This product series is an all-digital double-conversion online high-frequency three-phase UPS system under DSP control technology. This series of products have strong parallel redundancy characteristics, and the input harmonic distortion THDI 7%, the input power factor 0.99, the overall efficiency of AC~AC reaches 92%, and the output power factor is 0.8. It can be said that this series of products is A highly reliable, high-efficiency green power supply.