... up 40% 200amp three phase power saver Technical parameter :Switch : with swith to control "Auto" , "Off" ,"Manual"or small .auto control ... firmware control, 3 phase energy saver three phase power saver with LED display and Microchip control, For industryPhase : ThreeRated voltage: 90v ... ,Factory,Cyber-cafe,etc.. 200 AMP three phase power saver with LCD,LED display