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  1. ME69

    Fuse trip on motor startup

    We are experiencing branch circuit fuse tip on 1 phase when a 100hp 460v NEMA-B motor starting a large fans in the x-line or VFD bypass mode. Motors start and run fine in VFD mode. Motor and wiring meg ok. Fuses are 200 AMP Time delay. Their time curves indicate that they should hold the LRA...

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