We are Manufacturer and exporter of auto mains failure panels, amf panels, Automatic mains failure panels.uto mains failure panels, also known as AMF panel, are used to automatically changeover from mains electricity supply to stand-by generator or genset on failure of the mains supply. When the mains supply is restored, the system automatically changes back and stops the genset. The stand-by generator will be eventually shut down after a short cooling down period.