... directly to PC and Server, just like uninterruptible power systems, no need to change Rectifier Moduletheory for the UPS ... or forced cooling with fanProtocalRS485, RS232Accoustic noise<60dBProtectionMulti-protectionMulti-protection including input over or under-voltage, output over or ... customized accordingly. New generation of uninterruptible power systems - 240V DC system, low cost, high reliability