... Three phase UPS HT33 series 10-200kVAonline doubule conversion, three phase, IGBT inverter and output isolation transformer, EPO & ... voltage window, compatible with different utilitiesGreen power technology, high input power factor, low current THD, high ... 2820Vdc, leakage current lower than 3.5mA, no flashover in 1 minuteSurge protectionComply with IEC60664- ... 10~120KVA three phase Online UPS