input AC 380V, output 240V DC, connect directly to PC and Server, just like ups of computer, no need to change, ... cooling with fanProtocalRS485, RS232Accoustic noise<60dBProtectionMulti-protectionMulti-protection including input over or under-voltage, output over or under-voltage, ... components could be customized accordingly. New generation ups of computer - 240V DC system, low cost, high reliability