Long backup online UPS MP-6KVA Multifunctional and high quality online UPS, LCD display, intelligently stabilizing current. long backup Online UPS MP-6KVAMain performance features1. ... 14. Wide input voltage and frequency range, TC Series UPS matches the main brands generators, the standby time is ... generators so as to provide safe stable and pure power supply for loading. 15. With RS-232 communication ...