... with international standard 48 Vdc digital controlling rack mount pure sinewave 3KVa inverter,Inverter specifications ModelLI10L-RM-INV LI15L-RM-INV LI20L-RM ... voltage, O/P Frequency, battery, loadAlarmAlarmMains failure, battery low, overload, inverter faultMutemanualNoise< 45 dB (at 1 meter)EnvironmentTemperature0 - 40Humidity< 95% (Non ... W x H)(mm)430 x 460 x 133 3KVA pure sinewave 48VDC Inverter