Rutherford Controls MiniMags locks are extremely popular for interior traffic control. These electromagnetic locks install perfectly alongside most automatic door operators or stop-mounted door hardware, reducing installation time and eliminate the need for extra brackets. The MiniMags design of 1-7/8-inches width helps keep undersized openings within code. This is the ideal magnet for use on narrow-style aluminum doors. Ceramic magnet-reed type sensor for remote indication of door status (opened or closed, independent of local power); magnet embedded in armature for tamper resistance; reed switch inside electronic housing cavity for easy access. Applications : interior - single outswinging doors, single inswinging doors (use with tj (z) bracket. Power/current requirements : max 0.52A and max 0.26A at 12/24 VDC. Wiring requirements: 2 wires - power input up to 5 wires output. Operating Temperature 14 degree to 140 degree F (-10 degree to 60 degree C). Hardened steel armature nut fitted. Adjustable keyhole mounting lock. Convenient plug-in wiring terminals. Easy access wiring cavity. Encapsulated 4-bolt "drop-stop" mounting. cULus Listed, MEA, CSFM certified. 750 Pounds holding force. Lifetime warranty. Measures 9-3/8-inches length by 1-7/8-inches width by 1-inches depth.