ZJ-ATS dual power supply controller applies AC400V, AC380V, AC240, AC220V AC power supply dual power switch, the page is simple, easy to operate, overvoltage and undervoltage, automatic identification. The ZJ-ATS dual power supply controller has a high-speed switching function, manual switching, automatic switching, the power-off time is less than 15 milliseconds, and it can meet the requirements of the computer, PLC, contactor, relay and other sensitive loads when switching. It is faster than the traditional dual power supply controller and is an economical dual power supply controller.