... module: 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 ... distributors and the users. And the maintenances of the UPS is very easy, just with the power module changed. UPS for computer