... load the power to 2000VA Specifications1,Relay Type Automatic Voltage regulator 2,Input voltage range: 120V~260 Vac, 50/60Hz ... the authentic zero-crossing technology, which makes the relays switching on/off at the zero point, it reduces the shock ... to the relays and to the loads at the switching point, so that you can gain more smooth output ... %RH-102%RH, non-condensing 2000VA 220V voltage regulator