7830 is suitable for use in surface wall mounting. 7840 is suitable for use in pocket door installations. Die cast housing, low profile recessed wall mount. Warranty. 1 year electronic and 10 year mechanical …

Unscrew the cover from the magnet bracket assembly. Unscrew the magnet bracket assembly from the surface mount box. Keep the screws for later reattachment. See Fig. 1. Measure dimensions A and …

All SEM series magnets are UL listed for smoke barrier or labeled fire doors. Tested and certified under ANSI Standard A156.15. The LCN Sentronic® 7800 Series magnet releases when the fire alarm …

Tri-voltage design with 35lbs. of holding force. SEM 7830 magnets are shipped with die cast housing, cover, armature and WMS screw pack. Suitable for use in pocket door installations. UL listed for …

Buy LCN SEM7830 Surface Wall Mount Magnetic Door Holder w/ 35 lbs. holding force, available at National Lock Supply.

Magnets are fail safe and hold until the current is interrupted. A manual door closer is used to control and close the door. A choice of floor, recessed wall, or surface mounted wall magnets are available. …

Magnets are fail safe and hold until the current is interrupted. A manual door closer is used to control and close the door. Typical Applications include, schools, hospitals, hotels, movie theaters, offices, …

LCN Sentronic SEM 7800 Series are magnetic, electrically controlled door holders. With 35 pounds of holding force, the magnet is fail safe. LCN SEM 7830 is a surface wall mounted magnetic door …

The SEM7830 LCN Electro Magnetic Door Holder features a die cast metal housing that is surface wall mounted. Tri-voltage design works with 12, 24 or 120 volts, with 35 lbs. of holding force.

Jul 20, 2010 · Product Summary: LCN SEM7830 SEM 7830 689 Aluminum Wall Mount Magnet, 12V/24V/120V AC/DC