... rack mount pure sinewave 3KVa inverter,19inch series are in accordance with international standard 48 Vdc digital controlling rack mount pure sinewave 3KVa inverter,Inverter specifications ... /P Voltage, / O/P Frequency, Load, Battery Voltage, TemperatureDigitalI/P&O/P voltage, O/P Frequency, battery, loadAlarmAlarmMains failure, battery low, overload, inverter faultMutemanualNoise ...