Automatic Transfer: When the normal power supply is abnormal, the switch will automatically switch to the standby power supply, making it work immediately. Continuous Power Supply: This switch can be switched in milliseconds without interruption, which ensures the continuity, reliability and safety of the power supply. Sturdy Construction: This automatic transfer switch has the characteristics of firm structure, reliable conversion, convenient installation and maintenance,. Wide Application: This switch can be widely used in various places where continuous power failure is not allowed, such as factories, shopping malls, nurseries, etc., Manufacturer: TRDEWR