ONLINE UPS Power Supply 6-20kVA Pure Sine Wave UPS 1. True on-line double conversion technology with advanced microprocessor control ONLINE UPS. 2. Wide input voltage range with high frequency technology ONLINE UPS. 3. Zero transfer time ONLINE UPS. 4. Protection against all type of power problems 5. Self test while start of the ONLINE UPS. 6. Site wiring fault warning ONLINE UPS. 7. On-battery power-on function 8. Smart RS232 communication interface 9. Intelligent slot available ONLINE UPS. 10. Sealed acid battery, free-maintenance battery 11. True Regenerative online Uninterruptible Power Supply Design ONLINE UPS.