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    3. I have a Power Distribution Unit [480 V 60Hz 3ph] Rated at 200HP that drives a 150HP remote motor load. What HP Rating info should be applied to the PDU Nameplate [for mains connection]?
    I have a Power Distribution Unit [480 V 60Hz 3ph] Rated at 200HP that drives a 150HP remote motor load. What HP Rating info should be applied to the PDU Nameplate [for mains connection]?

    I have a Power Distribution Unit [480 V 60Hz 3ph] Rated at 200HP that drives a 150HP remote motor load. What HP Rating info should be applied to the PDU Nameplate [for mains connection]?


    The NEC has nameplate rating requirements for motors, motor controllers and such, but does not seem to address this.  Arc flash calculations would take into account a motor acting like a generator during coast-down following an interrupted fault.  Thanks for any guidance you can offer.

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    0  Views: 1402 Answers: 1 Posted: 14 years ago
    Tags: marking labelling rating electrical
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      Sorry but though we do our best to answer questions here, we are a general questions and answer site only and this is beyond our knowledge base. I'm not even sure where to direct you for help. I apologize that we could not be of any help. 

      14 years ago. Rating: 1
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