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Siemens B330 – Circuit Breaker

  • Sense when an over current occurs
  • Measure the amount of over current
  • Act by tripping quickly enough to prevent damage to itself and associated conductors

B330 Siemens 3 Pole 30 Amp circuit breakers are specifically designed for industry that require constant demand for full power to equipment. These bolt-on breaker minimize arching which causes damage to the power bus. Bolt-on breaker are more expensive than their counter part the plug-in residential style. Breaker are also switch duty rated and rated for use with air conditioning, heating and lighting.


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