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 (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
Murrelektronik Circuit Breakers MICO BASIC 5.2/3.6 ELEC AUX CIRCUIT, 8 CHANNELS, IN: 24VDC OUT: 5x24V/2ADC 3x24V/6ADC 3In Stock
Min.: 1
Mult.: 1

9 Circuit Breakers MICO 2 A, 6 A 24 VDC 8 Pole 0 C + 55 C Non-Illuminated Bulk
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
Min.: 1
Mult.: 1
IAL/IDL/IML/IUL Circuit Breakers Hydraulic Magnetic 1 Pole Handle Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
Min.: 1
Mult.: 1
Circuit Breakers 25 A 1 Pole Toggle - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic 35 A 3 Pole Handle - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 4In Stock
Min.: 1
Mult.: 1
IEL Circuit Breakers Hydraulic Magnetic 25 A 1 Pole Handle - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
Min.: 1
Mult.: 1
IAL/IDL/IML/IUL Circuit Breakers Hydraulic Magnetic 1 A 1 Pole Handle Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
Min.: 1
Mult.: 1
Snapak Thermal Circuit Breakers Thermal 30 A 1 Pole Rocker - 40 C + 85 C Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
Min.: 1
Mult.: 1
Snapak Thermal Circuit Breakers Thermal 15 A 1 Pole Rocker - 40 C + 85 C Non-Illuminated
ABB Circuit Breakers MCB ST200M 2P C 40A UL1077 10In Stock
Min.: 1
Mult.: 1
ST200M Circuit Breakers 40 A 2 Pole
ABB Circuit Breakers UL489 MCB 2P K 35A 480/277 5In Stock
Min.: 1
Mult.: 1
SU200M Circuit Breakers 35 A 2 Pole
ABB Circuit Breakers MCB SU200MR RTT 2P K 10.6A BCP 3In Stock
7Expected 12/1/2026
Min.: 1
Mult.: 1
SU200MR Circuit Breakers 10 A 2 Pole
ABB Circuit Breakers MCB SU200MR RTT 2P K 13A BCP 2In Stock
Min.: 1
Mult.: 1
SU200MR Circuit Breakers 13 A 2 Pole
ABB Circuit Breakers MCB SU200ML 3P K 25A UL 489 5In Stock
Min.: 1
Mult.: 1
SU200ML Circuit Breakers 25 A 3 Pole


Schneider Electric Circuit Breakers COIL ST MX 24V AC/DC FOR GV4 BV4 1In Stock
Min.: 1
Mult.: 1
Schneider Electric Circuit Breakers MotBreak GV4PE Th/Mag 115A 100kA Elink 1In Stock
Min.: 1
Mult.: 1

GV
E-T-A Circuit Breakers 8In Stock
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection 10 A 240 VAC 50 VDC 1 Pole Rocker - 30 C + 60 C Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
Min.: 1
Mult.: 1
No
Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic 2.5 A 2 Pole Toggle Non-Illuminated
Square D Circuit Breakers MINIATURE CIRCUIT BREAKER 120/240V 20A 1In Stock
Min.: 1
Mult.: 1
E-T-A Circuit Breakers Very cost effective design to meet international requirements. No exposed metal parts which are current-carrying except for terminals. R-type TO CBE to EN 60934. Units built to order. For requests under 500 pcs contact Customer Servi 238In Stock
Min.: 1
Mult.: 1

1658 Thermal Circuit Breakers Overcurrent Protection 25 A 240 VAC 28 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated
Phoenix Contact Circuit Breakers EC-E1 8A 8 A, N/O SIGNAL CNT 11In Stock
Min.: 1
Mult.: 1

EC-E Circuit Breakers Electronic 8 A 24 VDC 1 Pole Slide 0 C + 50 C Non-Illuminated Bulk
Phoenix Contact Circuit Breakers CB TM2 8A SFB P 7In Stock
Min.: 1
Mult.: 1

CB TM2 Circuit Breakers Thermal Magnetic 8 A 80 VDC 2 Pole Slide - 30 C + 60 C Non-Illuminated


Phoenix Contact Circuit Breakers TMC 42-01-10A 12In Stock
Min.: 1
Mult.: 1

TMC Circuit Breakers Thermal Magnetic 10 A 250 VAC 80 VDC 1 Pole Pushbutton 0 C + 55 C Non-Illuminated
Omron Automation and Safety Circuit Breakers 3 pole motor circuit protector 3In Stock
Min.: 1
Mult.: 1
TE Connectivity Circuit Breakers CKTBKR THERM ROCK QC.250 118In Stock
Min.: 1
Mult.: 1

W33 Circuit Breakers Thermal 12 A 250 VAC 50 VDC 2 Pole Rocker - 20 C + 60 C Illuminated
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER SWITCH 15A BLK 104In Stock
Min.: 1
Mult.: 1

W9 Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic 15 A 277 VAC 1 Pole Toggle - 40 C + 85 C Non-Illuminated