Blue Gate 4KVA/2100W Online UPS HF Series – BGK 3.0HFi, offers seamless power backup, with zero transfer performance. The Blue Gate Online UPS range has zero switching time, making them ideal for sensitive equipment like servers, networking devices, and similar equipment that will not tolerate any power switchover time. The Blue Gate 3KVA UPS, like others in the series, boasts an advanced UPS design, with a central processing system. It is equipped with advanced voltage compensation technology, advanced frequency technology, and advanced PFC technology. You get undistorted standard sine wave from a wide range of input variables, as a result. Small-Medium network, servers, and other IT equipment Features 1. High frequency and double conversion online technology 2. Fully digitized microprocessor control 3. Wide input voltage range 4. LCD display 5. UPS start-up without battery 6. Cold start 7. Advanced battery management 8. Automatic battery charging in UPS off mode 9. Lightning and surge protection 10. Short circuit and overload protection 11. Fan speed auto control when loads vary 12. Network/fax/modem surge protection 13. An optional extension battery pack 14. Battery voltage display 15. Load capacity display 16. EMI/RFI noise filter 17. Smart RS232 communication with monitoring software 18. Optional SNMP card slot 19. EPO function (optional) 20. Input L and N reversed alarm function