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LCN Electromagnetic Door Holders

LCN SEM 7800 Magnet Holders

SEM 7820

Floor Mount Magnet / Tri Voltage
LCN SEM 7800 Magnet Holders

SEM 7830

Wall Mount Magnet / Tri Voltage
LCN SEM 7800 Magnet Holders

SEM 7840

Wall Mount Magnet / Tri Voltage
LCN SEM 7800 Magnet Holders

SEM 7850

Wall Mount Magnet / Tri Voltage


If you have a situation where fire doors need to be open at all times, while ensuring it closes appropriately in a fire situation. We supply commercial electromagnetic door holders, designed for just this situation.
The Sentronic® SEM 7800 Series are heavy duty, electrically controlled door holding magnets. Magnets are fail safe and hold until the current is interrupted. The SEM magnets are used alongside a manual door closer to control and close the door. A choice of floor, recessed wall, or surface mounted wall magnets is available. All SEM Series magnets are compliant with requirements for smoke barrier or labeled fire doors.
With a tri-voltage design and a holding force of up to 35lbs, the SEM Series magnets we supply are suitable for commercial applications. Before making a decision about the kind of door hardware which is most suitable for your fire and other safety procedures, consider our full range of safety closers, holders and other exit hardware.
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