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: 150,970
Select Image Part # Mfr. Description Datasheet Availability Pricing (PEN) 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 LG 3 POLE 150KA FRAME ONLY 1In Stock
S/58,267.61
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers PDG2,3P,150A,35KA/480V,FXFXTMTU 3In Stock
S/4,656.17
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers 2P 15A BOLT ON 10KA 30MA TRIP LEVEL 1In Stock
S/6,417.41
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers 4P 63A 30 MA RCCB TYPE G/A 1In Stock
S/5,597.38
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers PDG1,4P0%N,80A,25KA/480V,FXFXTMTU 2In Stock
1Expected 11/16/2026
S/3,541.32
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers PDG2,3P,150A,35KA/480V,PXR25LSI 1In Stock
S/8,318.04
S/7,751.95
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers E 3P 100A 40kA 415 35kA 480V FXD therm 3In Stock
S/5,743.46
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers UL/CSA/IEC SLASH RTD TM MCCB 80A 3P 2In Stock
S/6,230.80
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers PDG2,2P,125A,50KA/480V,FXFXTMTU 5In Stock
S/3,858.91
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers PDG3 PXR25 LSI THREE POLE 600A 1In Stock
S/12,618.47
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers PDG3,3P,250A,35KA/480V,PXR10 LSI 1In Stock
S/9,993.64
S/9,313.51
Min.: 1
Mult.: 1
Eaton Electrical HM2P250J5
Eaton Electrical Circuit Breakers 2P 250AMP HMCP 1In Stock
S/9,302.65
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers EHD 1P 25A W/O TERM W/KPR1A L&L 1In Stock
S/1,549.76
S/1,096.21
S/1,037.35
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers EHD 1P 70A W/O TERMS. W/KPR1A L & L ENDS 1In Stock
S/3,082.20
S/2,568.15
S/2,457.45
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers UL/CSA/IEC SLASH RTD TM MCCB 80A 3P 1In Stock
2Expected 10/8/2026
S/4,865.86
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers PDG2,1P,60A,25KA/480V,FXFXTMTU 1In Stock
S/1,548.09
S/1,282.42
S/1,182.15
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers PDG2,3P,175A,65KA/480V,FXFXTMTU 1In Stock
S/5,186.68
Min.: 1
Mult.: 1
E-T-A Circuit Breakers 508,DM,24VDC,CL,10-12-15,ATX 19In Stock
S/358.65
S/296.34
S/292.05
S/275.43
Min.: 1
Mult.: 1
REX22D Circuit Breakers 10 A, 12 A, 15 A 24 VDC - 25 C + 60 C Illuminated


E-T-A Circuit Breakers 508,DM,24VDC,CL,12-16-20,ATX 5In Stock
S/438.18
S/369.90
S/296.34
S/293.96
Min.: 1
Mult.: 1
REX22D Circuit Breakers 12 A, 16 A, 20 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
S/1,445.60
S/1,252.65
S/1,141.24
Min.: 1
Mult.: 1


E-T-A Circuit Breakers 508,DM,24VDC,CL,10-16-20,ATX 8In Stock
S/438.18
S/369.90
S/296.34
S/293.96
Min.: 1
Mult.: 1
REX22D Circuit Breakers 10 A, 16 A, 20 A 24 VDC - 25 C + 60 C Illuminated
Eaton Electrical Circuit Breakers PDG1,3P,45A,65KA/480V,50C FXFXTMTU 1In Stock
S/2,966.98
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers PDG2,2P,125A,65KA/480V,FXFXTMTU 1In Stock
S/4,119.28
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers PDG2,3P,60A,65KA/480V,FXFXTMTU 1In Stock
S/3,047.71
Min.: 1
Mult.: 1


E-T-A Circuit Breakers 508,DM,24VDC,CL,2-3-3.6,CL2,ATX 4In Stock
S/413.46
S/345.26
S/320.86
Min.: 1
Mult.: 1
REX22D Circuit Breakers 2 A, 3 A, 3.6 A 24 VDC - 25 C + 60 C Illuminated