... +X redundant,Hot-swap,green UPS 3.high reliablity,availability,efficiency SICON-EMI Power System CO ... are widely used in different fields, including electric power, science institute, national defense, telecom, finance, ... POWER SOLUTION220V,230V,240V; 50Hz,60Hz; 3/3, 3/1, 1/3, 1/1GREAT PERFORMANCE INDEXOverall efficiency ≥ 95%, inverter ... , just with the power module changed. pure sine wave online UPS