LCN SEM7840 689 Electromagnetic Door Hold AL

LCN SEM7840 689 Electromagnetic Door Hold AL is a robust solution designed for reliable door control in commercial settings. This low-profile recessed wall-mounted magnetic door holder features a tri-voltage design that accommodates 12V, 24V, and 120V systems, ensuring versatility for various applications. With a powerful 35 lbs. of holding force, it guarantees secure door positioning until the current is interrupted, providing peace of mind in high-traffic areas. Engineered for safety, the SEM7840 is UL listed for use with smoke barrier or labeled fire doors, making it a critical component for fire and life safety compliance. The installation process is straightforward, as it comes complete with die-cast housing, cover, armature, and WMS screw pack. It’s also suitable for pocket door installations, offering flexibility in design and function. Available in a sleek Aluminum or Dark Bronze finish, the SEM7840 not only performs well but also enhances the aesthetic of any commercial space. With a 2-year limited warranty and constructed to Grade 1 standards, this electromagnetic door holder is a dependable choice for professionals seeking efficiency and reliability in door hardware.

Electromagnetic Door Hold AL

Magnetic Door Holder, Recessed Wall Mount, Low Profile Armature, 12V 24V 120V Tri Voltage, Aluminum Painted Finish

The Sentronic 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 doors. A choice of floor, recessed wall or surface wall mounted magnets are available.

All SEM series magnets are UL listed for smoke barrier or labeled fire doors.

Tested and certified under ANSI Standard A156.15. 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.

SEM 7820 Magnet Features

• Tri-voltage design with 35lbs. of holding force
• Floor-mounted
• Now available armature extensions from LCN
• SEM 7820 magnets are shipped with die cast housing, cover, armature(s) and WMS screw pack
• UL listed for smoke barrier or labeled fire doors
• SEM 7820 available in Aluminum and Dark Bronze finishes

SEM 7830 Magnet Features

• Tri-voltage design with 35lbs. of holding force
• Surface wall-mounted
• Now available armature extensions from LCN
• 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 smoke barrier or labeled fire doors
• SEM 7830 available in Aluminum and Dark Bronze finishes

SEM 7840 Magnet Features

• Tri-voltage design with 35lbs. of holding force
• Low profile recessed wall-mounted
• Now available armature extensions from LCN
• SEM 7840 magnets are shipped with die cast housing, cover, armature and WMS screw pack
• Suitable for use in pocket door installations
• UL listed for smoke barrier or labeled fire doors
• SEM 7840 available in Aluminum and Dark Bronze finishes

SEM 7850 Magnet Features

• Tri-voltage design with 35lbs. of holding force
• Standard profile recessed wall-mounted
• Now available armature extensions from LCN
• SEM 7850 magnets are shipped with die cast housing, cover, armature and WMS screw pack
• Suitable for use in pocket door installations
• UL listed for smoke barrier or labeled fire doors
• SEM 7850 available in Aluminum and Dark Bronze finishes

Resources

• LCN Closers & Auto Operators Installation Guide
• LCN SEM7810 Extension Installation Guide
• LCN SEM7820 Extension Installation Guide
• LCN SEM7830 Extension Installation Guide
• LCN SEM7840/7850 Installation Guide
• LCN SEM7870 Installation Guide
• SEM Series Fire/Life Safety Closers/Holders Cut Sheet