The DNQ8 automatic transfer switch (ATSE) is a switch that integrates switch and logical thinking to truly realize electromechanical integration. It has the functions of voltage detection, communication interface, electrical and mechanical interlocking. It also can realize automatic, manual, remote control and emergency manual control. It is applicable to the automatic conversion of the main power supply and standby power supply of the power supply system or the automatic conversion and safety isolation of two load devices.

The operation is realized by the logic controller managing the operation of the motor and gearbox with various logic commands. The motor drives the energy storage spring to release instantaneously.