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Circuit Breakers
(16237 results)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 |
|---|---|---|---|---|---|
 3RV10111FA10Circuit Breakers | Siemens | MSP,GROUP TAP,S00,CL10,3.5-5A,SC | 5 | - | |
 3VA52905EC312AA0Circuit Breakers | Siemens | BRKR 3VA52 3P 90A 35KA FTAM 100 | In Stock | - | |
 3VA62105KT410AA0Circuit Breakers | Siemens | BRKR 3VA62 4P 100A 35KA ETU8-LSI | In Stock | - | |
3VA52226ED322AA0Circuit Breakers | Siemens | BRKR 3VA52 3P 225A 65KA FTFM 100 | In Stock | - | |
 3VA62105HN320AA0Circuit Breakers | Siemens | BRKR 3VA62 3P 100A 35KA ETU3-LSI | In Stock | - | |
 3VA52805EC321AA0Circuit Breakers | Siemens | BRKR 3VA52 3P 80A 35KA FTAM NAV | In Stock | - | |
3VA52177EC322AA0Circuit Breakers | Siemens | BRKR 3VA52 3P 175A 100KA FTAM 10 | In Stock | - | |
 3VA51454ED410AA0Circuit Breakers | Siemens | BRKR 3VA51 4P 45A 25KA FTFM | In Stock | - | |
 3RV16111AG14Circuit Breakers | Siemens | MSP,1.4A MSP S00 FOR TRANS. W/AU | In Stock | - | |
 5SY42055Circuit Breakers | Siemens | MINIATURE CIRCUIT BREAKER 400V | In Stock | - | |
 5SY46208Circuit Breakers | Siemens | SUP PTOR 5SY4 3P+N 480V 20A 5K D | In Stock | - | |
 3VA51256EC361AA0Circuit Breakers | Siemens | BRKR 3VA51 3P 25A 65KA FTAM NAV | In Stock | - | |
 3VA51705EF310AA0Circuit Breakers | Siemens | BRKR 3VA51 3P 70A 35KA ATAM | In Stock | - | |
 LEN04D006024CCircuit Breakers | Siemens | CONTACTOR,LTG,EH,N4X,60A,6NO,24V | In Stock | - | |
 5SJ42048HG41Circuit Breakers | Siemens | MCB 5SJ4 2P 240V 4A 14K D-TRIP | In Stock | - | |
 LEN01D006240CCircuit Breakers | Siemens | CONTACTOR,LTG,EH,N1,60A,6NO,240V | In Stock | - | |
3VA52405ED312AA0Circuit Breakers | Siemens | BRKR 3VA52 3P 40A 35KA FTFM 100 | In Stock | - | |
 3VA51506ED321AA0Circuit Breakers | Siemens | BRKR 3VA51 3P 50A 65KA FTFM NAV | In Stock | - | |
 3VA51124ED110AA0Circuit Breakers | Siemens | BRKR 3VA51 1P 125A 25KA FTFM | In Stock | - | |
 3VA62105KQ320AA0Circuit Breakers | Siemens | BRKR 3VA62 3P 100A 35KA ETU8-LSI | In Stock | - | |
 3VA51104ED211AA0Circuit Breakers | Siemens | BRKR 3VA51 2P 100A 25KA FTFM NAV | In Stock | - | |
 3VA51706ED221AA0Circuit Breakers | Siemens | BRKR 3VA51 2P 70A 65KA FTFM NAV | In Stock | - | |
 3VA51506ED160AA0Circuit Breakers | Siemens | BRKR 3VA51 1P 50A 50KA FTFM AL | In Stock | - | |
 3VA51905ED111AA0Circuit Breakers | Siemens | BRKR 3VA51 1P 90A 35KA FTFM NAV | In Stock | - | |
 3VA51305EC410AA0Circuit Breakers | Siemens | BRKR 3VA51 4P 30A 35KA FTAM | In Stock | - |
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