... . 2.Capacity:15KVA. 3. 3 phase in 1 phase out. 4.N+X parallel redundancy. 5.IGBT inverter,RS232,SNMP Online ... external battery capacityNoise LevelDistance is 1 meter<55db(A)DisplayLEDAC, Inverter, Low battery, Bypass, Overload, FailureLCDLCD indicates voltage,frequency, battery ... ,China.More than 10 years experience in UPS and inverter power manufacturing.Upgrade the quality systerm on ISO9001:2000 ...