Lockwood 5782CTXNZSS — Mortice Lock 30 mm Backset to Suit Cortex Escutcheons NZ Satin Stainless
The Lockwood 5782CTXNZSS is a Selector® 5782 Series mortice lock with a 30 mm short backset designed to suit Cortex escutcheons NZ. Finished in Satin Stainless Steel (SS), it provides robust deadlatching performance for aluminium and narrow stile commercial doors, while integrating seamlessly with electronic access control hardware.


Key Features
- 30 mm short backset mortice lock for narrow stile and aluminium doors.
- Specifically designed to suit Cortex escutcheons NZ.
- Satin Stainless Steel finish ensures durability and architectural consistency.
- Secure deadlatching bolt with auxiliary latch for enhanced security.
- Compatible with Lockwood 570 oval cylinders and restricted/master key systems.
- Engineered for fire-rated compliance and high-traffic performance.
Fire Rated
- Successfully tested up to 4 hours on compliant fire door assemblies (AS 1905.1).
Specifications
- Item Code: 5782CTXNZSS
- Function: Mortice lock body for use with Cortex escutcheons NZ.
- Backset: 30 mm short backset.
- Finish: Satin Stainless Steel (SS).
- Door Thickness: 32–50 mm standard; extension kits available.
- Bolt: 15 mm stainless steel latch with auxiliary deadlatch.
- Case: Zinc alloy lock body with stainless steel chassis.
- Handing: Reversible without case disassembly.
- Compliance: AS4145.2 (Durability D8, Security S7); AS1905.1 (Fire Doors).
What's In The Box
- 1 × Lockwood 5782CTXNZSS mortice lock body (30 mm backset, Satin Stainless Steel)
- 1 × Satin Stainless Steel faceplate
- 1 × Satin Stainless Steel strike plate
- Fixing screws
- Installation instructions
Suitable Uses
- Aluminium and narrow stile doors requiring short backset locks.
- Electronic access control systems using Cortex escutcheons NZ.
- Fire-rated commercial door sets requiring compliant mortice hardware.
- High-traffic applications in offices, healthcare, schools, and retail.
Selector® 5782 Short Backset Escape Locks — Item Code Family (30 mm Backset)
Selector® 5782 — Accessories & Spares (Short Backset Platform, 30 mm Backset)
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Warranty
- Lockwood 25 Year Mechanical Warranty covers mechanical components and workmanship under normal use and correct installation.
- Electronic and electrical components are covered for 3 years (PADDE & electric mortice locks 5 years, batteries excluded).
- Keys are covered for 12 months.
- Finish warranty varies by finish type and exposure — e.g. Everbrass 25 years; Stainless/Chrome/Anodised 10 years; PVD/VIVID 10 years; Symmetry range 5 years; decorative finishes such as bronze, antique and powdercoat 2 years (natural brass ageing excluded).
- Warranty excludes misuse, improper installation, modification, or failure to maintain as specified.
Download PDF Resources
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Lockwood Selector 3700 Series Mortice Locks Catalogue |
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Lockwood Selector 3700 Series Mortice Locks Service Manual |
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Lockwood 25 Year Mechanical Warranty (Conditions Apply) |