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: 151,452
Select Image Part # Mfr. Description Datasheet Availability Pricing (EUR) 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
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 01/12/2026
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


Carling Technologies Circuit Breakers CIRCUIT BREAKER 42In Stock
10Expected 09/09/2026
Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers 4.75 A 277 VAC 80 VDC 1 Pole Handle - 40 C + 85 C Non-Illuminated
TE Connectivity / P&B Circuit Breakers 10A 1 POLE TOGGLE 129In Stock
Min.: 1
Mult.: 1

W6 Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic 10 A 65 VDC 1 Pole Toggle - 40 C + 85 C Non-Illuminated
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER SWITCH 1A WHITE 68In Stock
Min.: 1
Mult.: 1

W6 Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic 1 A 277 VAC 2 Pole Toggle - 40 C + 85 C Non-Illuminated
TE Connectivity / P&B Circuit Breakers 1A 2 POLE 2 TOGGLE 72In Stock
Min.: 1
Mult.: 1

W9 Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic 1 A 277 VAC 2 Pole Toggle - 40 C + 85 C Non-Illuminated


Schneider Electric Circuit Breakers MAN-START 575VAC IEC UNDERVOLTAGE TRIP 5In Stock
Min.: 1
Mult.: 1
GV Circuit Breakers 440 VAC, 380 VAC to 400 VAC Non-Illuminated
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
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER SWITCH 5A BLACK 48In Stock
Min.: 1
Mult.: 1

W6 Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic 5 A 277 VAC 1 Pole Toggle - 40 C + 85 C Non-Illuminated
IDEC Circuit Breakers Circuit Protector 10A 1In Stock
Min.: 1
Mult.: 1
NRB Circuit Breakers 10 A 250 VAC 65 VDC 2 Pole Lever - 40 C + 85 C Non-Illuminated
IDEC Circuit Breakers Circuit Protector 2In Stock
Min.: 1
Mult.: 1

NRF Circuit Breakers 250 VAC 32 VDC 1 Pole - 10 C + 60 C
E-T-A Circuit Breakers Thermal circuit breaker, with controlled self-resetting mechanism, specially suited to installation in inaccessible locations. Under overload conditions the circuit breaker contacts will open to protect the load circuit. A low current 41In Stock
Min.: 1
Mult.: 1

1160 Thermal Circuit Breakers Thermal 30 A 12 VDC 1 Pole - 30 C + 60 C Non-Illuminated
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 85In Stock
250Expected 05/03/2027
Min.: 1
Mult.: 1

1658 Thermal Circuit Breakers Overcurrent Protection 30 A 240 VAC 28 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated


E-T-A Circuit Breakers Single pole high performance thermal circuit breaker, with push-to-reset tease free, trip-free snap action mechanism (R-type TO CBE to EN 60934). Designed for threadneck panel mounting and for applications with a high fault current sw 8In Stock
Min.: 1
Mult.: 1
4130 Thermal Circuit Breakers Thermal Magnetic 25 A 240 VAC 50 VDC 1 Pole Push-Pull - 30 C + 60 C Non-Illuminated
E-T-A Circuit Breakers Single pole high performance thermal-magnetic circuit breaker, with tease-free, trip-free, snap action mechanism and push/pull on/off actuation (M-type TM CBE to EN 60934). An indicator band on the push button clearly shows the tripped/off position. 2In Stock
Min.: 1
Mult.: 1

452 Thermal Magnetic 100 A 28 VDC 1 Pole Pushbutton - 55 C + 75 C Non-Illuminated