Electrical · E-Z9NVN

Electrical Switchboard Bus Duct Interconnection Diagram

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An electrical bus duct rated at 1600A interconnects two separate 480V, 3-phase, 3-wire, 2000A distribution systems. Each side incorporates circuit breakers with specific trip and frame ratings including 1600AT/1600AF and 600AT/800AF units. Tie breakers labeled ATB and BTB are designated as normally closed and normally open respectively. Branch connections tap off the main 2000A buses through individual protective devices.

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