An electrical switchboard configuration includes a control power transformer with a 480 to 120-volt ratio, three potential transformers, and a dedicated metering package. A breaker rated at 1600 ampere trip and 2000 ampere frame incorporates solid-state trip functions with long-time, short-time, instantaneous, and ground-fault settings. A surge protection device connects via secondary distribution paths alongside a bare copper ground conductor. Three current transformers monitor the main bus while auxiliary contacts and specific relay designations maintain system protection.
7/A 2A * T T r 3PTS 480-120V )© XD 5 3 1600AT 2000AF r OH <D A/.C SS7 T LSIG AFRD 9 SPD METERING PACKAGE B cs 3CTS n n ii BARE
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