A circuit breaker is an automatically operated electrical switch designed to protect an electrical circuit from damage caused by excess current from an overload or short circuit. Its basic function is to interrupt current flow after a fault is detected. Unlike a fuse, which operates once and then must be replaced, a circuit breaker can be reset (either manually or automatically) to resume normal operation.
| Part # | Manufacturer | Description | Availability | Pricing | Quantity |
|---|---|---|---|---|---|
3VA51956ED320AA0Circuit Breakers | Siemens | BRKR 3VA51 3P 15A 65KA FTFM NUT | In Stock | - | |
3VA51101BB360AA0Circuit Breakers | Siemens | MCSW 3VA51 3P 100A 65KA AL | In Stock | - | |
5SY42405Circuit Breakers | Siemens | SUP PTOR 5SY4 2P 480V 40A 5K A-T | In Stock | - | |
5SY41106Circuit Breakers | Siemens | Circuit breaker 10 A 1-pole type B, 5SY4110-6, Siemens | In Stock | - | |
3VA51101MH320AA0Circuit Breakers | Siemens | BRKR 3VA51 3P 100A 65KA MCP HI N | In Stock | - | |
3VA51204ED110AA0Circuit Breakers | Siemens | BRKR 3VA51 1P 20A 25KA FTFM | In Stock | - | |
5SY44038Circuit Breakers | Siemens | SUP PTOR 5SY4 4P 480V 3A 5K D-TR | In Stock | - | |
3VA51251MU310AA0Circuit Breakers | Siemens | BRKR 3VA51 3P 25A 65KA MCP LO | In Stock | - | |
5SY43206Circuit Breakers | Siemens | Circuit breaker 20 A 3-pole type B, 5SY4320-6, Siemens | In Stock | - | |
5SY45108Circuit Breakers | Siemens | SUP PTOR 5SY4 1P+N 240V 10A 7.5K | In Stock | - | |
3VA51805ED310AA0Circuit Breakers | Siemens | BRKR 3VA51 3P 80A 35KA FTFM | In Stock | - | |
3VA63405HM310AA0Circuit Breakers | Siemens | BRKR 3VA63 3P 400A 35KA ETU3-LIG | In Stock | - | |
3VA51116ED261AA0Circuit Breakers | Siemens | BRKR 3VA51 2P 110A 65KA FTFM NAV | In Stock | - | |
3VA52125ED360AA0Circuit Breakers | Siemens | BRKR 3VA52 3P 125A 35KA FTFM AL | In Stock | - | |
3VA51126EC361AA0Circuit Breakers | Siemens | BRKR 3VA51 3P 125A 65KA FTAM NAV | In Stock | - | |
3VA51405ED120AA0Circuit Breakers | Siemens | BRKR 3VA51 1P 40A 35KA FTFM NUT | In Stock | - | |
3VA52151BB610AA0Circuit Breakers | Siemens | MCSW 3VA52 2(3)P 150A 100KA | In Stock | - | |
3VA52155GF410AA0Circuit Breakers | Siemens | BRKR 3VA52 4P 150A 35KA ATAM 100 | In Stock | - | |
3VA51504ED211AA0Circuit Breakers | Siemens | BRKR 3VA51 2P 50A 25KA FTFM NAV | In Stock | - | |
3VA62255JT362AA0Circuit Breakers | Siemens | BRKR 3VA62 3P 250A 35KA ETU5-LSI | In Stock | - | |
3VA52151BB310AA0Circuit Breakers | Siemens | MCSW 3VA52 3P 150A 100KA | In Stock | - | |
3VA51101BB320AA0Circuit Breakers | Siemens | MCSW 3VA51 3P 100A 65KA NUT | In Stock | - | |
3VA52155GC410AA0Circuit Breakers | Siemens | BRKR 3VA52 4P 150A 35KA FTAM 100 | In Stock | - | |
3VA52407ED320AA0Circuit Breakers | Siemens | BRKR 3VA52 3P 40A 100KA FTFM NUT | In Stock | - | |
3VA51951MU310AA0Circuit Breakers | Siemens | BRKR 3VA51 3P 15A 65KA MCP LO | In Stock | - |