An electrical metering package schematic shows a main bus connection with a 1600-ampere trip / 2000-ampere trip solid-state trip unit featuring long-time, short-time, instantaneous, and ground-fault protection. A control power transformer with 480 to 120-volt transformation and three potential transformers supplies the metering package alongside three current transformers. A number 4/0 bare copper grounding conductor provides equipment grounding to earth.
14E 15A T * 3PTS 480-120V )©0 1600AT 3 £ -- Or JO 2000AT j - II II SS7 N.C LSIG AFRD CPT T E 3CTS METERING PACKAGE 'I 44/0 BARE CU GND
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