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: 151.465
Select Image Part # Mfr. Description Datasheet Availability Pricing (EUR) 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 111In 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
E-T-A Circuit Breakers Min Ord Qty 10. 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
Thermal Circuit Breakers Overcurrent Protection 5 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 1In Stock
Min.: 1
Mult.: 1

3130-F Circuit Breakers Thermal 20 A 240 VAC, 415 VAC 50 VDC 1 Pole Rocker - 30 C + 60 C Non-Illuminated
E-T-A Circuit Breakers 1In Stock
Min.: 1
Mult.: 1
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 3In Stock
Min.: 1
Mult.: 1

1410-L1 Thermal Circuit Breakers Overcurrent Protection 1 A 240 VAC 28 VDC 1 Pole Rocker - 20 C + 70 C Non-Illuminated
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 8In 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 Miniaturised single pole thermal circuit breaker with push-to-reset tease free, trip-free, snap action mechanism (R-type TO CBE to EN 60934) for PCB mounting. Approved to CBE standard EN 60934 (IEC 60934). For higher current ratings 45In Stock
Min.: 1
Mult.: 1

104 Thermal Circuit Breakers Overcurrent Protection 50 mA 240 VAC 48 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated
E-T-A Circuit Breakers Miniaturised single pole thermal circuit breaker with push-to-reset tease free, trip-free, snap action mechanism (R-type TO CBE to EN 60934) for PCB mounting. Approved to CBE standard EN 60934 (IEC 60934). For higher current ratings 50In Stock
Min.: 1
Mult.: 1

104 Thermal Circuit Breakers Overcurrent Protection 3.5 A 240 VAC 48 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated
E-T-A Circuit Breakers Miniaturised single pole thermal circuit breaker with push-to-reset tease free, trip-free, snap action mechanism (R-type TO CBE to EN 60934), threadneck mounting. Approved to CBE standard EN 60934 (IEC 60934). For higher current rati 45In Stock
Min.: 1
Mult.: 1

106-M2 Thermal Circuit Breakers Overcurrent Protection 3.2 A 240 VAC 48 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated
E-T-A Circuit Breakers Miniaturised single pole thermal circuit breaker with push-to-reset tease free, trip-free, snap action mechanism (R-type TO CBE to EN 60934), threadneck mounting. Approved to CBE standard EN 60934 (IEC 60934). For higher current ratings see type 1140 93In Stock
Min.: 1
Mult.: 1

Thermal Circuit Breakers Overcurrent Protection 1.5 A 240 VAC 48 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated
E-T-A Circuit Breakers 1077, 1P, DM, 277VAC/65VDC,M1, 1NC AUX, 16A 2In Stock
Min.: 1
Mult.: 1
2210-T2 Thermal Circuit Breakers Thermal Magnetic Toggle
E-T-A Circuit Breakers Single pole switch/thermal circuit breaker (S-type TO CBE to EN 60934) with tease-free, trip-free, snap action mechanism. Designed for snap-in panel mounting utilising round hole or industry standard fuse-holder cut-out dimensions. Fe 39In Stock
Min.: 1
Mult.: 1

1110-Fx12-P1M1 Circuit Breakers Thermal 500 mA 250 VAC 50 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated
E-T-A Circuit Breakers Miniaturised single pole thermal circuit breaker with push-to-reset tease-free, trip-free, snap action mechanism (R-type TO CBE to EN 60934), threadneck mounting. For lower current ratings see types 106. Approved to CBE standard E 36In Stock
Min.: 1
Mult.: 1

1140 Miniature Circuit Breakers Overcurrent Protection 14 A 240 VAC 48 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated
E-T-A Circuit Breakers Miniaturised single pole thermal circuit breaker with push-to-reset tease-free, trip-free, snap action mechanism (R-type TO CBE to EN 60934), threadneck mounting. For lower current ratings see types 106. Approved to CBE standard E 41In Stock
Min.: 1
Mult.: 1

1140 Miniature Circuit Breakers Overcurrent Protection 4 A 240 VAC 48 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 7In Stock
Min.: 1
Mult.: 1

3130-F Circuit Breakers Thermal 15 A 240 VAC, 415 VAC 50 VDC 2 Pole Rocker - 30 C + 60 C Illuminated
E-T-A Circuit Breakers Single pole thermal circuit breaker with push-to-reset, tease-free, trip-free, snap action mechanism (R-type TO CBE to EN 60934; M-type when fitted with optional manual release feature). Available in versions for plug-in or integral m 2In Stock
Min.: 1
Mult.: 1

127 Thermal Circuit Breakers Overcurrent Protection 3 A 250 VAC 28 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated