Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
LCN SEM7820-825 AL Electromagnetic Door Holder - Electromagnetic Door Holders & Releases
LCNElectromagnetic Door Holders & Releases

LCN SEM7820-825 AL Electromagnetic Door Holder

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

Also listed as: SEM7820825AL · SEM7820 825 AL · SEM7820-825-AL

Brand
LCN
Item
SEM7820-825 AL Electromagnetic Door Holder
Part Number
SEM7820-825 AL
Category
Electromagnetic Door Holders & Releases
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Compliance & shipping

Hazardous material
Not classified as hazardous
California Prop 65 warning
No warning recorded
Licence required
No licence required
Safety Data Sheet
Not available
Special shipping
Ships under standard freight

Technical Specifications

LCN
Manufacturer Part Number
SEM7820-825 AL
Type
Aluminum
UNSPSC
31162804
Failure Mode
Fail Safe
Country of Origin
China (subject to change)

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

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 LCN
Manufacturing quality control — LCN Force Gauge (ADA/FG) for verifying spring tension in assembly lines
Packaging industry — LCN Force Gauge for testing seal strength or compression of packaging materials
Maintenance and repair — LCN Force Gauge for checking actuation force of mechanical switches or valves
Material testing — LCN Force Gauge for measuring force in simple tensile or compressive tests on small components
Educational labs — LCN Force Gauge for demonstrating basic force measurement principles in engineering courses
Not sure this is the right part? Photo-identify it

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

More from LCN

View all LCN parts

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first