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: 151,450
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


E-T-A Circuit Breakers Compact single pole thermal circuit breaker with push-to-reset, tease free, trip free, snap action mechanism and separate (colour coded) manual release. Combining full feature circuit breaker protection and convenience with low cost o 348In Stock
Min.: 1
Mult.: 1

1170 Miniature Circuit Breakers Automotive 8 A 28 VDC 1 Pole Push to Reset - 40 C + 85 C Non-Illuminated


E-T-A Circuit Breakers Compact single pole thermal circuit breaker with push-to-reset, tease free, trip free, snap action mechanism and separate (colour coded) manual release. Combining full feature circuit breaker protection and convenience with low cost o 166In Stock
Min.: 1
Mult.: 1

1170 Miniature Circuit Breakers Automotive 30 A 28 VDC 1 Pole Push to Reset - 40 C + 85 C Non-Illuminated


E-T-A Circuit Breakers Combination of single pole circuit breaker and ON/OFF switch with soft-touch rocker actuation. Contoured rockers are available with a choice of colours and legends, with optional illumination. The 3131 is sealed to provide IP66 rated 345In Stock
Min.: 1
Mult.: 1

3131-A/C Circuit Breakers Thermal 10 A 240 VAC 28 VDC 1 Pole Rocker - 20 C + 60 C Illuminated


AIRPAX Circuit Breakers Cir Brkr Hyd Mag 33In Stock
Min.: 1
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IUGN Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic 240 VAC 80 VDC 2 Pole Toggle - 40 C + 85 C Non-Illuminated


Schneider Electric Circuit Breakers MAN-START 600VAC 65AMP IEC 5In Stock
Min.: 1
Mult.: 1

GV Circuit Breakers Thermal Magnetic 65 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Eaton Electrical Circuit Breakers QBHW 3P 100A 240VAC MAX 22KAIC 1In Stock
Min.: 1
Mult.: 1
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
ABB Circuit Breakers ASM CIRCUIT BREAKER 480V 1In Stock
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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
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Mult.: 1
Thermal Circuit Breakers Thermal 7.5 A 2 Pole Rocker - 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 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
E-T-A Circuit Breakers 1In Stock
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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 2026/09/28
Min.: 1
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Lever
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 546In Stock
Min.: 1
Mult.: 1

1658 Thermal Circuit Breakers Overcurrent Protection 20 A 240 VAC 28 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER SWITCH 15A WH 12In Stock
72Expected 2027/04/12
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 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 94In 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
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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 79In Stock
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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 65In Stock
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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 208In Stock
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CB TM1 Circuit Breakers Thermal Magnetic 16 A 50 VDC 1 Pole Slide - 30 C + 60 C Non-Illuminated
Phoenix Contact Circuit Breakers TMC 83D 02A 23In Stock
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TMC 8 Circuit Breakers Thermal Magnetic 2 A 240 VAC 3 Pole Lever - 35 C + 70 C Non-Illuminated


TE Connectivity / P&B Circuit Breakers 0.75A PUSH TO RESET 523In Stock
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W28 Thermal Circuit Breakers Thermal Magnetic 750 mA 250 VAC 32 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated


TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER THERMAL 13A BLK 538In Stock
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W28 Thermal Circuit Breakers Thermal Magnetic 13 A 250 VAC 32 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated
TE Connectivity / P&B Circuit Breakers 20A RCKR ACT RED ILL 813In Stock
Min.: 1
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W51 Circuit Breakers Thermal 20 A 250 VAC 50 VDC 1 Pole Rocker 0 C + 60 C Illuminated


TE Connectivity Circuit Breakers CKTBKR,THERM,ROCK 709In Stock
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W51 Circuit Breakers Thermal 5 A 125 VAC 50 VDC 1 Pole Rocker 0 C + 50 C Non-Illuminated