Introduction: E-Tech series Online HF UPS 1-5K has adopted highest level DSP controlled UPS. With advanced DSP technology, it’s not only high stable but also with excellent performance. Perfect Application: Network, data centre, servers and workstations, control system, communication system and office etc. Features: 1.Output power factor 0.9,offering more stronger load capability; 2.Online double conversion with DSP control With excellent performance and comprehensive protections for load and UPS ; 3.Self-diagnosis when UPS start up 4.Wide input range, support kinds of generator 5.Battery configuration flexible,1KVA-24/36V,2Kva-48/72/96V,3Kva-72/96V etc. 6.Cold start(DC power on) 7.ECO function, Economic function (Optional) 8.simply design and less noise 9. Lightening and Surge protection 1050J 10. Fan speed varies according to load automatically 11. Smart RS232 (USB, Dry contact,SNMP card optional) 12. Manual bypass (optional)