
Lockwood 5541 Short Backset Mortice Deadlock Escape Turn Latch Strike Assembly No Cylinder - Satin Chrome
The Lockwood 5541 Short Backset Mortice Deadlock Escape Turn Latch Strike Assembly No Cylinder is a short backset swing-bolt mortice deadlock designed for narrow stile sliding and swing doors.
This configuration features an internal escape turn with latch strike assembly and no cylinder, making it suitable for applications requiring internal control without external keyed access.
It forms part of the Lockwood Synergy mortice lock range, widely used in commercial installations for its durability and consistent performance.
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Key Features
- Short backset swing-bolt mortice deadlock
- Escape turn operation for internal control
- Latch strike assembly for secure engagement
- No cylinder configuration for internal-only operation
- Suitable for narrow stile sliding and swing doors
Suitable Uses
- Narrow stile sliding doors
- Narrow stile swing doors
- Internal secure door applications
- Commercial installations requiring escape turn functionality
Specifications
| Brand | Lockwood |
| Product Type | Short backset mortice deadlock |
| Series | 5541 |
| Cylinder | No cylinder |
| Function | Escape turn with latch strike assembly |
| Bolt Operation | Key, turnknob, escape turn or handle |
| Standards | Tested to Australian Standard |
| Finish | Satin Chrome |
Frequently Asked Questions
Does this lock include a cylinder?
No, this model is supplied without a cylinder.
What is the purpose of the escape turn?
The escape turn allows internal operation without a key for safe and convenient egress.
Is this suitable for narrow stile doors?
Yes, it is designed specifically for narrow stile sliding and swing doors.
Additional Information
- Part of the Lockwood Synergy Mortice Locks range.
- Short backset design allows installation in restricted door profiles.
- Commonly used where internal control is required without external keyed access.
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.pdf

Lockwood Synergy Mortice Locks Catalogue.pdf
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.