... , Servo drives.0.75kw-630kw inverters with input and output voltage 220V, 380V, 460V, and 690V.(fluctuating 15%)0.75~630KW ... District, Shenzhen, China Best regards..Yours FaithfullyJason Bournewww.powtran.com variable voltage and frequency and variable speed frequency converter inverter ac drives ...