Voltage Regulator Microprocessor Control Short Circuit&Overvoltage Protection Selecteable Delay Time Built-in Transformer Voltage Regulator Model RVK-PROSpecificationsInputAC 80V~140V / AC 140V~250VOutputAC 110V / AC 220VFrequency50/60HzDelay Time6Secs/2~3MinsApparent Power500VA, 1KVAMeasurement(mm,H x W x D)85 x 325 x 120, 1.75Kg (RVK-500PRO)85 x 325 x 120, 1.75Kg (RVK-1000PRO) Features· ...