EA890 series UPS is a intelligent 3 phase in 3 phase out uninterruptible power supply, it adopts double transform high frequency PWM and high performance digital control technique (DSP), with perfect protection, super network management function,
reasonable man-machine interface and a series of precision design, meets all high reliability requirements of uninterruptible
power supply and integrates reliable, safety, maintainability characteristics of a new generation low frequency UPS.