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 |
|---|---|---|---|---|---|
3VA51101MH360AA0Circuit Breakers | Siemens | BRKR 3VA51 3P 100A 65KA MCP HI A | In Stock | - | |
3VA51406ED121AA0Circuit Breakers | Siemens | BRKR 3VA51 1P 40A 50KA FTFM NAV | In Stock | - | |
3VA51115ED260AA0Circuit Breakers | Siemens | BRKR 3VA51 2P 110A 35KA FTFM AL | In Stock | - | |
5SJ43157HG42Circuit Breakers | Siemens | MCB 5SJ4 3P 480/277 1.6A 10K C-T | In Stock | - | |
3VA51455ED121AA0Circuit Breakers | Siemens | BRKR 3VA51 1P 45A 35KA FTFM NAV | In Stock | - | |
3VA52105EF310AA0Circuit Breakers | Siemens | BRKR 3VA52 3P 100A 35KA ATAM | In Stock | - | |
3VA52405ED412AA0Circuit Breakers | Siemens | BRKR 3VA52 4P 40A 35KA FTFM 100 | In Stock | - | |
3VA52205ED410AA0Circuit Breakers | Siemens | BRKR 3VA52 4P 200A 35KA FTFM | In Stock | - | |
3VA51116ED220AA0Circuit Breakers | Siemens | BRKR 3VA51 2P 110A 65KA FTFM NUT | In Stock | - | |
3VA52706ED312AA0Circuit Breakers | Siemens | BRKR 3VA52 3P 70A 65KA FTFM 100 | In Stock | - | |
5SY41138Circuit Breakers | Siemens | SUP PTOR 5SY4 1P 240V 13A 7.5K D | In Stock | - | |
3VA52257EC361AA0Circuit Breakers | Siemens | BRKR 3VA52 3P 250A 100KA FTAM NA | In Stock | - | |
3VA62105HM362AA0Circuit Breakers | Siemens | BRKR 3VA62 3P 100A 35KA ETU3-LIG | In Stock | - | |
3VA52155ED311AA0Circuit Breakers | Siemens | BRKR 3VA52 3P 150A 35KA FTFM NAV | In Stock | - | |
3VA51114GC410AA0Circuit Breakers | Siemens | BRKR 3VA51 4P 110A 25KA FTAM 100 | In Stock | - | |
3VA52125ED362AA0Circuit Breakers | Siemens | BRKR 3VA52 3P 125A 35KA FTFM 100 | In Stock | - | |
3VA51356ED310AA0Circuit Breakers | Siemens | BRKR 3VA51 3P 35A 65KA FTFM | In Stock | - | |
3VA51256ED161AA0Circuit Breakers | Siemens | BRKR 3VA51 1P 25A 50KA FTFM NAV | In Stock | - | |
5SJ42207HG42Circuit Breakers | Siemens | MCB 5SJ4 2P 480/277 20A 10K C-TR | 4 | - | |
3VA52127EF310AA0Circuit Breakers | Siemens | BRKR 3VA52 3P 125A 100KA ATAM | In Stock | - | |
5SJ41017HG42Circuit Breakers | Siemens | MCB 5SJ4 1P 277V 1A 10K C-TRIP | 3 | - | |
3VA52151MU310AA0Circuit Breakers | Siemens | BRKR 3VA52 3P 150A 100KA MCP LO | In Stock | - | |
3VA51204EC320AA0Circuit Breakers | Siemens | BRKR 3VA51 3P 20A 25KA FTAM NUT | In Stock | - | |
3VA52907EC410AA0Circuit Breakers | Siemens | BRKR 3VA52 4P 90A 100KA FTAM | In Stock | - | |
3VA52856ED362AA0Circuit Breakers | Siemens | BRKR 3VA52 3P 25A 65KA FTFM 100 | In Stock | - |