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: 151,499
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 Type Minimum Operating Temperature Maximum Operating Temperature Illuminated Packaging
Eaton Electrical Circuit Breakers LG 3 POLE 150KA FRAME ONLY 1In Stock
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers PDG3,3P,250A,35KA/480V,PXR10 LSI 1In Stock
Min.: 1
Mult.: 1
Schneider Electric Circuit Breakers NSX400F 36kA AC 4P4D 400A 2.3 1In Stock
Min.: 1
Mult.: 1
Circuit Breakers Solid State 400 A 690 VAC 4 Pole Toggle - 25 C + 70 C Illuminated
Phoenix Contact Circuit Breakers PTCB TM1 10A M1 NO P 256In Stock
Min.: 1
Mult.: 1

Circuit Breakers Thermal Magnetic 10 A 10 VAC to 240 VAC 10 VDC to 56 VDC 1 Pole - 30 C + 60 C Non-Illuminated
Eaton Electrical Circuit Breakers PDG2,3P,150A,35KA/480V,FXFXTMTU 3In Stock
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers 3 POLE 100 AMP QCHW WITH TONGUE CONN 2In Stock
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers 2P 250AMP HMCP 1In Stock
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers PDG3, 600A FRAME, MCP, STD CALIBRATION 1In Stock
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers E 3P 100A 40kA 415 35kA 480V FXD therm 3In Stock
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers FD 3P 50AMP 50 DEGREE NAVAL APPLICATION 2In Stock
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers PDG2,3P,200A,25KA/480V,FXFXTMTU 2In Stock
Min.: 1
Mult.: 1


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

REX22D Circuit Breakers 1 A, 2 A, 4 A 24 VDC - 25 C + 60 C Illuminated


E-T-A Circuit Breakers 508,DM,24VDC,CL,6-8-10,ATX 7In Stock
Min.: 1
Mult.: 1

REX22D Circuit Breakers 6 A, 8 A, 10 A 24 VDC - 25 C + 60 C Illuminated


E-T-A Circuit Breakers 508,DM,24VDC,CL,2CH,1-10A,ATX 4In Stock
Min.: 1
Mult.: 1

REX22D Circuit Breakers 1 A to 10 A 24 VDC - 25 C + 60 C Illuminated
Eaton Electrical Circuit Breakers Type BR Breaker 100A/2 Pole 120/240V 10K 3In Stock
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers Type BR Breaker 20A/2 Pole 120/240V 10K 3In Stock
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers PDG2,3P,20A,35KA/480V,FXFXTMTU 3In Stock
Min.: 1
Mult.: 1
E-T-A Circuit Breakers 508,DM,24VDC,CL,16A,ATX 8In Stock
Min.: 1
Mult.: 1

REX22D Circuit Breakers 16 A 24 VDC - 25 C + 60 C Illuminated


E-T-A Circuit Breakers 508,DM,24VDC,CL,2,3,4..6,8,10,ATX 4In Stock
Min.: 1
Mult.: 1

REX22D Circuit Breakers 2 A, 3 A, 4 A, 6 A, 8 A, 10 A 24 VDC - 25 C + 60 C Illuminated


E-T-A Circuit Breakers 508,DM,24VDC,CL,2-4-6,ATX 13In Stock
Min.: 1
Mult.: 1

REX22D Circuit Breakers 2 A, 4 A, 6 A 24 VDC - 25 C + 60 C Illuminated


E-T-A Circuit Breakers 508,DM,24VDC,CL,2CH,1-3.6,CL2,ATX 9In Stock
Min.: 1
Mult.: 1

REX22D Circuit Breakers 1 A to 3.6 A 24 VDC - 25 C + 60 C Illuminated
Eaton Electrical Circuit Breakers FDB 3P 20A TRIP, 600V CLASS, LINE & LOAD 1In Stock
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers EHD 1P 25A W/O TERM W/KPR1A L&L 1In Stock
Min.: 1
Mult.: 1
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 PDG2,1P,60A,25KA/480V,FXFXTMTU 1In Stock
Min.: 1
Mult.: 1