... .N+X redundant,Hot-swap,green UPS 3.high reliablity,availability,efficiency SICON-EMI Power System ... ) and extremely high cost-efficiency.POWER RANGESystem capacity:3 KVA -36KVA, 5KVA-180KVA, 10KVA-200KVA, 20KVA ... 50Hz,60Hz; 3/3, 3/1, 1/3, 1/1GREAT PERFORMANCE INDEXOverall efficiency ≥ 95%, inverter efficiency ≥97%,THDI ≤ 3%, and input PF ... just with the power module changed. pure sine wave online UPS