Electromagnetic Lock, Opening Action Electromagnetic, Aluminum, Amp Draw @ 12V .65A, Amp Draw @ 24V .35A, Input Voltage 12/24V DC, Features Connects to Most Access Control Systems, Fail Safe Operation, Total Projection (In.) 4 in, Holding Force (Lb.) 1,500, Armature Length (In.) 8 in, Armature Width (In.) 2 in, Armature Depth (In.) 1 in, Lock Body Length (In.) 12 1/2 in, Lock Body Width (In.) 2 in, Lock Body Depth (In.) 3 in, Mfr. Series M400, Aluminum Finish Use the SCHLAGE(R) 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. All.