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: 162,061
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 Minimum Operating Temperature Maximum Operating Temperature Illuminated Packaging


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
$246.50
$186.66
$169.32
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
$106.60
$101.00
$95.39
$91.10
$87.69
Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 7.5 A 2 Pole Rocker - 40 C + 85 C Non-Illuminated
Eaton Electrical Circuit Breakers QBHW 3P 100A 240VAC MAX 22KAIC 1In Stock
$1,593.20
Min.: 1
Mult.: 1
E-T-A Circuit Breakers 1In Stock
$241.68
$200.31
$184.64
$152.58
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
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 20In Stock
$165.65
$137.36
$128.00
$106.52
Min.: 1
Mult.: 1
482 Thermal Circuit Breakers Push-Pull
TE Connectivity / Raychem Circuit Breakers 30AMP 277VAC TOGGLE 2 POLE 14In Stock
144Expected 11/01/2027
$235.65
$206.35
Min.: 1
Mult.: 1
W6 Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic 30 A 277 VAC 2 Pole Toggle - 40 C + 85 C Non-Illuminated


E-T-A Circuit Breakers MoQ=10 Non-Preferred Part (Build to Order) - Alternative Stocked Part Number 2210-S211-P1M1-Z141-20A 93 9In Stock
$246.90
$204.64
$193.56
$169.60
Min.: 1
Mult.: 1
2210-S2 Thermal Circuit Breakers Thermal Magnetic 20 A 250 VAC, 433 VAC 65 VDC 1 Pole Toggle - 30 C + 60 C Non-Illuminated
E-T-A Circuit Breakers Single, two and three pole rocker switch/thermal trip free circuit breakers (S-type TO CBE to EN 60934) of compact design for snap-in panel mounting. Available either with protection on one/both/all poles or, in the case of the double 80In Stock
$58.37
$48.42
$44.90
$38.34
Min.: 1
Mult.: 1
3130-F Thermal Overcurrent 7 A 415 VAC 50 VDC 2 Pole Rocker - 30 C + 60 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
$177.22
$176.44
$161.98
$116.77
$113.96
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


E-T-A Circuit Breakers Single or multipole hydraulic-magnetic circuit breakers with trip-free-mechanism and toggle actuation. A choice of switching characteristics ensures suitability for a wide range of applications. Industry standard dimensions and panel 14In Stock
$426.90
$353.64
$328.22
Min.: 1
Mult.: 1
8345 Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic 125 A 240 VAC, 415 VAC 80 VDC 4 Pole Toggle - 40 C + 85 C Non-Illuminated
Phoenix Contact Circuit Breakers TMC 71D 16A 108In Stock
$19.85
Min.: 1
Mult.: 1
TMC 7 Circuit Breakers Thermal Magnetic 16 A 277 VAC 60 VDC 1 Pole Lever - 35 C + 70 C Non-Illuminated
Phoenix Contact Circuit Breakers TMC 81B 20A 321In Stock
$21.57
Min.: 1
Mult.: 1
TMC 8 Circuit Breakers Thermal Magnetic 20 A 120 VAC 60 VDC 1 Pole Lever - 35 C + 70 C Non-Illuminated
Phoenix Contact Circuit Breakers TMC 81C 25A 295In Stock
$21.57
Min.: 1
Mult.: 1
TMC 8 Circuit Breakers Thermal Magnetic 25 A 120 VAC 60 VDC 1 Pole Lever - 35 C + 70 C Non-Illuminated
Phoenix Contact Circuit Breakers TMC 81C 50A 94In Stock
$21.57
Min.: 1
Mult.: 1
TMC 8 Circuit Breakers Thermal Magnetic 50 A 120 VAC 60 VDC 1 Pole Lever - 35 C + 70 C Non-Illuminated
Phoenix Contact Circuit Breakers TMC 81C 63A 368In Stock
$21.57
Min.: 1
Mult.: 1
TMC 8 Circuit Breakers Thermal Magnetic 63 A 120 VAC 60 VDC 1 Pole Lever - 35 C + 70 C Non-Illuminated


TE Connectivity / P&B Circuit Breakers W51-A151A1-10=CKTBKR THERM ROCK 587In Stock
$5.03
$4.63
$4.35
$3.93
Min.: 1
Mult.: 1
W51 Circuit Breakers 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 908In Stock
$4.14
$3.87
$3.45
$3.27
Min.: 1
Mult.: 1
W28 Thermal Circuit Breakers 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 PUSH TO RESET 1,998In Stock
$4.16
$4.00
$3.46
$3.25
Min.: 1
Mult.: 1
W28 Thermal Circuit Breakers Thermal Magnetic 15 A 250 VAC 32 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated


TE Connectivity / P&B Circuit Breakers 5A ROCKR ACT NON-ILL 2,496In Stock
$4.41
$4.23
$3.86
$3.35
$3.33
Min.: 1
Mult.: 1
W51 Circuit Breakers 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 223In Stock
$9.74
$9.17
$8.56
$8.29
Min.: 1
Mult.: 1
W58 Thermal Circuit Breakers Thermal Magnetic 1.5 A 250 VAC 50 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated

E-T-A Circuit Breakers Bimetal operated single pole motor protection controls with automatic reset actuation, small physical size, reliable snap-action mechanism. Caution: In specifying these 2 products, care should be taken to ensure that automatic motor 91In Stock
$39.96
$33.16
$30.58
$25.33
Min.: 1
Mult.: 1
2-6500 Circuit Breakers Overcurrent Protection 2 A 250 VAC 28 VDC 1 Pole - 10 C + 60 C Non-Illuminated
E-T-A Circuit Breakers Single pole high performance thermal-magnetic circuit breaker, with tease-free, trip-free, snap action mechanism and push/pull on/off actuation (M-type TM CBE to EN 60934). An indicator band on the push button clearly shows the tripped/off position. 10In Stock
$337.90
$280.72
$209.88
$173.35
Min.: 1
Mult.: 1
452 Circuit Breakers Thermal Magnetic 100 A 28 VDC 1 Pole Pushbutton - 55 C + 75 C Non-Illuminated


TE Connectivity / P&B Circuit Breakers 0.25A PUSH TO RESET 308In Stock
$12.43
$9.90
$8.58
$7.32
Min.: 1
Mult.: 1
W28 Thermal Circuit Breakers Thermal Magnetic 250 mA 250 VAC 32 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated


TE Connectivity / P&B Circuit Breakers 0.75A PUSH TO RESET 520In Stock
$7.59
$7.03
$6.32
$5.78
Min.: 1
Mult.: 1
W28 Thermal Circuit Breakers Thermal Magnetic 750 mA 250 VAC 32 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated


TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER THERMAL 13A BLK 535In Stock
$4.09
$4.01
$3.78
$3.35
Min.: 1
Mult.: 1
W28 Thermal Circuit Breakers Thermal Magnetic 13 A 250 VAC 32 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated