... Integrated 240V DC power system InputInput voltage380V AC±15% 3 phase, or 220V AC±15%AC input frequency45Hz ~ 65HzEfficiency≥ ... output over or under-voltage, over-temperature, reverse connection, phase failure, and short circuit protection. The rectifier will shut down ... modules and components could be customized accordingly. New generation of apc home UPS power system - 240V DC system, low cost, high ...