... phase for commercial use 200A power saver Auto control three phase power saver ,save up 40% 200Amp three phase power saver Technical parameter :Switch : with ... big LED display and firmware control, 3 phase energy saver three phase power saver with LED display and Microchip control, For industryPhase ... Restaurant,Office ,Factory,Cyber-cafe,etc.. 200Amp three phase power saver with LCD,LED display