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: 151,500
Select Image Part # Mfr. Description Datasheet Availability Pricing (PEN) 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


TE Connectivity Circuit Breakers CKTBKR,THERM,ROCK 709In Stock
Min.: 1
Mult.: 1

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


TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER THERMAL 15A RED 1,062In Stock
Min.: 1
Mult.: 1

W51 Circuit Breakers Thermal 15 A 125 VAC 50 VDC 1 Pole Rocker 0 C + 60 C Non-Illuminated


TE Connectivity / P&B Circuit Breakers 16A Push to Reset 6.35 Strt Quick Conn 254In Stock
Min.: 1
Mult.: 1

W58 Thermal Circuit Breakers Thermal Magnetic 16 A 250 VAC 50 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated Tray


TE Connectivity / P&B Circuit Breakers 1pole 10Amp Toggle Mag circuit breaker 102In Stock
Min.: 1
Mult.: 1

W6 Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic 10 A 277 VAC 1 Pole Toggle - 40 C + 85 C Non-Illuminated Tray
TE Connectivity / P&B Circuit Breakers 10A 1 POLE TOGGLE 129In Stock
Min.: 1
Mult.: 1

W6 Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic 10 A 65 VDC 1 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 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
Min.: 1
Mult.: 1

TMC 8 - 35 C + 70 C
Phoenix Contact Circuit Breakers TMC 83C 01A 41In Stock
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 21In 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 10A 2-P Illum Amber P1 & P2 Trip QC 217In Stock
Min.: 1
Mult.: 1

W33 Circuit Breakers Thermal 10 A 250 VAC 50 VDC 2 Pole Rocker - 20 C + 60 C Illuminated


TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER SWITCH 20A BLK 121In Stock
Min.: 1
Mult.: 1

W9 Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic 20 A 65 VDC 1 Pole Toggle - 40 C + 85 C Non-Illuminated
Hartland Controls / Littelfuse Circuit Breakers 120/240V 25A 1P CIRCUIT BREAKER, LUGS 43In Stock
Min.: 1
Mult.: 1

HCB 25 A 120 VAC, 240 VAC 1 Pole Bulk
Hartland Controls / Littelfuse Circuit Breakers 120/240V 40A 2P CIRCUIT BREAKER, LUGS/QUICK CONNECT 20In Stock
Min.: 1
Mult.: 1

HCB 40 A 120 VAC, 240 VAC 2 Pole 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 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 1,004In 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 TCP 30/DC32V 244In Stock
Min.: 1
Mult.: 1

TCP Circuit Breakers Thermal 30 A 32 VDC 1 Pole Pushbutton - 40 C + 85 C Non-Illuminated Bulk
Phoenix Contact Circuit Breakers TMC 73C 15A 33In 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
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 81In 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 / Raychem Circuit Breakers 15A 2-P Illum Amber P1 & P2 Trip QC 111In 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