Auto control three phase power saver ,save up 30% 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 firmware control, 3 phase energy saver three phase power saver with LED display and Microchip control, For industryPhase : ThreeRated voltage: 90v-400vLED Display , can see the savingRTOS ...
