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  • Users: DonQ
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  1. DonQ

    MCC Starter Replacement

    Does anyone know if an existing across-the-line motor starter inside a motor control center bucket can be changed to a 'soft-starter' without having any issues with NEC? Only wanting to change the starter, not the breaker, control transformer, etc. thanks
  2. DonQ

    Bad Power Factor

    Hello, Recently a pumping station was upgraded and the 'part-wind' starters and power factor correction capacitors for three 60hp 480 pumps were replaced with ABB ACQ580 variable frequency drives. Ever since this upgrade, the power factor has dropped every month, dropping from 90% PF (with the...

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