Lockwood 3782TSS — Universal Primary Lock 23 mm Backset with Locking Adaptor Satin Stainless
The Lockwood 3782TSS is a Selector® 3780 Series short backset mortice lock with a 23 mm backset, supplied with a locking adaptor. Finished in Satin Stainless Steel (SS), this lock is designed for narrow stile aluminium doors and applications where space is limited. Built for commercial durability, the 3782TSS provides versatile function configuration, secure deadlatching, and compatibility with Lockwood furniture and cylinder systems.
Estimated Warehouse Dispatch: 2 Days
Key Features
- 23 mm short backset mortice lock for narrow stile aluminium doors.
- Supplied with locking adaptor for flexible function configuration.
- Satin Stainless Steel faceplate with radius ends.
- Constructed from high-strength materials for commercial durability.
- Compatible with Lockwood 570 oval cylinders and restricted/master key systems.
- Retrofits to other Selector® mortice lock case sizes for project consistency.
Fire Rated
- Tested up to 4 hours on compliant fire door assemblies (AS 1905.1:2005).
Specifications
- Item Code: 3782TSS
- Function: Universal primary mortice lock with locking adaptor.
- Backset: 23 mm (short backset).
- Door Thickness: 32–50 mm standard; kits available for thicker doors.
- Bolt: Stainless steel latchbolt with auxiliary deadlatching.
- Case: Zinc alloy body with stainless steel chassis.
- Finish: Satin Stainless Steel (SS).
- Handing: Reversible without case disassembly.
- Compliance: AS4145.2 (Durability D8, Security S7), AS1905.1 (Fire Doors).
What's In The Box
- 1 × Lockwood 3782TSS mortice lock body (23 mm backset)
- 1 × Satin Stainless Steel faceplate
- 1 × Satin Stainless Steel strike plate
- Locking adaptor
- Fixing screws
- Installation instructions
Suitable Uses
- Narrow stile aluminium commercial doors.
- Projects with space-limited door frames requiring short backset locks.
- Institutional and public buildings requiring fire-rated and secure mortice locks.
Selector® 3782 Short Backset Escape Locks — Item Code Family (Mechanical Variants)
| Item Code |
Backset |
Function |
Description (Inside = always free egress) |
| 3782 / 4782 / 5782 / 6782 |
23 / 25.4 / 30 / 38 mm |
Escape Lock (Primary) |
Base mortice escape lock body. Outside handle rigid; inside handle always operates latch. |
| 3782-- |
23–38 mm |
Escape Lock |
Outside handle rigid (unlocked only when configured); inside handle always free. |
| 3782V |
23–38 mm |
Anti-vandal Escape |
Key outside locks/unlocks outside handle; bolt retracts after unlocking; inside always free. |
| 3782VT |
23–38 mm |
Anti-vandal + Turn |
Cylinder outside; turn inside locks/unlocks outside handle; inside always free. |
| 3782X |
23–38 mm |
Key Entry Escape |
Outside opened by key at all times (handle rigid); inside always free. |
| 3782XT |
23–38 mm |
Key Entry + Turn |
Outside by key (handle rigid when locked); inside free; turn inside locks/unlocks outside handle. |
| 3782-V |
23–38 mm |
Escape + Internal Cylinder |
Key inside locks/unlocks outside handle; inside always free. |
| 3782-T |
23–38 mm |
Escape + Turn |
Turn inside locks/unlocks outside handle; inside always free. |
| 3782XV |
23–38 mm |
Key Entry + Internal Cylinder |
Double cylinder; outside by key at all times; inside always free. Key inside can also control outside handle. |
| 3782-TA |
23–38 mm |
Anti-lockout + Turn |
Anti-lockout selection; turn inside locks/unlocks outside handle; inside always free. |
| 3782VTA |
23–38 mm |
Anti-lockout Anti-vandal + Turn |
Anti-lockout; cylinder outside locks/unlocks; turn inside; inside always free. |
Selector® 3782 Short Backset Escape Locks — Accessories & Spare Parts
| Item Code |
Category |
Description / Notes |
| 3782-FINKITCP / PB / PC |
Finish Kit |
Alternative finish kit (strike + faceplate + faceplate screws). Not suitable for 25.4 mm backset 4782. |
| 3782-TFKITSS / CP / PB |
Timber Fix Kit |
Converts 3780 short-backset lock for timber doors. Not suitable with 25.4 mm backset 4782. |
| 3782-2100SS |
Electric Strike Plate |
Faceplate to suit ES2100 monitored strike (door position monitoring compatible). |
| 3782TF-2100SS |
Electric Strike Plate |
ES2100 faceplate when used with Timber Fix kit. Can be used directly with a 3782SS primary lock. |
| 3782-STK32XX / 3782-STK74XX* |
Strike (Lip) |
Standard (32 mm) and long lip (74 mm) strikes. *STK74 only supplied in SS finish. |
| 3782-FSTK32SS / 3782-FSTK64SS |
Fabricator Strike |
Surface-mounted “fabricator” D-shaped strikes (32 mm / 64 mm lip). |
| 3782-RFSTKCP / 3782-RFSTKSC |
Retrofit Strike Kit |
Retrofit kits for legacy installations (e.g., 5900/595/Astra replacement). |
| 5782-RK##SS / CP / PB |
Rebate Kit |
Rebate kits for rebated timber doors (minimum backset of 30 mm). Handing: CW / ACW. |
| 3782-SECKIT |
Security Screws |
Faceplate screw kit with tamper-resistant TR20 Torx heads (5 pcs). |
| SP3700/X7CAM |
Cam |
X7 latching cam (retracts latch; part of key/turn functions). |
| SP3700/VCAM |
Cam |
V cam (locks/unlocks locking bar; retracts latch after unlocking). |
| 3770M1-ADAPTOR |
Adaptor |
Latching / turn adaptor for 3780 short-backset platform (MkI adaptor required for 3780). |
| 3772-ADAPTOR |
Turn Adaptor |
Turn adaptor used on functions requiring internal turn/through-fix (per function chart). |
| SP3570-5018 / -5228 / -5238 / -5258 |
Extended Spindles |
Spindles for thicker doors (approx. 32–200 mm door thickness coverage by model). |
| 3782-DXKITSC |
DX Digital Kit |
Mechanical digital keypad conversion (codepad, spindle, plate, screws, adaptor). |
| 3782-DXKOKITSC |
DX Digital + Key Override |
DX codepad with lower cylinder key override; includes required plates and spindle. |
| 3787-KIT570E |
Dual Entry Kit |
Lower cylinder mounting plate, spindle cam & screws (for 3787 dual entry configuration). |
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.
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