125A,65KA/480V,FXFXTMTU 1In Stock
Min.: 1
Mult.: 1


E-T-A Circuit Breakers 508,DM,24VDC,CL,2-3-3.6,CL2,ATX 4In Stock
Min.: 1
Mult.: 1

REX22D Circuit Breakers 2 A, 3 A, 3.6 A 24 VDC - 25 C + 60 C Illuminated
Eaton Electrical Circuit Breakers PDG2,3P,20A,25KA/480V,FXFXTMTU 2In Stock
Min.: 1
Mult.: 1


Weidmuller Circuit Breakers CB4201-10, 15.0A/TS35
88In Stock
Min.: 1
Mult.: 1

CB4201 AC
Phoenix Contact Circuit Breakers CBMC E4 24DC/1-4A NO
141In Stock
Min.: 1
Mult.: 1

CBMC Circuit Breakers Electronic 16 A 24 VDC 4 Pole - 25 C + 60 C Illuminated


Phoenix Contact Circuit Breakers CBM E4 24DC/0.5-10A NO-R 134In Stock
Min.: 1
Mult.: 1

Circuit Breakers Electronic 40 A 24 VDC 4 Pole - 25 C + 70 C Non-Illuminated Bulk
Eaton Electrical Circuit Breakers Type BR Breaker 20A/2 Pole 120/240V 10K 3In Stock
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers EG 3P 80A adj therm 18kA CB w/end cap 1In Stock
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers PDG2,3P,20A,35KA/480V,FXFXTMTU 3In Stock
Min.: 1
Mult.: 1
TE Connectivity / P&B Circuit Breakers W52-A162A1-8=CKTBKR,THERM,ROCK,QC.250RED OPAQUE 250VAC 499In Stock
1,000Expected 12/10/2026
Min.: 1
Mult.: 1

W52 Circuit Breakers Thermal 8 A 250 VAC 1 Pole Rocker 0 C + 50 C Non-Illuminated
Eaton Electrical Circuit Breakers Type CH Breaker 40A/3 Pole 240V 10K 3In Stock
Min.: 1
Mult.: 1
E-T-A Circuit Breakers 1077, 1P, plug, 250VAC/72VDC, T, w/switch function, 1A 1,311In Stock
Min.: 1
Mult.: 1

1180 Circuit Breakers Overcurrent Protection 1 A 250 VAC 65 VDC 1 Pole Push-Push - 20 C + 60 C Non-Illuminated


Phoenix Contact Circuit Breakers CBMC E4 24DC/1-4A+ IOL 85In Stock
Min.: 1
Mult.: 1

Circuit Breakers Electronic 1 A to 4 A 24 VDC 4 Pole - 25 C + 60 C Illuminated