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: 151.409
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 Minimum Operating Temperature Maximum Operating Temperature Illuminated Packaging
Siemens Circuit Breakers MSP S2 CLASS 10 42-52A SCREW 7In Stock
Min.: 1
Mult.: 1

3RV2 Circuit Breakers Motor Protection 52 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated


E-T-A Circuit Breakers Single pole thermal circuit breaker with press-to-reset, tease-free, trip-free, snap action mechanism. Type 2-5700 can be supplied as a push-push switch/circuit breaker (R-type TO CBE to EN 60934 in press-to-reset configuration; S-typ 70In Stock
Min.: 1
Mult.: 1

2-5700 Thermal Circuit Breakers Overcurrent Protection 38 A 250 VAC 28 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated


AIRPAX Circuit Breakers Cir Brkr Hyd Mag 68In Stock
Min.: 1
Mult.: 1

Snapak Thermal Circuit Breakers Thermal 15 A 250 VAC 65 VDC 1 Pole Push-Pull - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers CIRCUIT BREAKER 13In Stock
Min.: 1
Mult.: 1

IEG Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic Handle
Siemens Circuit Breakers MSP S0 9 - 12.5A SCREW 10In Stock
Min.: 1
Mult.: 1

3RV2 Circuit Breakers Motor Protection 12.5 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers MCB 5SJ4 2P 480/277 6A 10K D-TRIP 13In Stock
Min.: 1
Mult.: 1
5SJ4 Circuit Breakers Miniature 6 A 277 VAC, 480 VAC 60 VDC 2 Pole Lever - 25 C + 55 C Non-Illuminated
Eaton Electrical Circuit Breakers QBHW 3P 100A 240VAC MAX 22KAIC 1In Stock
Min.: 1
Mult.: 1
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 64In Stock
100Expected 10/30/2026
Min.: 1
Mult.: 1

2-6500 Circuit Breakers Overcurrent Protection 3 A 250 VAC 28 VDC 1 Pole - 10 C + 60 C Non-Illuminated
E-T-A Circuit Breakers Single pole compact high performance thermal circuit breaker with tease-free, trip-free, snap action mechanism and push/pull on/off manual actuation (M-type TO CBE to EN 60934). An indicator band on the push button clearly shows the tripped/off posit 25In Stock
Min.: 1
Mult.: 1

482 Thermal Circuit Breakers Thermal 35 A 115 VAC 28 VDC 1 Pole Push-Pull - 55 C + 75 C Non-Illuminated
TE Connectivity / Raychem Circuit Breakers 30AMP 277VAC TOGGLE 2 POLE 16In Stock
144Expected 11/5/2026
Min.: 1
Mult.: 1

W6 Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic 30 A 277 VAC 2 Pole Toggle - 40 C + 85 C Non-Illuminated
ABB Circuit Breakers ASM CIRCUIT BREAKER 480V 1In Stock
Min.: 1
Mult.: 1
Circuit Breakers 150 A 480 VAC 250 VDC 3 Pole Non-Illuminated


E-T-A Circuit Breakers Single pole compact high performance thermal circuit breaker with tease-free, trip-free, snap action mechanism and push/pull on/off manual actuation (M-type TO CBE to EN 60934). An indicator band on the push button clearly shows the tripped/off posit 1In Stock
Min.: 1
Mult.: 1
482-G Thermal Circuit Breakers 6 A 115 VAC 28 VDC 1 Pole Push-Pull - 55 C + 75 C Non-Illuminated


AIRPAX Circuit Breakers 3In Stock
Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 7.5 A 2 Pole Rocker - 40 C + 85 C Non-Illuminated
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER SWITCH 15A WH 9In Stock
72Expected 4/12/2027
Min.: 1
Mult.: 1

W6 Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic 15 A 277 VAC 2 Pole Toggle - 40 C + 85 C Non-Illuminated
ABB Circuit Breakers UL489 MCB 3P Z 40A 480/277
10In Stock
Min.: 1
Mult.: 1
SU200M Circuit Breakers 40 A 3 Pole
ABB Circuit Breakers UL489 MCB 3P C 10A 480/277
18In Stock
25Expected 10/12/2026
Min.: 1
Mult.: 1
SU200M Circuit Breakers 10 A 3 Pole
E-T-A Circuit Breakers 1In Stock
Min.: 1
Mult.: 1
482-G Thermal Circuit Breakers 4 A 115 VAC 28 VDC 1 Pole Push-Pull - 55 C + 75 C Non-Illuminated
ABB Circuit Breakers RCBO DS201 2P C20A 30MA UL
8In Stock
10Expected 10/22/2026
Min.: 1
Mult.: 1


Weidmuller Circuit Breakers CB4201-10, 2.5A/TS35 14In Stock
Min.: 1
Mult.: 1
CB4201 AC


Weidmuller Circuit Breakers CB4201-10, 1.5A/TS35
13In Stock
Min.: 1
Mult.: 1
CB4201 AC

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 92In Stock
Min.: 1
Mult.: 1
2-6500 Circuit Breakers Overcurrent Protection 2 A 250 VAC 28 VDC 1 Pole - 10 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. 13In Stock
Min.: 1
Mult.: 1

452 Circuit Breakers Thermal Magnetic 100 A 28 VDC 1 Pole Pushbutton - 55 C + 75 C Non-Illuminated
Phoenix Contact Circuit Breakers TMC 72B 05A 78In Stock
Min.: 1
Mult.: 1

TMC 7 Circuit Breakers Thermal Magnetic 5 A 277 VAC 125 VDC 2 Pole Lever - 35 C + 70 C Non-Illuminated
Phoenix Contact Circuit Breakers TMC 72D 08A 64In Stock
Min.: 1
Mult.: 1

TMC 7 Circuit Breakers Thermal Magnetic 8 A 277 VAC 125 VDC 2 Pole Lever - 35 C + 70 C Non-Illuminated
Phoenix Contact Circuit Breakers CB TM1 16A SFB P 205In Stock
Min.: 1
Mult.: 1

CB TM1 Circuit Breakers Thermal Magnetic 16 A 50 VDC 1 Pole Slide - 30 C + 60 C Non-Illuminated