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  1. klh7891

    Overload relays

    I have purchase an overload relay which is protecting an extractor fan in a spraypainting booth. It runs on a DOL starter with overload 2.5 - 4A. The motor tongtests at 3.7A per phase. If I set the overload to 2.5A the motor runs for about 15 minutes before it trips!! Is this ok or is the...

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