Lockwood Selector® 3770 Nightlatch Mortice Locks 3770 Nightlatch Mortice Lock 60mm Backset - Stainless Steel 3770 Nightlatch Mortice Lock 60mm Backset - Stainless Steel A comprehensive range of cylinder mortice locks suitable for heavy duty use in industrial and commercial buildings, institutions, clubs, schools, hospitals, hotels and similar buildings. These locks have various latching functions operated by a key outside and by a turnknob or key inside. The mortice nightlatch locks automatically when the door is closed. The 3770 Nightlatch Mortice Lock also feature through-fixing of rose furniture turnknobs and escutcheons, allowing for more robust fixing of door furniture. Specification Furniture Compatible with most Lockwood cylinder escutcheons, turnknobs and plate furniture.Lockwood 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 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 corner faceplate common to other aluminium door locks. Security 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. Durability 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. Anti-Corrosion All Selector® 3770 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. Keying 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. 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 Dimensions Part Number 3770 4770 5770 Dimension A 60 89 127 Dimension B 88 117 155 Close Downloads 3770 Series Aluminium Doors Mounting Instructions.pdf (.pdf, 1.2 MB) 3770 Series Rebated Timber Door Mounting Instructions.pdf (.pdf, 936 kB) 3770 Series Setting and Operating Instructions.pdf (.pdf, 4.4 MB) 3770 Series Timber Doors Mounting Instructions.pdf (.pdf, 2.3 MB) LSELWALLCHART LW Selector Wall Chart_0616_WEB.pdf (.pdf, 14.1 MB) Close Part Numbers Lockwood Selector 3770 Nightlatch Mortice Locks Primary Locks Description Part Number 3770 Nightlatch Primary Lock 60mm Backset 3770SS 4770 Nightlatch Primary Lock 89mm Backset 4770SS 5770 Nightlatch Primary Lock 127mm Backset 5770SS Primary Locks with Radius End Faceplate Description Part Number 3770 Nightlatch Primary Lock Rad Faceplate 60mm Backset 3770RSS 4770 Nightlatch Primary Lock Rad Faceplate 89mm Backset 4770RSS 5770 Nightlatch Primary Lock Rad Faceplate 127mm Backset 5770RSS Close Lockwood Selector 3700 Series Commercial Lockwood Selector® 3700 Series Featurette Lockwood Selector® 3782 Short Backset Universal Mortice Locks23mm, 25.4mm, 30mm and 38mm backset models available. Lockwood Selector® 3774 Mortice Passage Latch60mm backset model available. Lockwood Selector® 3777 Dual Entry Mortice Locks60mm, 89mm and 127mm backset models available.