Tech SpecificationOutputOutput power capacity18.0 KWatts / 20.0 kVAMax Configurable Power (Watts)18.0 KWatts / 20.0 kVANominal Output Voltage400V 3PHNeutral Output Current43AOutput Voltage NoteConfigurable for 400 or 415V 3 Phase nominal output voltageEfficiency at Full Load87.0 %Output Voltage DistortionLess than 2%Output Frequency (sync to mains)50 Hz – programmable +/- 0.5 / 1 / 2 / 4 / 6 / 8%Output Frequency (not synced)50Hz +/- 0.1% for 50Hz nominalOther Output Voltages380, 415Load Crest Factor3 : 1TopologyDouble Conversion OnlineWaveform typeSine waveOverload Operation10 minutes @ 125% and 60 seconds @ 150%Maximum Output Current190Output Voltage THD< 1% linear load and < 2.5% nonlinear loadOutput Voltage Tolerance+/- 2% static and 100% load stepBypassBuilt-in Maintenance Bypass, Built-in Static Bypass, Optional External BypassInputNominal Input Voltage400V 3PHInput frequency45 – 65 HzInput ConnectionsHard Wire 4-wire (3PH + G)Input voltage range for main operations323 – 437 (380V), 340 – 460 (400V), 353 – 477 (415V)VEfficiency at Full Load87.0 %Input Total Harmonic DistortionLess than 5% for full loadType of Input Protection RequiredgL fuseOther Input Voltages380, 415Maximum Short Circuit Withstand (Icw)20.0kAmpsMaximum Input Current42.0AInput Power Factor at Full Load1.0Batteries & Runtime