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.
More...


Please view our large selection of circuit breakers below.

Results: 151.550
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


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
Eaton Electrical Circuit Breakers QBHW 3P 100A 240VAC MAX 22KAIC 1In Stock
Min.: 1
Mult.: 1
E-T-A Circuit Breakers Miniaturised double pole thermal circuit breaker with push-to-reset tease-free, trip-free, snap action mechanism (R-type TO CBE to EN 60934). Threadneck panel mounting. Suitable for line and neutral switching - the thermal actuator op 65In Stock
Min.: 1
Mult.: 1

1140 Miniature Circuit Breakers Overcurrent Protection 15 A 240 VAC 48 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated


E-T-A Circuit Breakers Single, two and three pole rocker switch/thermal trip free circuit breakers (S-type TO CBE to EN 60934) of compact design for snap-in panel mounting. Available either with protection on one/both/all poles or, in the case of the double 190In Stock
Min.: 1
Mult.: 1

3130-F Thermal Overcurrent 12 A 415 VAC 50 VDC 2 Pole Rocker - 30 C + 60 C Illuminated
E-T-A Circuit Breakers 1077, 1p, DN, 24VDC, N/O Aux, 3.6A 36In Stock
Min.: 1
Mult.: 1

ESS31-T Circuit Breakers Electronic 3.6 A 24 VDC 1 Pole Pushbutton 0 C + 50 C Illuminated


E-T-A Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload prot 176In Stock
Min.: 1
Mult.: 1

3120-N Thermal Circuit Breakers Overcurrent Protection 3 A 240 VAC 50 VDC 2 Pole Rocker - 30 C + 60 C Non-Illuminated


AIRPAX Circuit Breakers Cir Brkr Hyd Mag 7In Stock
Min.: 1
Mult.: 1

Circuit Breakers Manual Motor Controller 125 VDC 3 Pole Lever - 40 C + 85 C Non-Illuminated
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
Siemens Circuit Breakers SUP PTOR 5SY5 2P IEC 400V 20A 10K C-TRIP 1In Stock
2Expected 9/28/2026
Min.: 1
Mult.: 1
Lever
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER SWITCH 15A BLK 38In Stock
Min.: 1
Mult.: 1

W6 Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic 15 A 277 VAC 2 Pole Toggle - 40 C + 85 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 18In Stock
Min.: 1
Mult.: 1

482 Thermal Circuit Breakers Thermal 5 A 115 VAC 28 VDC 1 Pole Push-Pull - 55 C + 75 C Non-Illuminated
ABB Circuit Breakers RCBO DS201 2P C20A 30MA UL
10In Stock
18On Order
Min.: 1
Mult.: 1
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 / P&B Circuit Breakers CIRCUIT BREAKER SWITCH 15A WH 14In Stock
72Expected 2/8/2027
Min.: 1
Mult.: 1

W6 Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic 15 A 277 VAC 2 Pole Toggle - 40 C + 85 C Non-Illuminated
Altech Circuit Breakers 12A, C CHAR, 2POLE 480Y/277VAC,UL489 32In Stock
Min.: 1
Mult.: 1

UL Circuit Breakers C-Trip 12 A 277 VAC 2 Pole Handle - 25 C + 55 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 575In Stock
Min.: 1
Mult.: 1

1658 Thermal Circuit Breakers Overcurrent Protection 10 A 240 VAC 28 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated
Phoenix Contact Circuit Breakers TMC 72B 06A 43In Stock
Min.: 1
Mult.: 1

TMC 7 Circuit Breakers Thermal Magnetic 6 A 277 VAC 125 VDC 2 Pole Lever - 35 C + 70 C Non-Illuminated
Phoenix Contact Circuit Breakers TMC 72C 08A 75In 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 TMC 72D 06A Lead-Time 22 Weeks
Min.: 1
Mult.: 1

TMC 7 Circuit Breakers Thermal Magnetic 6 A 277 VAC 125 VDC 2 Pole Lever - 35 C + 70 C Non-Illuminated
Phoenix Contact Circuit Breakers TMC 72D 40A 65In Stock
Min.: 1
Mult.: 1

TMC 7 Circuit Breakers Thermal Magnetic 40 A 277 VAC 125 VDC 2 Pole Lever - 35 C + 70 C Non-Illuminated
Phoenix Contact Circuit Breakers TMC 73D 30A 43In Stock
Min.: 1
Mult.: 1

TMC 7 Circuit Breakers Thermal Magnetic 30 A 277 VAC 3 Pole Lever - 35 C + 70 C Non-Illuminated


Phoenix Contact Circuit Breakers CB TM2 6A M1 P 19In Stock
Min.: 1
Mult.: 1

CB TM2 Circuit Breakers Thermal Magnetic 6 A 80 VDC 2 Pole Slide - 30 C + 60 C Non-Illuminated


TE Connectivity / P&B Circuit Breakers W58-XA6A4A-3=CKTBKR THERM PB Q 423In Stock
Min.: 1
Mult.: 1

W58 Thermal Circuit Breakers Thermal Magnetic 3 A 250 VAC 50 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated


TE Connectivity / P&B Circuit Breakers 5A ROCKR ACT RED ILL 1.906In Stock
Min.: 1
Mult.: 1

W51 Circuit Breakers Thermal 5 A 125 VAC 50 VDC 1 Pole Rocker 0 C + 50 C Illuminated