... embedded Microchip to auto control when the loading big LED display and firmware control, 3 phase energy saver three phase ... power saver with LED display and Microchip control, For industryPhase : ThreeRated voltage: 90v- ... " choiceUseful Load: 400 AmpApplications:Shop, House, Restaurant,Office ,Factory,Cyber-cafe,etc.. 400AMP Three phase power saver,LED,LCD display