Lighting Surge Arrester used to protect electrical equipment from high transient over-voltage hazards caused by lightning, and to limit the free-wheeling time, and often also limits the magnitude of the freewheeling of an electrical appliance.
Metal-Oxide lighting arrester is one kind of most world advanced overvoltage protector at present. Due to it score components of resistance applying Zno and other metal oxide to make of, comparing with traditional carborundum arrester...