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  • Hi I’m Katie with your Galco TV tech tip! When sizing up a circuit breaker there are

  • a few necessary features to look for such as voltage class, current rating, tripping

  • method, tripping characteristics, and short circuit protection capabilities. The current

  • rating is maximum current allowed to flow to the load. A circuit breakersshort circuit

  • breaking capacity will be much higher than its current rating, and indicates how much

  • fault current the circuit breaker can safely interrupt and switch to an off position in

  • the case of a short circuit. Improper sizing of a circuit breaker could result in nuisance

  • tripping, or in the case of an improper short circuit withstand rating, fault current could

  • jump the internal contacts of a breaker, causing catastrophic failure. To find out more about

  • circuit breakers, check out our other videos on Galco TV.

Hi I’m Katie with your Galco TV tech tip! When sizing up a circuit breaker there are

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サーキットブレーカーと短絡保護 - GalcoTV技術のヒント (Circuit Breakers and Short Circuit Protection - A GalcoTV Tech Tip)

  • 153 11
    Huang LuLu に公開 2021 年 01 月 14 日
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