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 (IDR) 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
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
Min.: 1
Mult.: 1
Snapak Thermal Circuit Breakers Thermal 5 A 1 Pole Rocker - 40 C + 85 C Illuminated
ABB Circuit Breakers MCB S800 1P K 50A 5In Stock
Min.: 1
Mult.: 1
Circuit Breakers 50 A 1 Pole
ABB Circuit Breakers MCB ST200M 1P B 30A UL1077 5In Stock
Min.: 1
Mult.: 1
ST200M Circuit Breakers 30 A 1 Pole
ABB Circuit Breakers MCB ST200M 2P D 40A UL1077 3In Stock
2Expected 27/11/2026
Min.: 1
Mult.: 1
ST200M Circuit Breakers 40 A 2 Pole
ABB Circuit Breakers UL489 MCB 1P Z 50A 240 10In Stock
Min.: 1
Mult.: 1
SU200M Circuit Breakers 50 A 1 Pole
ABB Circuit Breakers MCB SU200ML 2P K 13A UL 489 3In Stock
Min.: 1
Mult.: 1
SU200ML Circuit Breakers 13 A 2 Pole
ABB Circuit Breakers UL489 MCB 3P C 2A 480/277 7In Stock
Min.: 1
Mult.: 1
SU200M Circuit Breakers 2 A 3 Pole
ABB Circuit Breakers MCB SU200MR RTT 3P K 60A BCP 3In Stock
Min.: 1
Mult.: 1
SU200MR Circuit Breakers 60 A 3 Pole
ABB Circuit Breakers MCB SUP200M 2P K 40A UL 489 2In Stock
Min.: 1
Mult.: 1
Circuit Breakers Miniature 40 A 240 VAC 2 Pole Handle Non-Illuminated
Square D Circuit Breakers MINIATURE CIRCUIT BREAKER 600V 15A 1In Stock
Min.: 1
Mult.: 1
Hartland Controls / Littelfuse Circuit Breakers 120/240V 45A 2P CIRCUIT BREAKER, LUGS 16In Stock
Min.: 1
Mult.: 1

HCB Thermal Magnetic Circuit Breakers 45 A 120 VAC, 240 VAC 2 Pole Handle - 10 C + 60 C Non-Illuminated Bulk
Hartland Controls / Littelfuse Circuit Breakers 120/240V 50A 2P CIRCUIT BREAKER, LUGS 23In Stock
Min.: 1
Mult.: 1

HCB Thermal Magnetic Circuit Breakers 50 A 120 VAC, 240 VAC 2 Pole Handle - 10 C + 60 C Non-Illuminated Bulk
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
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER SWITCH 1A WHITE 68In Stock
Min.: 1
Mult.: 1

W6 Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic 1 A 277 VAC 2 Pole Toggle - 40 C + 85 C Non-Illuminated
TE Connectivity / P&B Circuit Breakers 1A 2 POLE 2 TOGGLE 72In Stock
Min.: 1
Mult.: 1

W9 Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic 1 A 277 VAC 2 Pole Toggle - 40 C + 85 C Non-Illuminated


Schneider Electric Circuit Breakers MAN-START 575VAC IEC UNDERVOLTAGE TRIP 5In Stock
Min.: 1
Mult.: 1
GV Circuit Breakers 440 VAC, 380 VAC to 400 VAC 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 340In Stock
Min.: 1
Mult.: 1

1658 Thermal Circuit Breakers Overcurrent Protection 15 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 7A WHITE 14In Stock
Min.: 1
Mult.: 1

W6 Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic 7 A 277 VAC 2 Pole Toggle - 40 C + 85 C Non-Illuminated
TE Connectivity / P&B Circuit Breakers 3 AMP 277VAC TOGGLE 2 POLE 40In Stock
Min.: 1
Mult.: 1

W9 Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic 3 A 277 VAC 2 Pole Toggle - 40 C + 85 C Non-Illuminated
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER SWITCH 7A BLACK 51In Stock
Min.: 1
Mult.: 1

W9 Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic 7 A 277 VAC 2 Pole Toggle - 40 C + 85 C Non-Illuminated


Littelfuse Circuit Breakers CIR BRKR 25AMP 47In Stock
Min.: 1
Mult.: 1

Circuit Breakers Automotive 25 A 12 VDC Reset Button 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 238In Stock
Min.: 1
Mult.: 1

1658 Thermal Circuit Breakers Overcurrent Protection 25 A 240 VAC 28 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated
Phoenix Contact Circuit Breakers EC-E1 8A 8 A, N/O SIGNAL CNT 11In Stock
Min.: 1
Mult.: 1

EC-E Circuit Breakers Electronic 8 A 24 VDC 1 Pole Slide 0 C + 50 C Non-Illuminated Bulk
Phoenix Contact Circuit Breakers CB TM2 8A SFB P 7In Stock
Min.: 1
Mult.: 1

CB TM2 Circuit Breakers Thermal Magnetic 8 A 80 VDC 2 Pole Slide - 30 C + 60 C Non-Illuminated


Phoenix Contact Circuit Breakers TMC 42-01-10A 12In Stock
Min.: 1
Mult.: 1

TMC Circuit Breakers Thermal Magnetic 10 A 250 VAC 80 VDC 1 Pole Pushbutton 0 C + 55 C Non-Illuminated