The automatic Mains Failure Panel (AMF panel) is the shortened form of the Auto Mains Failure panel, An AMF Panel can also call be called an Automatic Transfer Switch. Automatic Mains Failure panels are installed as part of an automatic generator installation. The AMF is connected to the generator set to power control the operational functions. AMFs are most commonly used in the systems that required automatic from Mains supply to DG supply and other similar applications.