Lockwood Selector® Series Electric Mortice Locks

Designed and manufactured in Australia the Selector® 3782EL is a high performance electric mortice lock for narrow stile hinged doors. Designed to meet the varying requirements of commercial applications the lock can be operated by push buttons, intercom systems and key switches; or integrated with electronic access control systems for use with higher security devices such as keypads or card readers. These locks comply with building regulations for single-action escape doors.

Key Features

  • Variable voltage from 9 – 28VDC
  • Simple in field selectable from power to lock to power to open
  • Full range of monitoring including REX, Deadlatch, Door position, KOM and lock status
  • On board door status LEDs improves installation and reliability
  • Unique functions for double reader applications which allows external side to fail securely while internal side fails safe allowing free egress escape
  • Motor driven providing lower power usage in some applications

Compatible with Lockwood 4800 and 5800 Series Furniture.  Range includes functions with lens to allow LED indication.
Lockwood Plate Door Handles – More information

9 – 28VDC

300mA MAX (20mA continuous if LEDs are activated) 

Key override (NC), Deadlatch (NC), Door Position (NC), REX (NO / NC) and Lock Status (NC) – all 30VDC 50mA MAX

 -15 to 60ºC

Case / Cover
High purity zinc alloy material cases with stainless steel chassis plates

23mm, 25.4mm, 30mm, 38mm

Supplied with 3.6m cable with 12 pin connector and water deflecting boot

Recommended cabling
8AWG (0.82mm²) cable runs up to 30m

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
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
Metal doors: 35 to 50mm
Timber doors: 32 to 50mm
Specify Selector® 3782-TFKIT for timber door fixing kit to convert an aluminium fix lock to timber door fixing. The timber door fixing kit includes a long faceplate, strike and screws to suit a timber door and jamb

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.  

All Selector® 3782EL 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® 3782EL Series Cylinder Mortice Locks conform with Level D8 (Durability) Australian Lock Standard (AS4145.2-2008).

All Selector® 3782EL 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.


  • 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.

Standard Finishes
Stainless Steel SS

Extended Cylinders
Modular Cylinder Extensions are available for thicker doors.

Rebate kits to suit 13mm standard rebate are available. Only suitable for use with 30mm and 38mm backset locks.



Part Number 3782EL 4782EL 5782EL 6782EL
Dimension X 23 25.4 30 38
Dimension Y 40 42.4 47 55
Minimum Internal Depth of Door 40 43 47 55
Part numbers
Part Numbers

Selector 3782EL Electric Mortice Locks

Description Part Number Barcode
3782EL 12-24VDC Electric Mortice Primary Lock 23mm Backset 3782ELSS 9340116061191
4782EL 12-24VDC Electric Mortice Primary Lock 25.4mm Backset 4782ELSS 9340116061238
5782EL 12-24VDC Electric Mortice Primary Lock 30mm Backset 5782ELSS 9340116061252
6782EL 12-24VDC Electric Mortice Primary Lock 38mm Backset 6782ELSS 9340116061269

Selector 3782EL Electric Mortice Lock Accessories

Description Part Number Barcode
3782EL Series 9 Pin Adaptor to Retrofit 3582EL SP3782EL-251 9340116061382
3782EL Series Cable 3.6m SP3782EL-252 9340116061405
3782EL Series Extended Cable 7.5m SP3782EL-253 9340116061412

Where to buy?

Find your local Lockwood stockist.