Lockwood Selector® 3772 DX Digital Mortice Locks

3772 DX Digital Mortice Lock 60mm Backset - Stainless Steel
3772 DX Digital Mortice Lock 60mm Backset - Stainless Steel
3772 DX Digital Mortice Lock 60mm Backset - Stainless Steel
3772 DX Digital Mortice Lock 60mm Backset - Stainless Steel

Combination of 3772 Series Cylinder Mortice Lock, Lockwood 1800 or 2800 Series and Digital Access Pad to provide keyless entry.

For extra security when under forced attack, the inbuilt clutching mechanism allows the outside turnknob to rotate without operating or damaging the lock.

The factory set 4 digit code is easily changed to any 4, 5 or 6 digit code using the code changing kit provided with each lock.

As the digital lockset utilizes mechanical operation, electrical wiring is not required.

Outside Function

Press the C button, enter the correct code, then turn the turnknob to unlock the door. Upon releasing the turnknob the code is automatically cancelled.

Inside Function

By lever handle at all times.

Holdback Function

A key operated holdback function is available as a lock setting and requires the inclusion of an internal cylinder.



Lockwood 1800 and 2800 Series (ordered separately).

Case and Faceplates

  • High purity zinc alloy material cases with stainless steel chassis plates. Stainless steel faceplates provided as standard
  • Brass faceplates available for alternative finishes


  • 60mm standard backset
  • Extended backsets 89 and 127mm are available

Latch Bolts

  • Latch bolts are made with stainless steel, 15mm in size
  • Deadlatching is achieved by an auxiliary stainless steel latch bolt
  • Reversible for both left and right hand doors, opening in or opening out whilst lock is in door
  • Electric Strike compatibility
  • Separate auxiliary bolt moves into lock case simultaneously with latch bolt
  • Radius bolt provides greater deadlatch throw and smoother closing action

Cylinder Retaining Pin

Hard-drawn spring steel wire, corrosion protected.

Door Thickness

  • 32 to 50mm
  • Components to facilitate use on thicker doors are available on application

Door Clearance

To ensure correct functioning of the deadlatching mechanism and security for all locks, the clearance between the door and the frame should be 3mm. The deadlatching will operate up to 8mm door clearance, however door clearances over 5mm are not recommended.

Aluminium Doors

Specify Selector® 3772-AFKIT for aluminium door fixing kit to convert a timber fix lock to aluminium fixing. The aluminium door fixing kit comes with a 156mm by 25mm radius faceplate common to other aluminium door locks.


All Selector® 3770 Series Cylinder Mortice Locks conform with Level S7 (Physical Security) Australian Lock Standard (AS-4145.2-2008). Conforms to Level S8 (Physical Security) when fitted with door furniture and anti-drill cylinder.


All Selector® 3770 Series Cylinder Mortice Locks conform with Level D8 (Durability) Australian Lock Standard (AS4145.2-2008).

Fire Rating

All Selector® 3770 Series Cylinder Mortice Locks have been successfully tested up to 4 hours (depending on type of doorsets) on fire door assemblies in accordance with Australian Standard AS 1905.1-2015, Part 1: Fire Resistant Doorsets.


All Selector® 3770 Series Cylinder Mortice Locks conform with Level C6 (168 hours) Australian Standard (AS4145.2-2008).


Requires standard Lockwood oval shaped brass cylinders and brass barrels. Lockwood cylinders include bump resistant five pin tumbler mechanism.

Functions require the use of different cams and adaptors.


Restricted Special Keying

Lockwood locks can be keyed to a number of controlled and/or specially keyed systems. These range from legally protected keys to protect against unauthorised duplication and can also include specially designed keying systems such as master key systems. This allows for different levels of mechanical access control.

Lockwood Keying Platforms – More information

Standard Finishes

Codepad Satin Chrome Brushed (SC)
Mortice Lock Stainless Steel (SS)



Codepad Assembly

High purity zinc alloy. 45mm wide, 164mm high, 52mm projection.

Extended Cylinders

Modular Cylinder Extensions are available for thicker doors.


Rebate kits to suit 13mm standard rebate are available.

Electric Strikes

Lockwood offers a wide range of electric strikes which are compatible with the Selector® 3770 Series Mortice Lock.

Lockwood Electric Strikes – More information


Part Number 3772DX 4772DX 5772DX
Dimension A 60 89 127
Part Numbers

Lockwood Selector 3772 DX Digital Mortice Locks


Primary Locks

Description Part Number
3772 Universal Primary Lock 60mm Backset 3772SS
4772 Universal Primary Lock 89mm Backset 4772SS
5772 Universal Primary Lock 127mm Backset 5772SS


Conversion Kits

Description Part Number
Kit For Standard 3772 DX Digital Configuration 3772-DXKITSC

Where to buy?

Find your local Lockwood stockist.