... Filter, Servo drives.0.75kw-630kw inverters with input and output voltage 220V, 380V, 460V, and 690V.(fluctuating 15%) 0.75~630KW 220 ... systems / textile / machine tool / reeling machines / paper winding machine / conveyor / belts / boiler system / crane, etc.The stability and flexibility have the suffrage ... frequency inverter, VFD VVVF variable frequency speed drive, motor drives, energy saving