To provide secure locking of swinging passage / control doors using third party security management systems (SMS) or conventional key control. Designed to enable key and electric operation from both sides of the door. This lock is specifically designed for very high use applications; typically securing perimeter doors and main access routes.


The 3R63 is a mortice lock of robust construction based on the Chubb Locks Custodial Services large mortice footprint. The main bolt is a sprung latch providing a throw of 25mm, secure locking is achieved by two independent methods:

Electrical Mode. Locking/unlocking by 24 Volt DC controlled sequence from an external source (SMS). Bolt withdrawal by handle, which should also be used when closing the door.
Manual Mode. Locking/unlocking achieved using conventional (mechanical key). Bolt withdrawal by handle, which should also be used when closing the door.
Manual Override. In the event of power or communication failure an override key is used to disable electric locking function.

The lock will operate if slammed to shut, however, CLCS recommend that in normal operation the handle is used to withdraw the bolt when closing.


Solid Case Technology; Lock case machined from single piece carbon steel block.
Steel main bolt, with carbide anti-cutting rollers and 25mm throw.
Unique dual solenoid electric locking latch.
Independent 8-lever locking mechanism.
Lock provides status monitoring of critical functions and tamper.
Integral baffle arrangements to resist manipulation and interference via the keyhole.
Dedicated key profile operates 3R63 group of locks only.


Mechanical locking mechanism tested to a minimum of 300,000 operations.
Handle mechanism tested to a minimum of 1,000,000 bolt operations.
Solenoid locking unit tested to a minimum of 1,000,000 cycles.
Solenoid arrangement designed to operate at +/-10% of 24V DC regulated supply.
Nominal operating current 500mA.

Additional features

Supplied with “T” Handle as standard.
Range of fixings including reinforcing plates and locking plates.
Gate boxes for steel door applications recommended.
Interchangeable mechanical inner locking unit to enable re-coding.
This lock is not available under a master key system. 
Escutcheon trim plates supplied for wooden door variants as standard.

Materials and finishes

Lock case - carbon steel electro-plated.
Main bolt - carbon steel electro-plated.
Main bolt follower high tensile brass.
Keys – Hardened Steel.
Escutcheons – silica brass.
Levers and springs – Brass / phosphor Bronze.

Dimensions and Weights

Case Height 286mm
Case Length 267mm
Case Thickness 29mm
Bolt Throw 25mm
Bolt Depth 45mm
Bolt Thickness 22mm

Weight (lock only) 12.4Kg

Total Range

The lock is available in left or right hand variants for opening in or opening out doors and can be fitted to steel or wooden doors. A range of backplate stud lengths is available to suit door thicknesses from 25 to 70mm.

Fully dimensioned customer drawings are available on request to assist with door preparation.