... 10KVA-200KVA, 20KVA-480KVAPower 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 ... the users. And the maintenances of the UPS is very easy, just with the power module changed. pure sine wave online UPS