INVT HT33 serial three phase UPS offersadvanced technology that increase performance and reliability three high speedDSPs with completed digital control fully ensure high quality of powersupply,high input power factor makes UPS green energy saving power.it alsooffers humanization design:full front access of service ability,user-friendlyinterface. Application: ISP(Internet Service Provider),IDC(Internet DataCenter),computing center,bank,server center,precise equipment and etc.Features: 1. Three phase in and out system, compatible with utility of380/400/415V, 50/60Hz 2. Online double conversion, offering load with bestpower quality 3. Support all kinds of load, high overload capability 4. Fullydigital control with three DSPs including IGBT rectifier, inverter, charger 5.Digital circulating current control technology, increasing the parallelreliability 6. Wide input voltage window, compatible with different utilities7. Green power technology, high input power factor, low current THD, highefficiency 8. Intelligent battery management, extending battery lifetime 9.Intelligent self-diagnose function, all kinds of fault protection, largecapability of history record storage. 10. Full front maintenance, saving space.11. Redundant design of power model fans, increasing the system reliability 12.Modularized design of subsystem, convenient field maintenance 13. HighMTBF(mean time before failure)(>200,000h), low MTTR(mean time torepair)(<0.5h) 14. Large LCD display, friendly human machine interface 15.Configured with top and bottom cable connection 16. Parallel up to 6 units. 17.All kinds of options include main back feed protection, bypass back feedprotection, battery leakage protection, battery start kit, output isolationtransformer and lighting protection kit.