31ASTA460MM6 is an electromagnetic release for a type B locking device manufactured by Lovato. It is suitable for controlling doors, gates, shutters, and barriers, and can be used in applications ranging from automotive to access control. The release features a holding force of 460 N, with a die-cast aluminum enclosure, and a built-in thermal current overload protection. It also features an adjustable delay for an automatic reset, as well as adjustable range timers for door closure. It is a special product that is certified as fireproof.