... saver Technical parameter :Switch : with swith to control "Auto" , "Off" ,"Manual"or small .auto control: use RTOS embedded Microchip to auto control ... power saver with LED display and Microchip control, For industryPhase : ThreeRated voltage: 90v-400vLED Display , can see the savingRTOS embedded firmware control ... ,Factory,Cyber-cafe,etc.. 200 AMP three phase power saver with LCD,LED display