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  • Users: DTrump
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  1. DTrump

    100 amp breaker tripped

    We have a 50 HP motor at 480 v that is serviced through a 100 amp CB and VFD controlled. It runs a large fan that exhausts fumes from one department into a Regenerative Thermal Oxidizer to "cook" off the fumes before they are released to the atmosphere. I got a call from the second shift...
  2. DTrump

    Pringle Switches

    Should I have any concerns about exercising a 2000 amp main Pringle switch that hasnt been exercised in about 10 years?

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