4000 Series - Door Closers
LCN Fire Door Closers | 4000 Series - Door Closers | Super Smoothee
LCN 4000 series door closers are remarkably durable, high-quality fire door closers designed for commercial use. LCN Closers is part of the trusted Allegion family of door hardware manufacturers. These heavy-duty door closers deliver excellent performance and meet vital standards. When installing fire door closers on very busy doors or those prone to abuse, the LCN 4000 series provides a well-engineered solution that requires no maintenance.
Ideal for all heavy-duty installations, LCN door closers in this range are especially suitable for environments where protection from misuse is a priority. By selecting an LCN 4000 series door closer, you can ensure durable performance and peace of mind, supported by a 30-year warranty (Mechanical). If you need a reliable door closer for fire doors, consider the LCN 4000 series.
LCN 4040XP Series Door Closers - Data Sheet
Door Closer Adjustment - How to adjust a door closer (Click the Link for LCN Door Closer Adjustment)
5 Products
LCN 4040XP.US28 | Door Closer (4040)
LCN 4040XPT.US28 | Track Arm Door Closer (4040)
Relcross PS02 | 24Vdc 1.0 Amp Power Supply (PSU)
RGL 2402/4TRS | 24Vdc 2.0 Amp Power Supply (PSU)
Frequently Asked Questions | FAQs
LCN CLOSERS 4000 SERIES DOOR CLOSERS
Frequently Asked Questions
Which LCN door closers will help me meet my responsibilities under the Equality Act? (BS8300) The LCN 4040XP in application 66 (power size 3) may meet the desired opening force requirement. To be 100% certain of compliance, you should consider the Briton cam action closers shown on this site. Are all LCN door closers on this website fire-rated? Yes. UK Fire Certification in accordance with BS EN 1634-1:2014 (timber) - 120 mins & BS EN 1634-1:2014 (steel) - 60 mins | WFRC No. 142058 Can I use the LCN 4040XPT track arm door closer and still fulfil my responsibilities under the Equality Act? No. You should consider the Briton cam action closers shown on this site. What bracket is required when installing the LCN 4040XP application 66 parallel arm? LCN 4040XP.62PA, the bracket should be included in the box I can't get any latch action adjustment on my LCN 4040XP series door closer. What's causing this? Check the pre-load on the arm. Refer to the instruction sheets downloadable here:Catalogues & Data Sheets. Can I use LCN Closers 4040SE series door closers and still fulfil my responsibilities under the Equality Act? No. The 4040SE electromagnetic hold-open door closer does not include a free swing function. You need to use the Briton 3934 or 996 series door closers; both offer a free-swing option. Is the LCN Closers 4040SE hold open closer fire-rated? Yes. UK Fire Certification in accordance with BS EN 1634-1:2014 (timber) - 120 mins & BS EN 1634-1:2014 (steel) - 60 mins | WFRC No. 142058 I can't get any latch action adjustment on my LCN 4040SE door closer. What's causing this? This indicates that the arm has not been pre-tensioned during installation. Refer to the instruction sheets available from our website, here: Catalogues & Data Sheets. Do I need to fit a door stop with my LCN door closer? Yes, in every case, unless you use a door limiting stay or a door closer with a built-in stop on the arm assembly, such as the LCN 4040XP.CUSH.US28 | Door Closer (4040) What is the maximum door width recommended for the LCN 4040SE door closer? The LCN 4040SE is designed for internal doors 711mm - 1220mm. What is the current draw of an LCN 4040SE electromagnetic HO closer? The track solenoid holds at 24 Volt DC or 24 Volts AC, +10%, -15% @ .090 Amp Max. Is the hold-open force on my 4040SE adjustable? Yes. Via an Allen key adjustment in the underside of the track. What are the hold-open points available from my 4040SE door closer? The door closer arm length dictates the hold-open angle and can be set anywhere between 85° and 110°. The maximum opening angle is 110°.





