Circuit Breakers

Circuit Breakers
Circuit breakers are available at Mouser from industry 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, Siemens, TE Connectivity & more.
More...

Please view our large selection of circuit breakers below.
Results: 151,641
Select Image Part #
 Mfr.
Description Datasheet Availability Pricing (SGD) 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
Hartland Controls / Littelfuse Circuit Breakers 120/240V 10A 3P CIRCUIT BREAKER, LUGS
Datasheet
20In Stock
Min.: 1
Mult.: 1

HCB 10 A 120 VAC, 240 VAC 3 Pole Bulk
Hartland Controls / Littelfuse Circuit Breakers 120/240V 15A 3P CIRCUIT BREAKER, LUGS
Datasheet
20In Stock
Min.: 1
Mult.: 1

HCB 15 A 120 VAC, 240 VAC 3 Pole Bulk
Hartland Controls / Littelfuse Circuit Breakers 120/240V 45A 3P CIRCUIT BREAKER, LUGS/QUICK CONNECT
Datasheet
20In Stock
Min.: 1
Mult.: 1

HCB 45 A 120 VAC, 240 VAC 3 Pole Bulk
Hartland Controls / Littelfuse Circuit Breakers 120/240V 60A 3P CIRCUIT BREAKER, LUGS
Datasheet
18In Stock
Min.: 1
Mult.: 1

HCB 60 A 120 VAC, 240 VAC 3 Pole Bulk

E-T-A Circuit Breakers ETA Circuit Breakers
Datasheet
72In Stock
20On Order
Min.: 1
Mult.: 1

4130 Thermal Circuit Breaker Thermal Magnetic 50 A 240 VAC 50 VDC 1 Pole Push-Pull - 30 C + 60 C Non-Illuminated
Phoenix Contact Circuit Breakers TMC 71B 32A
Datasheet
130In Stock
Min.: 1
Mult.: 1

TMC 7 Circuit Breaker Thermal Magnetic 32 A 277 VAC 60 VDC 1 Pole Lever - 35 C + 70 C Non-Illuminated
Phoenix Contact Circuit Breakers TMC 71B 50A
Datasheet
102In Stock
Min.: 1
Mult.: 1

TMC 7 Circuit Breaker Thermal Magnetic 50 A 277 VAC 60 VDC 1 Pole Lever - 35 C + 70 C Non-Illuminated
Phoenix Contact Circuit Breakers TMC 72C 32A
Datasheet
72In Stock
Min.: 1
Mult.: 1

TMC 7 Circuit Breaker Thermal Magnetic 32 A 277 VAC 125 VDC 2 Pole Lever - 35 C + 70 C Non-Illuminated
Phoenix Contact Circuit Breakers TMC 72D 15A
Datasheet
84In Stock
79On Order
Min.: 1
Mult.: 1

TMC 7 Circuit Breaker Thermal Magnetic 15 A 277 VAC 125 VDC 2 Pole Lever - 35 C + 70 C Non-Illuminated
Phoenix Contact Circuit Breakers TMC 81C 25A
Datasheet
320In Stock
221On Order
Min.: 1
Mult.: 1

TMC 8 Circuit Breaker Thermal Magnetic 25 A 120 VAC 60 VDC 1 Pole Lever - 35 C + 70 C Non-Illuminated
Phoenix Contact Circuit Breakers TMC 81C 63A
Datasheet
387In Stock
Min.: 1
Mult.: 1

TMC 8 Circuit Breaker Thermal Magnetic 63 A 120 VAC 60 VDC 1 Pole Lever - 35 C + 70 C Non-Illuminated
Phoenix Contact Circuit Breakers TMC 83C 30A
Datasheet
42In Stock
58On Order
Min.: 1
Mult.: 1

TMC 8 Circuit Breaker Thermal Magnetic 30 A 240 VAC 3 Pole Lever - 35 C + 70 C Non-Illuminated

TE Connectivity / P&B Circuit Breakers W51-A151A1-10=CKTBKR THERM ROCK
Datasheet
594In Stock
Min.: 1
Mult.: 1

W51 Circuit Breaker Supplementary Protector 10 A 125 VAC 50 VDC 1 Pole Rocker 0 C + 60 C Non-Illuminated
TE Connectivity / P&B Circuit Breakers 1POLE 12Amps Therm Circuit Brker
Datasheet
937In Stock
Min.: 1
Mult.: 1

W28 Thermal Circuit Breaker Thermal Magnetic 12 A 250 VAC 32 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated Bulk


TE Connectivity / P&B Circuit Breakers 15A RCKR ACT NON-ILL
Datasheet
1,670In Stock
2,000On Order
Min.: 1
Mult.: 1

W51 Circuit Breaker Thermal 15 A 250 VAC 50 VDC 1 Pole Rocker 0 C + 60 C Non-Illuminated

TE Connectivity / P&B Circuit Breakers 5A ROCKR ACT NON-ILL
Datasheet
2,610In Stock
Min.: 1
Mult.: 1

W51 Circuit Breaker Thermal 5 A 250 VAC 50 VDC 1 Pole Rocker 0 C + 60 C Non-Illuminated

TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER THERMAL
Datasheet
237In Stock
Min.: 1
Mult.: 1

W58 Thermal Circuit Breaker Thermal Magnetic 1.5 A 250 VAC 50 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated
TE Connectivity / P&B Circuit Breakers 6A PUSH TO RESET QC
Datasheet
588In Stock
Min.: 1
Mult.: 1

W58 Thermal Circuit Breaker Thermal Magnetic 6 A 250 VAC 50 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER SWITCH 7A WHITE
Datasheet
93In Stock
Min.: 1
Mult.: 1

W6 Hydraulic Magnetic Circuit Breaker Hydraulic Magnetic 7 A 277 VAC 1 Pole Toggle - 40 C + 85 C Non-Illuminated
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER SWITCH 20A WH
Datasheet
52In Stock
48On Order
Min.: 1
Mult.: 1

W6 Hydraulic Magnetic Circuit Breaker Hydraulic Magnetic 20 A 277 VAC 3 Pole Toggle - 40 C + 85 C Non-Illuminated Bulk
TE Connectivity / P&B Circuit Breakers 20AMP 277VAC TOGGLE 2 POLE
Datasheet
57In Stock
Min.: 1
Mult.: 1

W9 Hydraulic Magnetic Circuit Breaker Hydraulic Magnetic 20 A 277 VAC 2 Pole Toggle - 40 C + 85 C Non-Illuminated
Altech Circuit Breakers 10A MCB CCHAR 3 PL 480Y/277VAC UL508
Datasheet
36In Stock
Min.: 1
Mult.: 1

UM Circuit Breaker C-Trip 10 A 277 VAC 80 VDC 3 Pole Handle - 25 C + 55 C Non-Illuminated
Murrelektronik Circuit Breakers Mico Pro electronic circuit protection, 4 channel IN: 24 V DC OUT: 24 V DC / 4 A CL2
Datasheet
15In Stock
Min.: 1
Mult.: 1

9 Circuit Breaker MICO 40 A 12 VDC, 24 VDC 4 Pole - 25 C + 55 C Non-Illuminated Bulk
Siemens 5SY52207
Siemens Circuit Breakers SUP PTOR 5SY5 2P IEC 400V 20A 10K C-TRIP 1In Stock
Min.: 1
Mult.: 1
Lever
Schneider Electric QOU225H5283
Schneider Electric Circuit Breakers MINIATURE CIRCUIT BREAKER 240V 25A
Datasheet
1In Stock
Min.: 1
Mult.: 1