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: 151,455
Select Image Part # Mfr. Description Datasheet Availability Pricing (HKD) 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 HFD-DC BREAKER - LINE & LOAD TERMINALS 1In Stock
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers PDD2,3P, 100A, 100KA/240V, 50C FXFXTMTU 1In Stock
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers PDG2,3P,35A,25KA/480V,FXFXTMTU 2In Stock
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers QBHW2015, 2P, 15A 22kAIC, 240V 1In Stock
2Expected 22/9/2026
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 UL/CSA/IEC SLASH RTD TM MCCB 80A 3P 1In Stock
2Expected 8/10/2026
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,10-12-15,ATX 20In Stock
Min.: 1
Mult.: 1

REX22D Circuit Breakers 10 A, 12 A, 15 A 24 VDC - 25 C + 60 C Illuminated
Eaton Electrical Circuit Breakers 1PH/BR LC 70A MLO 2/4 Cir Al Bus N3R 1In Stock
Min.: 1
Mult.: 1
E-T-A Circuit Breakers 508,DM,24VDC,CL,16A,ATX 15In 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


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
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,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 BR 30A/2 Pole Com. Trip 120/240V 22K 3In Stock
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers PDG2,3P,20A,25KA/480V,FXFXTMTU 2In Stock
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers PDG2, 50A, MCP, STD CALIBRATION-HMCPS 1In Stock
Min.: 1
Mult.: 1