LCN Electromagnetic Door Holder: Floor - Mounted
3G Electric supplies the LCN SEM7820-825 AL Electromagnetic Door Holder, a floor-mounted, aluminum unit with a Fail Safe failure mode. We interpret customer demand and deliver genuine industrial equipment across 14…
SKU 3G-OTH-512602
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Product Description
3G Electric supplies the LCN SEM7820-825 AL Electromagnetic Door Holder, a floor-mounted, aluminum unit with a Fail Safe failure mode. We interpret customer demand and deliver genuine industrial equipment across 14 departments—and far more—with specialist depth in combustion, pumps, and controls as a trust anchor.
Frequently Asked Questions
What is the LCN SEM7820-825 AL electromagnetic door holder used for?
The LCN SEM7820-825 AL is a floor-mounted 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 SEM7820-825 AL?
The LCN SEM7820-825 AL is an aluminum electromagnetic door holder with a fail-safe failure mode. It is floor-mounted and manufactured by LCN. The part number is SEM7820-825 AL. 3G Electric supplies this genuine LCN unit for industrial door control applications.
Where to buy the LCN SEM7820-825 AL worldwide?
3G Electric supplies the LCN SEM7820-825 AL electromagnetic door holder worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we source genuine LCN equipment and support your procurement needs across all regions.
How to install a floor-mounted electromagnetic door holder?
Install the LCN SEM7820-825 AL by securing the floor plate with appropriate anchors, aligning the armature on the door, and connecting power to the electromagnet. Ensure the fail-safe wiring releases the door on power loss. Follow LCN's generic installation guide for proper clearance and voltage.
Used in
Common applications for LCNLCN 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.









