Why can't I use a domestic model APC UPS on a ship
... designed for a 3 wire input comprised of ... ... this environment, APC has the Smart ... ... ship with delta power . APC UPS transfers to ... +/- 5 V on the ... power supplies that accept a wide range of input voltage; therefore, they would ... unit and the domestic are that the site wiring fault circuit is disabled, a double pole breaker replaces the single pole breaker at the input, and a triple pole switch is added that can disconnect the incoming AC as well as the bias ... delta power aware that the ship must have over current protection (fuse or circuit breaker)