1.high frequency,online double conversion,IGBT 2.N+X redundant,Hot-swap,green UPS 3.high reliablity,availability,efficiency SICON-EMI ... module: 3KVA, 6KVA, 5KVA, 10KVA, 15KVA, 20KVA MODULAR STRUCTUREThe UPS system is real modular structure. Each power module functions as ... the distributors and the users. And the maintenances of the UPS is very easy, just with the power module changed. Online UPS