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: 151.565
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
Phoenix Contact Circuit Breakers TMC 71D 05A 181In Stock
Min.: 1
Mult.: 1

TMC 7 Circuit Breakers Thermal Magnetic 5 A 277 VAC 60 VDC 1 Pole Lever - 35 C + 70 C Non-Illuminated
Phoenix Contact Circuit Breakers TMC 71D 16A 114In Stock
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 81C 25A 306In Stock
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 63A 374In Stock
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
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
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 5A ROCKR ACT NON-ILL 2.504In Stock
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 229In Stock
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
Altech Circuit Breakers 10A MCB CCHAR 3 PL 480Y/277VAC UL508 32In Stock
Min.: 1
Mult.: 1

UM Circuit Breakers 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 14In Stock
Min.: 1
Mult.: 1

9 Circuit Breakers MICO 40 A 12 VDC, 24 VDC 4 Pole - 25 C + 55 C Non-Illuminated Bulk
IDEC Circuit Breakers Circuit Protector 12In Stock
15Expected 14/09/2026
Min.: 1
Mult.: 1
NRP Circuit Breakers Thermal 4 A 250 VAC 32 VDC 1 Pole - 10 C + 50 C Non-Illuminated
E-T-A Circuit Breakers Single pole thermal circuit breaker with press-to-reset, tease-free, trip-free, snap action mechanism. Type 2-5700 can be supplied as a push-push switch/circuit breaker (R-type TO CBE to EN 60934 in press-to-reset configuration; S-typ 6In Stock
Min.: 1
Mult.: 1

2-5700 Thermal Circuit Breakers Overcurrent Protection 2 A 250 VAC 28 VDC 1 Pole Push to Reset - 20 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 9In Stock
Min.: 1
Mult.: 1

3130-F Thermal Overcurrent 15 A 240 VAC 50 VDC 1 Pole Rocker - 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 2In Stock
Min.: 1
Mult.: 1

3130-F Circuit Breakers Thermal 12 A 240 VAC, 415 VAC 50 VDC 1 Pole Rocker - 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 9In Stock
Min.: 1
Mult.: 1

3130-F Thermal Overcurrent 12 A 240 VAC 50 VDC 1 Pole Rocker - 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 9In Stock
Min.: 1
Mult.: 1

3130-F Thermal Overcurrent 15 A 240 VAC 50 VDC 1 Pole Rocker - 30 C + 60 C Non-Illuminated
E-T-A Circuit Breakers Single pole press-to-reset thermal circuit breaker with extremely fast overload switching performance (R-type TO CBE to EN 60934). Single hole threadneck mounting. Type 1410-G1 features changeover contacts suitable for providing statu 29In Stock
Min.: 1
Mult.: 1

1410-G1 Thermal Circuit Breakers Overcurrent Protection 6.3 A 240 VAC 28 VDC 1 Pole Rocker - 20 C + 70 C Non-Illuminated
E-T-A Circuit Breakers Single pole thermal circuit breaker with press-to-reset, tease-free, trip-free, snap action mechanism. Type 2-5700 can be supplied as a push-push switch/circuit breaker (R-type TO CBE to EN 60934 in press-to-reset configuration; S-typ 5In Stock
Min.: 1
Mult.: 1

2-5700 Thermal Circuit Breakers Overcurrent Protection 15 A 250 VAC 28 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated
E-T-A Circuit Breakers Single pole thermal circuit breaker with press-to-reset, tease-free, trip-free, snap action mechanism. Type 2-5700 can be supplied as a push-push switch/circuit breaker (R-type TO CBE to EN 60934 in press-to-reset configuration; S-typ 8In Stock
Min.: 1
Mult.: 1

2-5700 Thermal Circuit Breakers Overcurrent Protection 25 A 250 VAC 28 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated
E-T-A Circuit Breakers Single pole press-to-reset thermal circuit breaker with extremely fast overload switching performance (R-type TO CBE to EN 60934). Miniaturised construction minimises PCB real estate required. Largely temperature-insensitive.x -E. Ret 68In Stock
Min.: 1
Mult.: 1

1410-L1 Thermal Circuit Breakers Overcurrent Protection 800 mA 240 VAC 28 VDC 1 Pole Rocker - 20 C + 70 C Non-Illuminated
E-T-A Circuit Breakers Min Ord Qty 10. The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload prot 1In Stock
Min.: 1
Mult.: 1
Thermal Circuit Breakers Overcurrent Protection Rocker
E-T-A Circuit Breakers 10 pc min. The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload protectio 4In Stock
Min.: 1
Mult.: 1
Thermal Circuit Breakers Overcurrent Protection Rocker


E-T-A Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload prot 15In Stock
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection 20 A 240 VAC 50 VDC 2 Pole Rocker - 30 C + 60 C Non-Illuminated
E-T-A Circuit Breakers 1077, 1P, PL, 277VAC/65VDC, T1, 1NC AUX INT and ON, 1.5A 1In Stock
Min.: 1
Mult.: 1

2210-S2 Thermal Circuit Breakers Thermal Magnetic Toggle


E-T-A Circuit Breakers 1077, 1P, DM, 277VAC/65VDC,F2, 1NO AUX, 16A 4In Stock
Min.: 1
Mult.: 1

2210-T2 Thermal Circuit Breakers Thermal Magnetic Toggle