Use the SCHLAGE® electromagnetic lock to monitor a controlled area such as a hospital laboratory or a secure area in an airport. Also provides traffic control for doors in a commercial or education building. Bayonet mount makes installation simpler by not requiring the magnet to be held overhead while installing mounting screws. Automatic voltage selection recognizes the voltage applied to the lock. Magnetic bond sensor monitors the strength of the bond between the lock and armature. Door position switch lets you know whether door is open or closed. Relock time delay features a relock delay that is adjustable from 0.5 to 30 seconds. Allows for right-hand or left-hand configuration in the field. 1500-lb. holding force.