... 1.Advanced Battery Management 2.Automatic charging in UPS off mode 3.Smart RS-232 ... port 4.Optional SNMP card Key Features1.Three phase in, one phase out2.Microprocessor control3.100% unbalance ... 85% Transfer Time0ms Panel Indication LCDInput,oupt,battery voltage,frequency,load rate,UPS state, temperature LEDMain input , ... 1110945*745*1395 Package weight(Kg)98165165350 Low Frequency Online UPS TB10K-30K