Lockwood 3540 Short Backset Mortice Deadlock Cylinder & Lever - Satin Chrome
The Lockwood 3540 Short Backset Mortice Deadlock Cylinder and Lever is designed for narrow stile door applications where standard mortice locks cannot be accommodated. It combines key cylinder operation with internal lever functionality for controlled access and egress.
This configuration is commonly used in commercial aluminium doors and architectural glazing systems, offering reliable deadlocking performance with convenient internal operation. The short backset design allows installation in slim door profiles without compromising strength.
Key Features
- Short backset mortice deadlock for narrow stile doors
- Cylinder and internal lever configuration
- Positive action swing bolt for secure locking
- Suitable for aluminium hinged and sliding doors
- Provides convenient internal operation via lever
- Designed for commercial and architectural applications
- Durable construction for high use environments
Suitable Uses
- Aluminium framed commercial doors
- Narrow stile hinged doors
- Sliding door locking systems
- Retail, office and institutional buildings
- Doors requiring internal lever operation
- Architectural glazing systems
Specifications
Item Code Family
Frequently Asked Questions
What is the benefit of a cylinder and lever configuration?
It allows key access from one side and convenient lever operation from the other side for easier exit.
Is this suitable for narrow aluminium doors?
Yes, the short backset design is specifically intended for narrow stile door applications.
Does this include the cylinder and lever hardware?
Configuration may vary depending on supply. Confirm inclusions before installation.
Additional Information
- Commonly used in Australian commercial aluminium door systems and shopfront installations.
- Short backset locks are essential for slim door profiles where standard locks cannot be fitted.
- Cylinder and lever configuration improves usability for internal exit.
- Incorrect strike alignment or installation can affect lock performance and longevity.
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)
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.
