Electrical · E-JESHH

Main Electrical Room Switchboard Single Line Diagram

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The new switchboard SWB2039BA is configured for 277/480-volt, 3-phase, 4-wire service with a 1200-ampere bus and 65 KAIC short circuit rating. The main device includes a 1200-ampere frame, 1200-ampere trip unit with ground fault protection, and a multi-metering unit. Feeder breakers are distributed across fourteen positions, including multiple 3-pole 150-ampere trip / 225-ampere frame breakers, spare spaces, and a transient voltage surge suppressor connection. The installation is located in the Level 1 main electrical room.

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