Lockwood 3541 Short Backset Sliding Door Lock - No Cylinders - With Fabricator Strike - Satin Chrome
The Lockwood 3541RRSCNCYLLS is a short backset swing-bolt deadlock for narrow stile sliding and swing doors, supplied with a fabricator mounting latching strike and without cylinders. The 3541 Series features a hooked deadbolt that positively engages and locks into the strike when thrown - a key distinction from the standard 3540 - providing additional resistance to bolt disengagement on sliding door applications.
The double cylinder configuration requires a compatible cylinder to be fitted on both sides before the lock is operational. Cylinders are not included, allowing the installer to select the appropriate key profile and keying option for the project.
Estimated Warehouse Dispatch
Usually ships in 12 business days
Usually ships in 12 business days
Non-Returnable Item
This product is a security lock component and is not returnable. Please confirm suitability for the door type and cylinder requirements before ordering.
This product is a security lock component and is not returnable. Please confirm suitability for the door type and cylinder requirements before ordering.
Key Features
- 3541 Series short backset swing-bolt deadlock for narrow stile sliding and swing doors.
- Hooked deadbolt positively engages and locks into the strike when thrown - unique to the 3541 Series.
- Double cylinder configuration - deadbolt operated by key from both sides (cylinders not included).
- Supplied with fabricator mounting latching strike for aluminium frame installation.
- No cylinders included, allowing selection of the appropriate key profile and keying system.
- Compatible with key, turnknob, escape turn or handle operation once cylinders are fitted.
- Satin Chrome finish.
- Suitable for heavy duty commercial and institutional door applications.
What's in the Box
- 1 x Lockwood 3541 short backset mortice deadlock body (double cylinder, no cylinders fitted)
- 1 x Fabricator mounting latching strike
Suitable Uses
- Narrow stile aluminium sliding doors in commercial and institutional applications.
- Narrow stile swing doors where a short backset mortice deadlock is required.
- Projects where the cylinder is to be selected separately for keying system compatibility.
- Commercial buildings, institutions, clubs, schools, hospitals, hotels and retail premises.
- Fabricator-installed door systems requiring a mortice deadlock with integrated strike.
Full Specifications
Frequently Asked Questions
- What is the difference between the 3540 and 3541 Series?
The 3541 features a hooked deadbolt that positively engages and locks into the strike when thrown. This differs from the standard 3540 deadbolt, which does not hook. The hooked bolt provides additional resistance to disengagement, which is particularly relevant on sliding door applications where lateral force on the door could otherwise work the bolt out of the strike. - Does this lock include cylinders?
No. The 3541RRSCNCYLLS is supplied without cylinders. The "RR" configuration means both sides of the lock accept a cylinder (double cylinder). Cylinders must be selected and ordered separately to suit the project keying system. - Does this include a strike?
Yes. This model is supplied with a fabricator mounting latching strike (indicated by the "LS" suffix in the item code). The strike is designed for installation into aluminium door frames in fabricated door systems. - Is this suitable for swing doors as well as sliding doors?
Yes. The ASSA ABLOY product description confirms this lock is suitable for both narrow stile sliding and swing doors. The 3541 hooked bolt configuration suits applications where the bolt engages into a strike on the door frame or jamb. - Can this lock be integrated into a master key system?
Yes. Because cylinders are not included, the correct cylinders for your master key or restricted key system can be selected at the time of installation. Confirm cylinder compatibility with your locksmith or key system supplier.
Additional Information
- The 3541 hooked bolt is a critical specification point when comparing with the 3540. On sliding door installations, the hooked bolt prevents the bolt from being worked out of the strike by lateral movement of the door panel. Confirm with the specifier whether the 3541 or 3540 is required before ordering.
- The "no cylinder" configuration is commonly specified when the project uses a restricted or master key system and cylinders are to be supplied through the keying system provider. The lock body and cylinders are ordered separately to keep the keying system under the control of the locksmith or security consultant.
- The fabricator mounting strike included with this model is designed for integration into aluminium framed door systems during fabrication. It may not be suitable for retrofit into existing frames without modification.
- Installation should be carried out by a qualified locksmith or door hardware installer familiar with Lockwood 3540 Series mortice locks.
Lockwood Warranty (Australia)
Lockwood branded products purchased new in Australia from authorised resellers are covered against defects in materials and workmanship for:
Lockwood branded products purchased new in Australia from authorised resellers are covered against defects in materials and workmanship for:
- Mechanical components: 25 years
Cosmetic finishes, normal wear and tear, misuse, unauthorised modification, corrosion and labour or freight costs are excluded.
This warranty operates in addition to rights available under the Australian Consumer Law.
Download PDF Resources
Lockwood Synergy Mortice Locks Catalogue
Lockwood Synergy Mortice Locks Catalogue
Download PDF Resources
Lockwood Synergy Mortice Locks Catalogue
Lockwood Synergy Mortice Locks Catalogue
Lockwood Warranty Overview
Lockwood branded products are covered by manufacturer warranties issued by ASSA ABLOY Australia Pty Ltd. Warranty periods vary depending on product type, mechanical components, electrical elements, and finish category.
This overview summarises the structure of Lockwood warranty coverage. Full terms, exclusions and claim procedures are set out in the official Lockwood Warranty document.
Warranty Periods Summary
Finish Coverage Guide
- Everbrass finishes: up to 25 years against corrosion, tarnishing and discolouration.
- Stainless steel, polished stainless steel, chrome plating and anodised finishes: typically up to 10 years.
- Decorative finishes including Antique Copper, Architectural Bronze, Oil Rubbed Bronze, Aged Brass, Polished Brass, Satin Brass and related variants: typically up to 2 years against corrosion.
- Unlacquered brass finishes will naturally age and change appearance over time. This is not considered a defect.
- Tea staining of stainless steel is not covered where cleaning and maintenance have not been followed.
What the Warranty Covers
- Defects in material and workmanship during the applicable warranty period.
- Assessment by ASSA ABLOY to determine repair, replacement with the same or closest equivalent product, or refund of purchase price.
Common Exclusions
- Normal wear and tear.
- Misuse, abuse, accidental damage or use outside published specifications.
- Improper maintenance or failure to follow care instructions.
- Unauthorised modification, repair or use of non-genuine parts.
- Exposure to corrosive environments including coastal air, salt spray, chemicals or pollution.
- Removal, refitment or associated labour charges.
- Products not originally sold in Australia through authorised channels.
Warranty Claim Process
- Retain proof of original purchase.
- Return the product through the original place of purchase where applicable.
- If claiming directly, obtain a case number before returning goods.
- Products must be securely packed and clearly identified.
- Warranty assessment determines repair, replacement or refund.
Australian Consumer Law
Lockwood warranties operate in addition to rights available under the Australian Consumer Law. Goods come with guarantees that cannot be excluded. Customers may be entitled to a replacement or refund for a major failure and compensation for reasonably foreseeable loss or damage.
Where a product fails to meet acceptable quality standards and the failure does not amount to a major failure, the customer is entitled to repair or replacement.
