Exextra Voisthled Avs15 Aircon Guard Automatic Voltage Switcher

It protects against high voltage (over-voltage), low voltage (under-voltage), power-back surges, and spikes. It features an adjustable delay for startup, ranging from 10 seconds to 3 minutes, ensuring appliances are not subjected to massive surges immediately after power returns. This specific unit is rated for 15 Amps, making it suitable for air conditioners and large appliances. The device automatically disconnects power when voltage strays outside acceptable limits and reconnects when power returns to normal.