... 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 Frequency, battery, loadAlarmAlarmMains failure, battery low, overload, inverter faultMutemanualNoise< 45 dB (at 1 meter)EnvironmentTemperature0 - 40Humidity< 95 ... mm)430 x 460 x 133 3KVA pure sinewave 48VDC Inverter