As the name implies, the dual power automatic transfer switch automatically connects to the backup power supply through the dual power switch when the power is suddenly cut off, so that our operation will not be interrupted and can continue to operate. This switch is used in many places in our lives, and many companies and communities have it.
Dual power automatic transfer switch electrical appliances are mainly used in emergency power supply systems, which automatically switch the load circuit from one power supply to another (backup) power supply to ensure the continuous and reliable operation of important loads. Therefore, it is often used in important power consumption places, and its product reliability is particularly important. Once the conversion fails, it may cause one of the following two hazards: a short circuit between the power supplies or a power outage of important loads (even a short power outage), and the consequences are serious. This will not only bring economic losses (production suspension, financial paralysis), but may also cause social problems (putting life and safety at risk). Therefore, industrially developed countries have listed the production and use of automatic transfer switch electrical appliances as key products and restrict and regulate them.