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: 151,466
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 Miniaturised single pole thermal circuit breaker with push-to-reset tease free, trip-free, snap action mechanism (R-type TO CBE to EN 60934) for PCB mounting. Approved to CBE standard EN 60934 (IEC 60934). For higher current ratings 141In Stock
Min.: 1
Mult.: 1

104 Thermal Circuit Breakers Overcurrent Protection 10 A 240 VAC 48 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated


E-T-A Circuit Breakers 1077, 3P, DM, 480VAC/60VDC, D, 30A 146In Stock
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4230-T Miniature Circuit Breakers Thermal Magnetic 30 A 415 VAC 3 Pole Toggle - 35 C + 70 C Non-Illuminated


E-T-A Circuit Breakers Single pole miniaturised magnetic circuit breakers with unique high-speed operating mechanism and push/pull on/off manual actuation. Fitted with electrically separate excitation and switching circuits, and one pair of auxiliary contac 168In Stock
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808 400 mA 24 VDC 1 Pole Pushbutton - 30 C + 70 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 12In Stock
Min.: 1
Mult.: 1
IEL
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 14In Stock
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IAL/IDL/IML/IUL Circuit Breakers Hydraulic Magnetic 7 A Handle - 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 1In Stock
Min.: 1
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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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Thermal Circuit Breakers Thermal 7.5 A 2 Pole Rocker - 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 546In Stock
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1658 Thermal Circuit Breakers Overcurrent Protection 20 A 240 VAC 28 VDC 1 Pole Push to Reset - 20 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 572In 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 72C 08A 72In Stock
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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 40A 63In Stock
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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
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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
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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
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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 1,896In Stock
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W51 Circuit Breakers Thermal 5 A 125 VAC 50 VDC 1 Pole Rocker 0 C + 50 C Illuminated
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER SWITCH 30A WH 87In Stock
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W6 Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic 30 A 277 VAC 1 Pole Toggle - 40 C + 85 C Non-Illuminated
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER SWITCH 15A WH 47In Stock
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W6 Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic 15 A 277 VAC 2 Pole Toggle - 40 C + 85 C Non-Illuminated


TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER SWITCH 30A BLK 150In Stock
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W9 Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic 30 A 65 VDC 1 Pole Toggle - 40 C + 85 C Non-Illuminated


Schneider Electric Circuit Breakers TeSys MOTOR CB MAGNETIC 40A EVLK 4In Stock
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GV Circuit Breakers Magnetic 40 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Eaton Electrical Circuit Breakers QBHW 3P 100A 240VAC MAX 22KAIC 1In Stock
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TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER SWITCH 15A BLK 38In Stock
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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 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 9/28/2026
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Lever
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 16In 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