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: 151,465
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 Single pole thermal-magnetic circuit breaker with tease-free, trip-free, snap action mechanism and two button operation (M-type TM CBE to EN 60934). Designed for plug-in mounting with E-T-A sockets 17-P10-Si, 23-P10-Si, 63-P10-Si; or 43In Stock
A tariff of 8% may be applied if shipping to the United States.
Min.: 1
Mult.: 1

3600 Thermal Circuit Breakers Thermal Magnetic 3 A 240 VAC 65 VDC 1 Pole Pushbutton Dual - 30 C + 60 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 43In Stock
A tariff of 8% may be applied if shipping to the United States.
Min.: 1
Mult.: 1

808 Circuit Breakers Miniature 500 mA 24 VDC 1 Pole Pushbutton - 30 C + 70 C Non-Illuminated


E-T-A Circuit Breakers 508, 1P, DM, 24VDC, 1CH, 4A, No Comm 43In Stock
Min.: 1
Mult.: 1

REX12-T Circuit Breakers Electronic 4 A 24 VDC 1 Pole Push to Reset - 25 C + 60 C Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 13In Stock
Min.: 1
Mult.: 1
IEL
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 48In Stock
Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 15 A 2 Pole Push-Pull - 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
Eaton Electrical Circuit Breakers QBHW 3P 100A 240VAC MAX 22KAIC 1In Stock
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
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER SWITCH 15A BLK 38In Stock
A tariff of 20% may be applied if shipping to the United States.
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
Min.: 1
Mult.: 1
Circuit Breakers 150 A 480 VAC 250 VDC 3 Pole Non-Illuminated
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER SWITCH 15A WH 12In 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
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
A tariff of 8% may be applied if shipping to the United States.
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
AIRPAX Circuit Breakers Cir Brkr, HydMag, 2 pl, 65VDC/250VAC,10A Non-Stocked Lead-Time 18 Weeks
Min.: 1
Mult.: 1

Snapak Thermal Circuit Breakers Thermal 16 A 250 VAC 65 VDC 1 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
A tariff of 8% may be applied if shipping to the United States.
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
Hartland Controls / Littelfuse Circuit Breakers 120/240V 25A 3P CIRCUIT BREAKER, LUGS 11In Stock
A tariff of 10% may be applied if shipping to the United States.
Min.: 1
Mult.: 1

HCB Thermal Magnetic Circuit Breakers 25 A 120 VAC, 240 VAC 3 Pole Handle - 10 C + 60 C Non-Illuminated Bulk


Hartland Controls / Littelfuse Circuit Breakers 120/240V 35A 3P CIRCUIT BREAKER, LUGS 19In Stock
A tariff of 10% may be applied if shipping to the United States.
Min.: 1
Mult.: 1

HCB Thermal Magnetic Circuit Breakers 35 A 120 VAC, 240 VAC 3 Pole Handle - 10 C + 60 C Non-Illuminated Bulk


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 1,909In 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
Phoenix Contact Circuit Breakers TMC 82B 50A 36In Stock
A tariff of 4% may be applied if shipping to the United States.
Min.: 1
Mult.: 1

TMC 8 - 35 C + 70 C
Phoenix Contact Circuit Breakers TMC 83C 01A 39In Stock
A tariff of 4% may be applied if shipping to the United States.
Min.: 1
Mult.: 1

TMC 8 Circuit Breakers Thermal Magnetic 1 A 240 VAC 3 Pole Lever - 35 C + 70 C Non-Illuminated
Omron Automation and Safety Circuit Breakers DC-Circuit Protector,4 out,UL2 17In Stock
Min.: 1
Mult.: 1
S8V-CP Circuit Breakers Electronic 3.8 A 24 VDC 4 Pole Pushbutton - 25 C + 70 C Non-Illuminated
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER SWITCH 30A BLK 158In Stock
Min.: 1
Mult.: 1

W9 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 50A 2 POLE 2 TOGGLE 72In Stock
Min.: 1
Mult.: 1

W9 Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic 50 A 277 VAC 2 Pole Toggle - 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 440In Stock
Min.: 1
Mult.: 1

1658 Thermal Circuit Breakers Overcurrent Protection 12 A 240 VAC 28 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated