... , EPO & ECO, manual maintenance bypassFeatures:Three phase in and out system, compatible with utility of 380/400 ... high efficiencyIntelligent battery management, extending battery lifetimeIntelligent self-diagnose function, all kinds of fault protection, large capability of ... PE)2820Vdc, leakage current lower than 3.5mA, no flashover in 1 minuteSurge protectionComply with IEC60664-1 class IV, ...