... 10KVA1KVA~20KVA1KVA~40KVA AC inputPhaseSingle-phaseVoltage220V±20%Frequency50HZ±10% AC outputPhaseSingle-phaseVoltage220 V±2%(On battery)Frequency50HZ ... range of DC voltage40-57V90-150V180-300VAdversedisturbance current<10%System specProtectionOverload, over charge and over discharge; out ... 200KVA2, High frequency online UPS from 1KVA to 10 KVA3, Inverters with 48v, 110v, and 220v,4 ...