
Lockwood 3540 Short Backset Sliding Door Lock 45 Degree Lever - Satin Chrome
The Lockwood 3540 Short Backset Sliding Door Lock with 45 Degree Lever is specifically designed for sliding aluminium door applications where space is limited and standard locksets are unsuitable. It provides secure deadlocking with a lever-operated internal function.
This configuration is commonly used in commercial glazing systems and sliding door installations, where the lock is mounted to the jamb and engages with a strike on the door. The 45 degree lever allows practical operation within confined spaces.
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Key Features
- Short backset mortice lock designed for sliding doors
- 45 degree lever for practical operation in confined spaces
- Positive action swing bolt deadlocking mechanism
- Suitable for narrow stile aluminium door systems
- Can be mounted to door jamb with strike on door face
- Durable construction for commercial applications
- Compatible with Lockwood 3540 series systems
Suitable Uses
- Sliding aluminium framed doors
- Commercial glazing systems
- Narrow stile door applications
- Retail and office environments
- Architectural sliding door installations
- Industrial and institutional buildings
Specifications
Item Code Family
Frequently Asked Questions
Why use a 45 degree lever?
It allows easier operation in tight spaces where full lever movement is restricted.
Is this suitable for sliding aluminium doors?
Yes, it is specifically designed for sliding door applications with aluminium frames.
Can this be used in commercial environments?
Yes, it is commonly specified in commercial and architectural applications.
Additional Information
- Widely used in Australian commercial sliding door systems.
- Short backset locks are essential for narrow aluminium profiles.
- Lever angle improves usability in restricted installations.
- Proper alignment between lock and strike is critical for performance.
Lockwood branded products purchased new in Australia from authorised resellers are covered against defects in materials and workmanship for:
- Mechanical components: 25 years
- Electrical and electronic components: 2 years (excluding batteries)
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Lockwood Warranty
Lockwood branded products are covered by manufacturer warranties issued by ASSA ABLOY Australia Pty Ltd. Warranty periods vary by product type, with separate cover for mechanical components, electrical and electronic parts, keys, and finishes.
The summary below sets out the standard warranty structure. All warranty claims are handled by Terry's Tradies Pty Ltd and its associated websites, trading names, and subsidiaries. Full terms and exclusions are set out in the official Lockwood warranty document linked at the base of this page.
Warranty 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.
- PVD and VIVID finishes: typically up to 10 years.
- Symmetry range finishes: typically up to 5 years.
- Decorative finishes (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 naturally age and change appearance over time. This is not considered a defect.
- Tea staining of stainless steel is not covered where the required cleaning and maintenance have not been followed.
How to Make a Claim
- Contact Terry's Tradies Pty Ltd and its associated websites, trading names, and subsidiaries with your proof of original purchase.
- Keep the product securely packed and clearly identified, ready for assessment.
- Where a claim is escalated to the manufacturer, ASSA ABLOY may issue a case number before goods are returned.
- ASSA ABLOY assesses the claim and determines repair, replacement with the same or closest equivalent product, or refund of the purchase price.
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.
These manufacturer warranties apply in addition to your rights under the Australian Consumer Law. Our goods come with guarantees that cannot be excluded under the ACL. You are entitled to a replacement or refund for a major failure and to compensation for any other reasonably foreseeable loss or damage. Where a failure does not amount to a major failure, you are entitled to have the goods repaired or replaced.