... Input Frequency:50HZ+/-5% Input Capacity:2KW-800KW Display:LED LCD 1.UsageEmergency power supplied to the equipment of 380V/220V, such ... .5%Overload capacity120% ordinarily runRegulating time<0.2sBatterySealed battery maintained for freeBackup timeStandard time is 90 minuted or 120 minuted (backup ... ,130,160,180,200,280,315,400,500,630,800KW Emergency power supply( EPS) Series