... 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 ... -20%~-40%, power derating between 100% to 70%Frequency window40-70HZBypass inputBypass voltage200V/208VBypass voltage window+ ... (500VDC)Dielectric strengh(input,output to PE)2820Vdc, leakage current lower than 3.5mA, no flashover in ...