... saver three phase power saver with LED display and Microchip control, For industryPhase : ThreeRated voltage: 90v-400vLED Display , can see the ... savingRTOS embedded firmware control Switchwith "Auto""Off""Manual" choiceUseful Load: 400 AmpApplications:Shop, House ... ,Factory,Cyber-cafe,etc.. 400AMP Three phase power saver,LED,LCD display