LCN SEM7810-E400 689 4" Aluminum Magnet Extension

LCN SEM7810-E400 689 Magnet Extension 4" AL offers a robust solution for door holding applications with its heavy-duty design and fail-safe operation. This 4-inch aluminum extension is compatible with the Sentronic SEM7800 Series, known for their electrically controlled door holding capabilities. The magnets maintain a secure hold until the current is interrupted, making them ideal for various environments. Featuring a tri-voltage design that delivers an impressive 35 lbs. of holding force, the SEM7810-E400 is perfect for commercial installations. It is UL listed for smoke barrier or labeled fire doors, ensuring compliance with safety regulations. The product is shipped with a die-cast housing, cover, armature, and WMS screw pack, simplifying installation. The SEM series includes options for floor, recessed wall, or surface wall mounting, accommodating diverse architectural needs. Additionally, armature extensions are now available from LCN, enhancing versatility. This model is available in a matte silver finish, providing a modern aesthetic that complements any door design. With a Grade 1 rating and suitability for pocket door installations, the LCN SEM7810-E400 is a reliable choice for professionals seeking quality electromagnetic door holders tailored for commercial use.

Magnet Extension 4" AL

Extension, 4", 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