Voltage Protector is also called as Power Guard, Safeguard or Automatic Voltage Switcher, which is designed to protect all the voltage sensitive appliances like refrigerators, air conditioners, etc. It can automatically disconnect the mains power once the voltage is out of the normal range, preventing the appliances being damaged due to over voltage or under voltage. Once the input voltage backs to normal range, it will automatically reconnect to the power grid.

Automatic power changeover switch can be connected to the main grid electricity, generators, solar energy, wind energy.When one of the power supply systems is out of power, the changeover switch can be switched automatically to ensure normal power supply.

Mainly used in homes, hospitals, supermarkets, shopping centers and so on, to provide convenience for these places.