... .N+X redundant,Hot-swap,green UPS 3.high reliablity,availability,efficiency SICON-EMI Power System CO ... UPS, features with high efficiency (≥95%), high stability (N+X redundancy) and extremely high cost-efficiency.POWER RANGESystem ... 1/3, 1/1GREAT PERFORMANCE INDEXOverall efficiency ≥ 95%, inverter efficiency ≥97%,THDI ≤ 3%, and input PF≥ 0. ... with the power module changed. pure sine wave online UPS