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: 151,563
Select Image Part # Mfr. Description Datasheet Availability Pricing (KRW) 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


Schneider Electric Circuit Breakers MAN-START 600VAC 40AMP IEC 4In Stock
Min.: 1
Mult.: 1

GV
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
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
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 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


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 454In Stock
Min.: 1
Mult.: 1

1658 Thermal Circuit Breakers Overcurrent Protection 5 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 629In Stock
Min.: 1
Mult.: 1

1658 Thermal Circuit Breakers Overcurrent Protection 5 A 240 VAC 28 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated


Cole Hersee Circuit Breakers CIRCUIT BRKR 15A 12V 995In Stock
Min.: 1
Mult.: 1

Box-Style Circuit Breakers Circuit Breakers Auto Reset 15 A 12 VDC 1 Pole Non-Illuminated Bulk
Phoenix Contact Circuit Breakers TMC 73C 15A 31In Stock
Min.: 1
Mult.: 1

TMC 7 Circuit Breakers Thermal Magnetic 15 A 277 VAC 3 Pole Lever - 35 C + 70 C Non-Illuminated
Phoenix Contact Circuit Breakers CB TM1 16A M1 P 45In Stock
Min.: 1
Mult.: 1

CB TM1 Circuit Breakers Thermal Magnetic 16 A 50 VDC 1 Pole Slide - 30 C + 60 C Non-Illuminated
Phoenix Contact Circuit Breakers TMC 82B 30A 34In Stock
Min.: 1
Mult.: 1

TMC 8 - 35 C + 70 C
Omron Automation and Safety Circuit Breakers DC-Circuit Protector,4 output 27In Stock
Min.: 1
Mult.: 1
S8V-CP Circuit Breakers Electronic 10 A 24 VDC 4 Pole Pushbutton - 25 C + 70 C Non-Illuminated
TE Connectivity / AMP Circuit Breakers W92-X112-25 M6/M7/M9/W6/W7 72In Stock
Min.: 1
Mult.: 1

W9 Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic 25 A 277 VAC 2 Pole Toggle - 40 C + 85 C Non-Illuminated
TE Connectivity / P&B Circuit Breakers 15A 2-P Illum Amber P1 Switch P2 Trip QC 75In Stock
Min.: 1
Mult.: 1

W33 Circuit Breakers Thermal 15 A 250 VAC 50 VDC 2 Pole Rocker - 20 C + 60 C Illuminated
TE Connectivity / P&B Circuit Breakers 5A 1 POLE TOGGLE 114In Stock
Min.: 1
Mult.: 1

W6 Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic 5 A 277 VAC 1 Pole Toggle - 40 C + 85 C Non-Illuminated
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER SWITCH 20A BLK 172In Stock
Min.: 1
Mult.: 1

W9 Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic 20 A 277 VAC 1 Pole Toggle - 40 C + 85 C Non-Illuminated


TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER SWITCH 15A BLK 62In Stock
Min.: 1
Mult.: 1

W9 Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic 15 A 277 VAC 1 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 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
Eaton Electrical Circuit Breakers QBHW 3P 100A 240VAC MAX 22KAIC 1In Stock
Min.: 1
Mult.: 1
E-T-A Circuit Breakers Miniaturised single pole press-to-reset cycling trip free thermal circuit breaker designed for automotive fuse block installation. Extends the benefits of circuit breaker performance and convenience to applications which are cost cri 350In Stock
Min.: 1
Mult.: 1

1610 Miniature Circuit Breakers Automotive 6 A 24 VDC 1 Pole Push to Reset - 40 C + 85 C Non-Illuminated
E-T-A Circuit Breakers Single pole, thermal miniaturised circuit breaker designed for automotive applications. Fits into fuse blocks designed to ISO 8820-3, Type F. Automatic reset (for DC 12 V only) and open circuit (modified reset to SAE) version optional. Open circuitve 567In Stock
Min.: 1
Mult.: 1

1620 Miniature Circuit Breakers Automotive 25 A 24 VDC 1 Pole Push to Reset - 40 C + 85 C Non-Illuminated
E-T-A Circuit Breakers MoQ=10 Non-Preferred Part (Build to Order) - Alternative Stocked Part Number 2210-S221-P1M1-Z241-12A 94 10In Stock
Min.: 1
Mult.: 1
2210-S2 Thermal Circuit Breakers Thermal Magnetic Toggle
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 13In Stock
Min.: 1
Mult.: 1
8340-G Hydraulic Magnetic Circuit Breakers Thermal Magnetic 20 mA 240 VAC, 415 VAC 80 VDC 1 Pole Toggle - 40 C + 85 C Non-Illuminated