... up 40% three phase power saver Technical parameter :Switch : with swith to control "Auto" , "Off" ,"Manual"or small . ... auto control: use RTOS embedded Microchip to auto control when the loading big LED display and ... 3 phase energy saver three phase power saver with LED display and Microchip control, For industryPhase : ... ,Factory,Cyber-cafe,etc.. 200 amp automatic power saver ,With LCD,LED