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  • Users: Shmantz
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  1. Shmantz

    Control Panel Breaker Sizing For UL Approval

    Does anyone know what the procedure is for calculating the Main Breaker size for a Control Panel that requires UL certification? A panel shop we are using says that UL requires the Breaker to be sized at 80% of the total FLA of device ratings in the panel. I am questioning this because we have...
  2. Shmantz

    PLC's

    What is the difference between sychronous and asychronous when referring to types of PLC's? Can someone explain.

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