UPS,off line type UPS-500VA, UPS-600VA, UPS-1000VA, and UPS-1500VA 1, Off-line UPS:UPS-500VA, UPS-600VA, UPS-1000VA, and UPS-1500VAThis kind of interrupted power supplies adopt advanced technique. They ... office appliancesParameters:Input voltage: 220V±20%Output voltage: 220V±10% Supply time: rating power 80% (3-4M), rating power 50% (8 ...