Lockwood 4570ELM0SC Electric Mortice Lock — 89mm Monitored, No Cylinder, Satin Chrome
The Lockwood 4570ELM0SC Electric Mortice Lock is a monitored electromechanical lock with an 89 mm backset, supplied without a cylinder. Designed and manufactured in Australia from zinc alloy with a stainless steel latch bolt and faceplate, it delivers superior durability for commercial and institutional applications. It integrates with access control systems, push buttons, intercoms, and key switches for secure operation.
Warranty
Key Features
- Electromechanical mortice lock — 89 mm backset
- Supplied without cylinder
- High-grade zinc alloy body, stainless steel latch bolt and faceplate
- Supports access control integration, push buttons, intercoms, and key switches
- Monitoring functions: Deadlatch & locked status, door position reed switch, dual key override, request-to-exit (REX), LED indication
- Field configurable: Fail safe / fail secure, 12–24 VDC multi-voltage, left/right handing, free or locked lever selection
- Monitoring contacts: normally closed / normally open
- Finish: Satin Chrome (SC)
Fire Rating & Testing
- Fire rated up to 4 hours on fire door assemblies in accordance with AS1905.1:2005
- S3 (Security) and D3 (Durability) to AS4145.2:1993
- C-Tick certified
- 4570 Series: SCEC endorsed for intruder resistant areas
- 4579 Series: SCEC endorsed for secure areas
Specifications
- Item Code: 4570ELM0SC
- Series: 4570 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)
- Standards Compliance: AS1905.1:2005, AS4145.2:1993
What's In The Box
- Lockwood 4570ELM0SC electric mortice lock body
- Stainless steel faceplate
- Fixing screws
- Installation instructions
Suitable Uses
- Commercial and institutional facilities
- Industrial buildings and offices
- Integration with access control systems
- High-security environments (SCEC endorsed)
- Fire-rated door assemblies
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 4570ELM0SC is a monitored mortice lock designed for high-security commercial and institutional applications. Offering full monitoring features, fire certification, and SCEC endorsement, it provides a reliable and long-term solution for integration with access control systems and fire-rated door assemblies.
Ordering Information — Monitored vs Non-Monitored
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.
