... , for industry, for Motor, for electromotor LED display and firmware control, Three phase energy saver, power ... LED display and firmware control, Use RTOS embedded MIC to Three phase power saver with LED display and Microchip control, For industry 3 phase energy saver LED display and ... 400AMP Suitable temperature range: -50~+60 Method of Power compensation: Automatic Three Pase LED display Power Saving