Lockwood 3540 Short Backset Mortice Deadlock Cylinder Mounted Escape - Satin Chrome
The Lockwood 3540 Short Backset Mortice Deadlock Cylinder Mounted Escape is designed for narrow stile door applications where both security and safe internal egress are required. It combines external key operation with an internal escape turn for quick exit.
This configuration is commonly used in commercial aluminium doors and architectural glazing systems, where space limitations require a short backset lock and compliance requires internal escape functionality.
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Non-Returnable Item: This product is a special order and is not returnable.
Key Features
- Short backset mortice deadlock for narrow stile doors
- Cylinder external operation with internal escape turn
- Positive action swing bolt for secure locking
- Allows rapid internal exit without a key
- Suitable for aluminium hinged and sliding doors
- 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
- Doors requiring safe internal escape function
- Retail, office and institutional buildings
- Architectural glazing systems
Specifications
Item Code Family
Frequently Asked Questions
What is a cylinder mounted escape turn?
It allows the door to be unlocked from the inside without a key using a turn mechanism.
Is this suitable for emergency exit situations?
It can assist with egress, but compliance depends on building regulations and application.
Can this be used on narrow aluminium doors?
Yes, the short backset design is specifically intended for narrow stile door applications.
Additional Information
- Commonly specified in Australian commercial aluminium door systems requiring internal escape capability.
- Short backset locks are essential for narrow stile profiles where standard locks will not fit.
- Escape turn configurations are often used where internal safety and convenience are required.
- Incorrect installation or poor strike alignment can affect locking reliability.
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 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.
