Electrical · E-AA8FX

Roof Distribution Panel "Rh1"

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Roof distribution panel RH1 is rated at six hundred amperes, four hundred eighty volts, three-phase, three-wire plus ground, with a sixty-five thousand amp interrupting capacity in a NEMA 3R outdoor enclosure. The panel feeds two motor loads designated AC-1 and AC-2, each equipped with a variable frequency drive furnished by others and a four-hundred-ampere circuit breaker. Main incoming service is protected by a six-hundred-ampere three-pole circuit breaker with long-time, short-time, and instantaneous trip functions. Conductors pass through current transformers numbered 4003 on each branch circuit.

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