Three phase UPS HT33 series 10-200kVA Three phase UPS HT33 series 10-200kVAonline doubule conversion, three phase, IGBT ... load, high overload capabilityFully digital control with three DSPs including IGBT rectifier, inverter, chargerDigital circulating current control technology, ... transfer to bypass after 1hour125%, transfer to bypass after 10 minutes150%, transfer to bypass after 1 minute>150%, ...