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LCN SEM7850-516 Electromagnetic Door Holder, Wall-Mounted, Aluminum, Fail Safe - Electromagnetic Door Holders & Releases
LCNElectromagnetic Door Holders & Releases

LCN SEM7850-516 Electromagnetic Door Holder, Wall-Mounted, Aluminum, Fail Safe

The LCN SEM7850-516 is a wall-mounted, aluminum electromagnetic door holder with a fail-safe failure mode. 3G Electric interprets customer demand and delivers genuine industrial equipment across 14 departments, with…

SKU 3G-OTH-512616

Also listed as: SEM7850516 · SEM7850 516

Brand
LCN
Item
SEM7850-516 Electromagnetic Door Holder, Wall-Mounted, Aluminum, Fail Safe
Part Number
SEM7850-516
Category
Electromagnetic Door Holders & Releases
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

LCN
Manufacturer Part Number
SEM7850-516
Type
Aluminum
Failure Mode
Fail Safe

Technical Documents

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LCN Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The LCN SEM7850-516 is a wall-mounted, aluminum electromagnetic door holder with a fail-safe failure mode. 3G Electric interprets customer demand and delivers genuine industrial equipment across 14 departments, with specialist depth in combustion, pumps, and controls as an authorized distributor.

Frequently Asked Questions

What is the LCN SEM7850-516 electromagnetic door holder used for?

The LCN SEM7850-516 is a wall-mounted, aluminum electromagnetic door holder used to hold fire-rated doors open until power is interrupted. In fail-safe mode, it releases the door upon power loss, allowing automatic closure for fire safety in commercial and industrial buildings.

What are the specifications of the LCN SEM7850-516?

The LCN SEM7850-516 is an aluminum electromagnetic door holder with a fail-safe failure mode. It is wall-mounted and manufactured by LCN. The part number is SEM7850-516. It is designed for use in fire-rated door assemblies where automatic door release is required upon power loss.

Where to buy the LCN SEM7850-516 worldwide?

3G Electric supplies the LCN SEM7850-516 electromagnetic door holder to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time; we source genuine LCN equipment to meet your specifications.

How to install a wall-mounted electromagnetic door holder like the LCN SEM7850-516?

Install the LCN SEM7850-516 on a solid wall surface at the correct height to align with the door-mounted armature. Ensure power wiring meets local codes and that the fail-safe connection is properly configured. Test release upon power interruption. Consult the manufacturer's installation manual for torque and clearance specifications.

Used in

Common applications for LCN
Commercial office buildings — LCN 4010 Series top frame-mount door closers with regular arm and adjustable spring size 6 for interior doors.
Healthcare facilities — LCN SEM7810 series electromagnetic door holders for holding fire-rated corridor doors open and releasing on alarm.
Educational institutions — LCN 4810 Series track arm door closers for high-traffic exterior doors in aluminum finish.
Industrial plants — LCN SEM7820-825 AL floor-mounted electromagnetic door holders for fire doors in manufacturing areas.
Retail entrances — LCN 4010 Series bronze door closers with non-hold open and regular arm for ADA-compliant opening force.
Hospitality venues — LCN magnetic door holders SEM7850-828 AL for wall-mounted hold-open on smoke doors in lobbies.
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LCN Products

3G Electric supplies LCN electromagnetic door holders & releases. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Floor-mounted electromagnetic door holder constructed of aluminum. Fail-safe operation releases the door upon power loss, allowing automatic closure. Used to hold fire-rated doors open in commercial and industrial buildings
LCN
Floor-mounted electromagnetic door holder constructed of aluminum. Fail-safe operation releases the door upon power loss, allowing automatic closure. Used to hold fire-rated doors open in commercial and industrial buildings

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