3G112 Mark 3 - Morticed Deadlock – Single Action
Application
Purpose
To provide secure locking of swinging pass / control doors and gates where positive locking by a mechanical key is required.
Overview
The 3G112 Mark 3 is a mortice deadlock of robust construction based on the Chubb Locks Custodial Services small mortice lock footprint. The mechanical deadbolt provides a throw of 17mm.
The lock provides deadlocking operated by a unique key profile to the Mark 3 range of locks and will not operate Mark 1 or Mark 2 lock variants. The lock is operable from both sides and the escutcheon is designed to allow only the correct key profile to be inserted into the lock.
Note: This lock cannot be master keyed.
Specification
Principal of Operation
- To Deadlock - Insert the key in to the escutcheon and rotate once (top of the key rotates towards the door edge)
- To Unlock - Insert the key in to the escutcheon and rotate once (top of the key rotates away from the door edge)
Standard Features
- Heavy Duty Electroplated Steel cap and case
- 17mm throw laminated bolt fitted with anti-saw Tungsten Carbide rollers
- 12 lever key mechanism (6 for the purpose of differing)
- Factory restricted hardened steel one piece key
- Nylon key journals moulded to the cap and case to increase wear resistance
- Security fixing screws
- Microswitch versions feature bolt status monitoring
Performance/Testing/Criteria
- Mechanical locking mechanism tested to a minimum of 500,000 operations
- Saw attack on the main bolt 12 hours
- End load 13.5 kN
- Side Load 13.5 kN
- Impact tested to UK Government requirements
Total Range
- The lock is not handed, however for use on steel doors the short forend version should be ordered and for wooden doors the long forend version is recommended.
- NOTE: Wooden Doors: This lock should be fitted to a wooden door with a minimum thickness of 54mm. Please contact CLCS for guidance if alternative wooden door thicknesses are required.
Dimensions & Weights (Approx)
Case Height | 114mm |
Case Length | 171mm |
Case Thickness | 21mm |
Bolt Throw | 17.4mm |
Bolt Depth | 58.7mm |
Bolt Thickness | 16.5mm |
Weight (lock only) | 2.5kg |
Finish
- Lock case - carbon steel electro-plated
- Main bolt - stainless steel bolt tail with brass bolt heads and running blocks. Stainless Steel bolt head & blocks are available
- Escutcheons - investment cast brass natural
- Faceplate - Brass
- Keys - Hardened Steel
- Levers and springs - Brass / phosphor Bronze.
Standards