DOCTOR 4KVA-10KVA 
True online rack mountable single phase UPS
Customer specific requirements acceptable

·True double-conversion online UPS
·DSP technology guarantees high performance
·Wide input voltage range (110-300VAC)
·Active input power factory correction at 0.99
·50Hz/60Hz frequency converter mode
·Emergency power off function (EPO)
·3-stage extendable charging design for optimized battery performance
·SNMP/USB/RS-232 communications
·Modularized design of subsystems, convenient for field maintenance
·LCD display or graphic LED  optional