... 2.Online double conversion, Capacity6KVA12KVA18KVAMain InputInput voltage200V/208V (line to line), 50/60HzInput connection3Ph+N+PEPower factor>0.99Input ... voltage window+20%~-20%, full load-20%~-40%, power derating ... /50us + 8/20us higher than 6KV/3KAIP classIP20Interface (Communication Ports )RS232,RS485,Dry contacts,SNMP card,EPO,Generator ...