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  1. G744

    MEP-804B Single Phase Use Questions

    Motors are inductive devices, and respond to voltage swings with increased amp draw if run undervoltage, and vice-versa. The bottom line is heat rise against horsepower demand. Stay within the specifications (i.e. service factor eTc) and they will have a long happy life. DG
  2. G744

    MEP-804B Single Phase Use Questions

    Years ago in North America, 4160 was a popular distribution voltage, easily divided by a 10:1 ratio to 416. It sees use only in non-upgraded facilities here.
  3. G744

    MEP-804B Single Phase Use Questions

    240/416 is an old designation. It should be adjustable to 277/480V via the regulator knob. Why Uncle Sam stuck with that I just can't understand. Kinda like 110/220V stuff...It doesn't exist in any US distribution system today. Well, maybe where Deliverance was filmed... Going from 3ph to...
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