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: 151,472
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 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 92In Stock
$39.97
$33.17
$30.59
$26.50
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. 13In Stock
$337.96
$302.02
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 0.75A PUSH TO RESET 522In Stock
$7.47
$7.04
$6.33
$5.99
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
$4.14
$4.01
$3.78
$3.35
$3.23
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


TE Connectivity Circuit Breakers CKTBKR,THERM,ROCK 708In Stock
$4.83
$4.27
$4.14
$3.81
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
$5.36
$5.06
$4.37
$3.94
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 3A PUSH TO RESET 1,417In Stock
$10.39
$9.11
Min.: 1
Mult.: 1
W58 Thermal Circuit Breakers Thermal Magnetic 3 A 250 VAC 50 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated


TE Connectivity / P&B Circuit Breakers 1pole 10Amp Toggle Mag circuit breaker 95In Stock
$69.02
$67.87
$65.99
$64.31
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


Schneider Electric Circuit Breakers MAN-START 600VAC 40AMP IEC 4In Stock
$398.66
Min.: 1
Mult.: 1
GV
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
$5.11
$4.66
$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 915In Stock
$4.14
$3.87
$3.45
$3.27
$3.23
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 2,000In Stock
$4.16
$4.00
$3.48
$3.26
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 2,498In Stock
$4.41
$4.23
$3.99
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
$9.79
$9.22
$8.61
$8.30
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 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 572In Stock
$7.28
$6.93
$6.68
$5.04
Min.: 1
Mult.: 1
1658 Thermal Circuit Breakers Overcurrent Protection 10 A 240 VAC 28 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated


TE Connectivity / P&B Circuit Breakers W58-XA6A4A-3=CKTBKR THERM PB Q 416In Stock
$7.06
$5.47
$4.86
$4.51
Min.: 1
Mult.: 1
W58 Thermal Circuit Breakers Thermal Magnetic 3 A 250 VAC 50 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated


TE Connectivity / P&B Circuit Breakers 5A ROCKR ACT RED ILL 1,792In Stock
$5.66
$5.11
$4.73
$4.22
Min.: 1
Mult.: 1
W51 Circuit Breakers Thermal 5 A 125 VAC 50 VDC 1 Pole Rocker 0 C + 50 C Illuminated
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER SWITCH 30A WH 81In Stock
$69.51
Min.: 1
Mult.: 1
W6 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 CIRCUIT BREAKER SWITCH 30A BLK 150In Stock
$71.41
$69.51
Min.: 1
Mult.: 1
W9 Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic 30 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
$7.28
$6.93
$4.47
$3.72
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