... up 40% 200amp three phase power saver Technical parameter :Switch : with swith to control "Auto" , "Off" ,"Manual"or small .auto control ... , 3 phase energy saver three phase power saver with LED display and Microchip control, For industryPhase : ThreeRated voltage: 90v-400vLED Display , can ... ,Factory,Cyber-cafe,etc.. 200 AMP three phase power saver with LCD,LED display