... ,online double conversion,IGBT 2.N+X redundant,Hot-swap,green UPS 3.high reliablity,availability,efficiency SICON-EMI Power System ... 3KVA, 6KVA, 5KVA, 10KVA, 15KVA, 20KVA MODULAR STRUCTUREThe UPS system is real modular structure. Each power module functions as a ... unique UPS uniteRedundant updateable system: N+X redundancy, supports on-line upgrade and expansion ...