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  1. wizard54

    Resistance Boiler

    They are enclosed in a control cabinet with intake muffin fans
  2. wizard54

    Resistance Boiler

    I should have been more clear about the 9 @ 80. In reality that would be, 18 contactors @ 40 amps and 1 @ 40. The boilers stay on line and are not starting up cold. The average amperage draw is 43 Amps per leg 3 Phase The contactors do sequence as per load demand
  3. wizard54

    Resistance Boiler

    The contactors are 3 phase
  4. wizard54

    Resistance Boiler

    David I have two brand new Precision Electric Boilers Model # ST-30D-760D-480/150 PPh - 2593 KW - 760 Contactors are Furnas 42CF35AF - 480Volt = 40 Amp Elements 38 @ 20 KW - 9 @ 80 & 1@ 40 Contactors 19 Just after three days of number 1 boiler being on line the contactors contacts are burning...
  5. wizard54

    Resistance Boiler

    David Thanks for the reply, let me put something together for you to look at.
  6. wizard54

    Resistance Boiler

    Need help with a Brand New Resistance Boiler eating up contactors
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