JQ5G3 series dual power automatic transfer switch is a new type of automatic transfer switch that integrates switch and logic control and truly realizes mechatronics. It is suitable for rated insulation voltage up to 1000V, rated frequency up to 50Hz, rated voltage up to 400V, and the conventional heating current up to In 3200A industrial and enterprise power distribution equipment, it is used for the automatic conversion of the main power supply and the backup power supply of the power supply system or the automatic conversion and safety isolation of two load equipment, etc. It is widely used in hospitals, shopping malls, banks, high-rise buildings, coal mines, Important occasions where power failure is not allowed, such as telecommunications, iron mines, highways, airports, industrial assembly lines and military facilities.