The LCN SEM7800 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. A choice of floor, recessed wall or surface-mounted wall magnets are available.
All SEM Series magnets are UL listed for smoke barrier or labelled fire doors. Tested and certified under ANSI Standard A156.15.
7830 is suitable for use in surface wall mounting.
7820 is suitable for use in floor-mounted installations.
SEM 7820 Specifications
Door typeTimber or metal
Door sizeExternal door 610mm - 1219mm, internal door 610mm - 1524mm
Strength15.9kg holding force
Body materialDie cast housing
Input voltageTri voltage design 12V DC, 24V DC or 24V AC