... 200amp three phase power saver Technical parameter :Switch : with swith to control "Auto" , "Off" ,"Manual"or small .auto control: use ... , 3 phase energy saver three phase power saver with LED display and Microchip control, For industryPhase : ThreeRated ... can see the savingRTOS embedded firmware control Switchwith "Auto""Off""Manual" choiceUseful Load: 200ampApplications:Shop, House, Restaurant,Office ...