... high frequency online ups True online double conversion technologyWide input voltage rangeZero transfer timeProtection against all types of power problemsNo add ... msMaintenance Bypass SwitchYesLED indicatorsStatusLoad level/Battery level, Battery , Utility power, Inverter, Bypass, Overload, FaultAudible alarmBypassAlarm beeps every two ... H (mm)260 x 570 x 717 UPS--LCD Online ups power system 6-20Kva