Lockwood 4579ELM0SC Electric Mortice Lock — 89mm Monitored, No Cylinder, Satin Chrome
The Lockwood 4579ELM0SC is a monitored electric mortice lock with a 89 mm backset, supplied without cylinders. Designed and manufactured in Australia, this high-security mortice lock is suitable for heavy-duty commercial and institutional applications such as schools, hospitals, hotels, clubs, and industrial buildings. Constructed from high-grade materials with stainless steel encapsulation, it can be operated by push buttons, intercoms, key switches, or integrated with access control systems including card readers and keypads.
Warranty
Key Features
- Electromechanical mortice lock — 89 mm backset
- Monitored version, supplied without cylinders
- Encapsulated zinc alloy body with stainless steel plates
- Stainless steel latch bolt and faceplate
- Compatible with push buttons, intercoms, key switches, and electronic access control
- Deadlatch function
- Compatible with Lockwood rose and plate furniture including Brass, Daintree, Aquileart, Artefact Series II, and Ovation Series
- Field configurable: Fail safe / fail secure, 12–24 VDC multi-voltage, left/right handing, free or locked lever selection
- Finish: Satin Chrome (SC)
Fire Rating & Testing
- Successfully fire rated up to 4 hours on fire door assemblies in accordance with AS1905.1:2005
- Meets Australian Lock Standard AS4145.2 for security and durability
- RCM Certified
- SCEC endorsed for SL3 Medium Threat Areas
Specifications
- Item Code: 4579ELM0SC
- Series: 4579 Electromechanical Mortice Lock
- Function: ELM0 — Monitored, no cylinder
- Backset: 89 mm
- Door Thickness Range: 32–50 mm
- Bolt Material: Stainless steel
- Bolt/Latch Projection: 15 mm
- Finish: Satin Chrome (SC)
What's In The Box
- Lockwood 4579ELM0SC electric mortice lock body
- Stainless steel faceplate
- 1.6m cable with 12-pin socket
- Fixing screws
- Installation instructions
Suitable Uses
- Heavy-duty commercial and institutional facilities
- Industrial buildings and offices
- Schools, hospitals, and hotels
- Integration with electronic access control systems
- Fire-rated door assemblies
- SCEC SL3 secure area installations
Dispatch & Returns
- Estimated Warehouse Dispatch: 11 business days
Non-Returnable Item
Download PDF Resources
|
Lockwood Electric Mortice Locks Catalogue |
|
Lockwood 25 Year Mechanical Warranty (Conditions Apply) |
Item Code Family
Additional Information
The Lockwood 4579ELM0SC is the monitored 89 mm backset variant of the 3579/4579/5579 series. It features stainless steel encapsulation, monitored security functions, and compatibility with a wide range of Lockwood furniture. Tested to Australian Standards for security, durability, and fire resistance, and SCEC SL3 endorsed, it is a proven solution for heavy-duty commercial and institutional access control installations.
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.
