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: 151,565
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 Actuator Type Minimum Operating Temperature Maximum Operating Temperature Illuminated Packaging
Eaton Electrical Circuit Breakers FAZ UL 1077 2P 2.5A D CURVE 1In Stock
A tariff of 8% may be applied if shipping to the United States.
Min.: 1
Mult.: 1
Circuit Breakers Miniature 2.5 A 240 VAC, 415 VAC 2 Pole Handle - 40 C + 75 C Non-Illuminated
Eaton Electrical Circuit Breakers HFD-DC BREAKER - LINE & LOAD TERMINALS 1In Stock
A tariff of 8% may be applied if shipping to the United States.
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers PDG2,3P,35A,25KA/480V,FXFXTMTU 2In Stock
A tariff of 8% may be applied if shipping to the United States.
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers QBHW2015, 2P, 15A 22kAIC, 240V 1In Stock
A tariff of 8% may be applied if shipping to the United States.
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers 1PH/BR LC 70A MLO 2/4 Cir Al Bus N3R 1In Stock
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers CH 30MA GFI 60A/2 POLE 120/240V 10K 1In Stock
A tariff of 8% may be applied if shipping to the United States.
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers EG 3P 80A adj therm 18kA CB w/end cap 1In Stock
A tariff of 8% may be applied if shipping to the United States.
Min.: 1
Mult.: 1
TE Connectivity / P&B Circuit Breakers W52-A162A1-8=CKTBKR,THERM,ROCK,QC.250RED OPAQUE 250VAC 499In Stock
1,000Expected 1/11/2027
A tariff of 30% may be applied if shipping to the United States.
Min.: 1
Mult.: 1

W52 Circuit Breakers Thermal 8 A 250 VAC 1 Pole Rocker 0 C + 50 C Non-Illuminated


Phoenix Contact Circuit Breakers CBM E4 24DC/0.5-10A NO-R 135In Stock
Min.: 1
Mult.: 1

Circuit Breakers Electronic 40 A 24 VDC 4 Pole - 25 C + 70 C Non-Illuminated Bulk


Weidmuller Circuit Breakers CB4201-10, 15.0A/TS35 96In Stock
A tariff of 8% may be applied if shipping to the United States.
Min.: 1
Mult.: 1

CB4201 AC
Phoenix Contact Circuit Breakers CBMC E4 24DC/1-10ANO 402In Stock
Min.: 1
Mult.: 1

CBMC Circuit Breakers Electronic 40 A 24 VDC 4 Pole - 25 C + 60 C 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


Phoenix Contact Circuit Breakers CAPAROC E2 12-24DC/2-10A 163In Stock
Min.: 1
Mult.: 1

CAPAROC E2 Circuit Breakers Electronic 10 A 24 VDC 2 Pole Lever - 30 C + 65 C Non-Illuminated


TE Connectivity / P&B Circuit Breakers 7A PUSH TO RESET 8,629In Stock
A tariff of 30% may be applied if shipping to the United States.
Min.: 1
Mult.: 1

W28 Thermal Circuit Breakers Thermal Magnetic 7 A 250 VAC 32 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated Tray
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER SWITCH 5A BLACK 122In Stock
Min.: 1
Mult.: 1

W9 Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic 5 A 277 VAC 2 Pole Toggle - 40 C + 85 C Non-Illuminated
Schneider Electric Circuit Breakers MINIATURE CIRCUIT BREAKER 240V 25A 1In Stock
Min.: 1
Mult.: 1
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER SWITCH 30A BLK 161In Stock
Min.: 1
Mult.: 1

W9 Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic 30 A 277 VAC 1 Pole Toggle - 40 C + 85 C Non-Illuminated
E-T-A Circuit Breakers Single pole, thermal miniaturised circuit breaker designed for automotive applications. Fits into fuse blocks designed to ISO 8820-3, Type F. Automatic reset (for DC 12 V only) and open circuit (modified reset to SAE) version optional. Open circuitve 512In Stock
A tariff of 8% may be applied if shipping to the United States.
Min.: 1
Mult.: 1

1620 Miniature Circuit Breakers Automotive 15 A 24 VDC 1 Pole Push to Reset - 40 C + 85 C Non-Illuminated


E-T-A Circuit Breakers 508, 1P, DM, 48VDC, N/O, 10A 55In Stock
90Expected 9/25/2026
A tariff of 8% may be applied if shipping to the United States.
Min.: 1
Mult.: 1
ESX10-TC Circuit Breakers Electronic 10 A 48 VDC 1 Pole Slide - 25 C + 60 C Illuminated
Siemens Circuit Breakers BRKR 3VA51 3P 40A 25KA FTFM 5In Stock
Min.: 1
Mult.: 1
3VA Thermal Magnetic Circuit Breakers System Protection 40 A 690 VAC 500 VDC 3 Pole Paddle - 25 C + 70 C Non-Illuminated
Schneider Electric Circuit Breakers NSX100H 70kA AC 3P3D 100A 2.2 1In Stock
A tariff of 8% may be applied if shipping to the United States.
Min.: 1
Mult.: 1
C10
Square D Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 90A 1In Stock
A tariff of 8% may be applied if shipping to the United States.
Min.: 1
Mult.: 1
HGF
AIRPAX Circuit Breakers 2In Stock
Min.: 1
Mult.: 1
Schneider Electric Circuit Breakers MotBreak GV4PE Therm/Mag 115A 50kA Elink 1In Stock
A tariff of 8% may be applied if shipping to the United States.
Min.: 1
Mult.: 1
GV
E-T-A Circuit Breakers Single, two and three pole magnetic circuit breakers with trip-free mechanism and push/pull on/off manual actuation. A choice of fast magnetic only or hydraulically delayed switching characteristics (Stype MO or HM CBE to EN 60934) en 23In Stock
A tariff of 8% may be applied if shipping to the United States.
Min.: 1
Mult.: 1
8340-G Hydraulic Magnetic Circuit Breakers Thermal Magnetic 240 VAC, 415 VAC 80 VDC 3 Pole Toggle - 40 C + 85 C