U.S. Forest Service

Feeder Circuit Breaker Sizing. Feeder Circuit Breaker carrying a load of 2 motors and other resistive loads must be sized for being able to start the largest. Motor plus the sum of the other loads. I Amp Circuit Breaker Size. 10 HP Motor 24.77 70. 5 HP Motor 13.7 35. 10KW Heater 24.05 35. 5KW Heater 12.02 20 ................
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