1. Three phase in and out system, compatible with utility of 380/400/415V, 50/60Hz 2.Online double conversion, Capacity6KVA12KVA18KVAMain InputInput voltage200V/208V (line to line), 50/60HzInput connection3Ph+N+PEPower factor>0.99Input voltage window+20%~-20%, full load-20%~-40%, power derating between 100% to 70%Frequency window40-70HZBypass inputBypass voltage200V/208VBypass voltage window+15 ...