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 (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 81C 25A 307In 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 376In 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 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
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
Phoenix Contact Circuit Breakers TMC 82B 50A 36In Stock
Min.: 1
Mult.: 1

TMC 8 - 35 C + 70 C
Phoenix Contact Circuit Breakers TMC 83C 01A 39In Stock
Min.: 1
Mult.: 1

TMC 8 Circuit Breakers Thermal Magnetic 1 A 240 VAC 3 Pole Lever - 35 C + 70 C Non-Illuminated
Omron Automation and Safety Circuit Breakers DC-Circuit Protector,4 out,UL2 21In Stock
Min.: 1
Mult.: 1
S8V-CP Circuit Breakers Electronic 3.8 A 24 VDC 4 Pole Pushbutton - 25 C + 70 C Non-Illuminated


TE Connectivity / P&B Circuit Breakers 10A 2-P Illum Amber P1 & P2 Trip QC 213In Stock
Min.: 1
Mult.: 1

W33 Circuit Breakers Thermal 10 A 250 VAC 50 VDC 2 Pole Rocker - 20 C + 60 C Illuminated


TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER SWITCH 20A BLK 121In Stock
Min.: 1
Mult.: 1

W9 Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic 20 A 65 VDC 1 Pole Toggle - 40 C + 85 C Non-Illuminated
IDEC Circuit Breakers Circuit Protector 8In Stock
Min.: 1
Mult.: 1
NRF Circuit Breakers Thermal 2 A 250 VAC 32 VDC 1 Pole - 10 C + 60 C Non-Illuminated


E-T-A Circuit Breakers Miniaturised single pole rocker switch/thermal circuit breaker combining ON/OFF switching and extremely fast overload performance in a single component (S-type TO CBE to EN 60934/IEC 934). Under overload conditions an internal neon (f 47In Stock
Min.: 1
Mult.: 1
1410-F1 Circuit Breakers Miniature 4 A 240 VAC 28 VDC 1 Pole Rocker - 20 C + 70 C 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 8In Stock
Min.: 1
Mult.: 1
3130-F Rocker
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 8In Stock
Min.: 1
Mult.: 1

3130-F Circuit Breakers Thermal 15 A 240 VAC, 415 VAC 50 VDC 3 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 7In Stock
Min.: 1
Mult.: 1

3130-F Thermal Overcurrent 16 A 50 VDC Rocker - 30 C + 60 C Non-Illuminated
E-T-A Circuit Breakers 1077, 1P, DM, 277VAC/65VDC,M1, 1NC AUX, 0.8A 2In Stock
Min.: 1
Mult.: 1

2210-T2 Thermal Circuit Breakers Thermal Magnetic Toggle
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 43In Stock
Min.: 1
Mult.: 1

Thermal Circuit Breakers Overcurrent Protection 6 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) snap-in type. Manual release facility optional. Approved to CBE standard EN 60934 (IEC 60934 29In Stock
Min.: 1
Mult.: 1

105 Thermal 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 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 4In Stock
Min.: 1
Mult.: 1

106-M2 Thermal Circuit Breakers Overcurrent Protection 100 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), threadneck mounting. Approved to CBE standard EN 60934 (IEC 60934). For higher current rati 13In Stock
Min.: 1
Mult.: 1

106-M2 Thermal Circuit Breakers Overcurrent Protection 600 mA 240 VAC 48 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated
E-T-A Circuit Breakers 1077, 1P, PL, 277VAC/65VDC, F2, aux contacts, N/O N/C, 8A 3In Stock
Min.: 1
Mult.: 1

2210-S2 Thermal Circuit Breakers Thermal Magnetic Toggle