LOCKWOOD

Lockwood Selector® 3787 Short Backset Dual Entry Mortice Locks

A comprehensive range of cylinder mortice locks for narrow stile hinged doors. Suitable for heavy duty use in industrial and commercial buildings, institutions, clubs, schools, hospitals, hotels and similar buildings.

Designed to enable third parties such as emergency services to enter specific areas by second cylinder; without giving access to all locksets in the building and the ability to lockout keys with restricted access at certain times.

Features and Benefits

  • Easy red/green function setting
  • All lock settings are made from under the faceplate allowing for simple in-door configuration
  • Standard primary locks include anti-lockout and holdback capabilities
  • Improved cylinder functions including lock/unlock and retract latch as standard
  • Reduced range of cylinder cams and turn adaptors relative to other commonly available commercial cylinder mortice locks
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Selector Feature Page

  • Furniture

    Compatible with Lockwood 4800 and 5800 Series Furniture

    Lockwood Plate Door Handles – More information

    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

    Backset

    • 23mm standard backset
    • Extended backsets 25.4mm, 30mm and 38mm 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

    • Metal doors: 43 to 46mm
    • Suits hollow-style aluminium door sections with 38mm minimum internal depth

    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.

    Security

    All Selector® 3780 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.

    Durability

    All Selector® 3780 Series Cylinder Mortice Locks conform with Level D8 (Durability) Australian Lock Standard (AS4145.2-2008).

    Anti-Corrosion

    All Selector® 3780 Series Cylinder Mortice Locks conform with Level C6 (168 hours) Australian Standard (AS4145.2-2008).

    Cylinder

    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.

    Lower cylinder is a 570E type cylinder which must be ordered separately

    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

    Stainless Steel SS

    Extended Cylinders

    Modular Cylinder Extensions are available for thicker doors.

    Rebate

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

    Electric Strikes

    Lockwood offers a wide range of electric strikes which are compatible with the Selector® 3780 Series Mortice Lock.

    Lockwood Electric Strikes – More information

    Dimensions

     

    Part Number 3787 4787 5787 6787
    Dimension X 23 25.4 30 38
    Dimension Y 40 42.4 47 55
    Minimum Internal Depth of Door 40 43 47 55
  • Catalogue
    Lockwood Selector 3700 Series Mortice Locks Catalogue(PDF, 9 MB)
    Technical Downloads
    Selector 3780 Series Routing Detail(ZIP, 82 KB)
    3782 Series Aluminium Door Mounting Instructions(PDF, 1 MB)
    3787 Dual Entry Kit Mounting Instructions(PDF, 1 MB)
    3782 Series Timber Door Mounting Instructions(PDF, 2 MB)
    5782 Rebated Door Mounting Instructions(PDF, 2 MB)
    3782 Series Setting and Operating Instructions(PDF, 4 MB)
    Selector 3780 Series IGES 3D Models(ZIP, 16 MB)
    Lockwood 3700 MkI Service Manual (PDF, 34 MB)
  • DescriptionPart number
    LOCKWOOD SELECTOR 3787 SHORT BACKSET DUAL ENTRY MORTICE LOCKS
    Primary Locks - 3782 Universal Primary Lock 23mm Backset3782SS
    Primary Locks - 4782 Universal Primary Lock 25.4mm Backset4782SS
    Primary Locks - 5782 Universal Primary Lock 30mm Backset5782SS
    Primary Locks - 6782 Universal Primary Lock 38mm Backset6782SS
    Conversion Kits - Dual Entry Kit To Suit 570E Type Cylinder3787-KIT570E

Australian Made

Designed and built in Australia according to high quality standards.

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  • Lockwood Selector® 3777 Dual Entry Mortice Locks

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  • Lockwood Selector® 3772 Key Override DX Digital Mortice Locks

    60mm, 89mm and 127mm backset models available.

  • Lockwood Selector® 3782 Short Backset Universal Mortice Locks

    23mm, 25.4mm, 30mm and 38mm backset models available.

Disclaimer: Selector is a registered trademark of ASSA ABLOY Australia Pty Ltd in New Zealand
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