Contractor Bundle LCN SEM7840 Low Profile Recessed Wall Mount Controlled Door Holding Magnet Multi-Pack Qty 3

Description

The Sentronic® SEM 7800 Series are heavy duty, electrically controlled door holding magnets. Magnets are fail safe and hold until the current is interrupted. A manual door closer is used to control and close the door. All SEM series magnets are UL listed for smoke barrier or labeled fire doors. Tested and certified under ANSI Standard A156.15.