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: 151,465
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
Altech Circuit Breakers 6A,MCB D CHAR 1 PL, 277VAC, UL1077 3In Stock
Min.: 1
Mult.: 1

UR 6 A 277 VAC 1 Pole Handle - 25 C + 55 C Non-Illuminated
Altech Circuit Breakers 20A,MCB B CHAR 3PL 480Y/277VAC, UL1077 3In Stock
Min.: 1
Mult.: 1

UR Circuit Breakers B-Trip 20 A 277 VAC 3 Pole Handle - 25 C + 55 C Non-Illuminated
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 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
IDEC Circuit Breakers Circuit Protector 2A
1In Stock
Min.: 1
Mult.: 1

NRA Circuit Breakers Magnetic 2 A 250 VAC 65 VDC 2 Pole Lever - 40 C + 85 C Non-Illuminated
IDEC Circuit Breakers Circuit Protector 5In Stock
Min.: 1
Mult.: 1
NRF Circuit Breakers 250 VAC 32 VDC 1 Pole - 10 C + 60 C
E-T-A Circuit Breakers Single pole press-to-reset thermal circuit breaker with extremely fast overload switching performance (R-type TO CBE to EN 60934). Miniaturised construction minimises PCB real estate required. Largely temperature-insensitive.x -E. Returning the rocke 33In Stock
Min.: 1
Mult.: 1

1410-L4 Circuit Breakers Thermal 2.5 A 240 VAC 28 VDC 1 Pole Rocker - 20 C + 70 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 Service for verificati 60In Stock
Min.: 1
Mult.: 1

1658 Thermal Circuit Breakers Overcurrent Protection 15 A 240 VAC 28 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated


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 8In Stock
Min.: 1
Mult.: 1
8340-G Hydraulic Magnetic Circuit Breakers Thermal Magnetic 50 A 240 VAC, 415 VAC 80 VDC 1 Pole Toggle - 40 C + 85 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 93In Stock
Min.: 1
Mult.: 1

1658 Thermal Circuit Breakers Overcurrent Protection 7 A 240 VAC 28 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated
E-T-A Circuit Breakers Bimetal operated single pole motor protection controls with automatic reset actuation, small physical size, reliable snap-action mechanism. Caution: In specifying these 2 products, care should be taken to ensure that automatic motor 7In Stock
Min.: 1
Mult.: 1
2-6500 Circuit Breakers Overcurrent Protection


E-T-A Circuit Breakers AC PEM, w/ 2 pole , 3A, white rocker, C14 inlet, pre-wired 7In Stock
Min.: 1
Mult.: 1
Thermal Circuit Breakers Overcurrent Protection 3 A 240 VAC 50 VDC 2 Pole Rocker - 30 C + 60 C Non-Illuminated Bulk