![]() ![]() The overcurrent feeder amp rating should not exceed the conductor ampacity rating on the loadside. This value is added to the full loadĬurrents of the other loads in the circuit (motors, heater, and the primary of the transformer). In this example, the 125A circuit breaker is the largest short-circuit protective device. ![]() The feeder amp rating is sized based on the sum of the amp rating of the largest branch protective device plus the full-load currents of the other loads. Sizing the feederReference to UL 508A Section 32.3.1a Group MotorMultiple Motors Protected by a Single Set of Fuses or BreakerģEATON CORPORATION Control panel design guideĤ EATON CORPORATION Control panel design guide Control panel design guideaccording UL 508A Build it in.Ģ EATON CORPORATION Control panel design guideĬontroller Controller Controller ControllerControllerTransformer
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