Main Switchboard (MSB) · Power Distribution
It is normally installed in the main or emergency switchboard room, electrical distribution room or dedicated charger/control cabinet. Its primary duty is to receive, protect, control and distribute electrical power to shipboard consumers and maintain continuity of supply under normal and emergency conditions. In service it interfaces with generators, busbars, breakers, transformers, emergency sources, motor feeders, protection relays, PMS functions and downstream distribution panels. Compared with neighboring entries in the same product family, this record is the exact Terasaki Electric TemPower2 800A 400V variant; the model designation should be quoted exactly when matching onboard documentation and spares. For exact limits, settings, test values and approved maintenance criteria, refer to the manufacturer documentation for the exact figure.
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What our service work and the manufacturer documentation say about keeping this model running.
Inspect busbars and connections for heat damage, breaker mechanisms, interlocks, protection and metering, control power, ventilation, cleanliness, insulation condition and alarm/event history; perform functional tests under approved procedures and refer to manufacturer documentation for exact settings.
Carry critical breaker control components, fuses, indication lamps or modules, protection-relay spares where practical, cooling fans, contactors and approved control-power components.
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