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CL4520 Smart - Mortice Lock

  • Tubular mortice lock
  • Suitable for high traffic uses
  • Multiple access methods
  • Manage via smartphone
  • Control entry with NetCodes
  • Keep track with Audit Trail
CL4520 Smart - Mortice Lock
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CL4520 Mortice Lock

  • Higher level of control
  • Lock out code users with key

The CL4520 includes a euro profile mortice sash lock with deadbolt and latchbolt safety feature. The new smart lock makes access control easier, offering flexibility and convenience by providing a range of entry methods including the use of pushbutton code, smart card or smartphone, enabling users to choose the most suitable access method. It utilises wireless technology to give building managers the ability to program locks via a Bluetooth™ compatible smartphone by downloading the K3 Connect App*.  Program locks via your smartphone, generate and send codes for easy access, issue smart cards for alternative entry, track and control with audit trail.

Code. Card. Phone.

The smart lock supports up to 350 users, with 100 client user codes, 100 phone clients and 150 client smart cards as an alternative entry option. By installing the K3 Connect App* on a smartphone all aspects of the lock can be managed conveniently, from updating basic settings to creating multiple individual access periods.

Entry can be tightly controlled and monitored by issuing NetCodes, which are generated and sent via email and SMS. The codes can be created with a specific start date and time that automatically expire after a set duration. The ability to offer keyless entry removes the hassle of storing, issuing, and replacing keys. Audit trails allow building managers to keep track of when and where the lock was accessed. The full lock audit trail data can be downloaded and viewed at any time.

The CL4520 can also be set in code-free mode at fixed times of the day, for example when access is required for cleaning, maintenance or deliveries. This removes the need for a key to manually unlock doors. Up to 10 different code-free periods can be created, that automatically enable when scheduled.

The lock outside lever and key functions as CL4510. The lockcase key retracts the latchbolt for entry without using a code or card. The key controls the deadbolt position. The deadbolt denies access by code and card, when projected, safety features allow the inside lever handle to retract the deadbolt and latchbolt preventing accidental lock in. The key can be used to open doors for management functions such as security and cleaning.

Controlling locks is now even more convenient with the CL4520.


Key Features

Manage with the K3 Connect App* The lock can be managed with the K3 Connect App by any Bluetooth™ compatible smartphone. The App is available on Apple App Store for Apple devices or Google Play™ for Android™ devices by searching for K3 Connect. Controlling locks has never been so convenient. Manage all aspects of your lock from your smartphone.

Code Card Phone Multiple access. The locks provide flexibility and convenience by providing a range of entry methods. Allow Clients access via a simple code, allocate and register a MIFARE® compatible card or send an invitation to their phone.

Controlled Code Free Allow access at set times of day by setting the lock into Code Free mode. Removes the hassle of unlocking doors for free access periods. Reduce the administration burden of manually putting locks into Code Free mode.

NetCode Control Entry. Set codes for a specific start date and time and that automatically expire after a set duration. Send these set codes via email or SMS.

Click here to find out more about NetCode.

Audit Trail Keep track on when and where the lock was accessed. Download and view the full lock audit trail data.

Brand:  Codelocks
Body Material:  Zinc Alloy
Buttons:  12 back-lit keypad
Classroom function:  Yes
Code free option:  Set up to 10 Code Free access periods
Door thickness:  35mm - 60mm (1 3/8" - 2 3/8")
Finish:  Brushed steel
Keying alike:  Locks can be keyed alike on request
Key override:  Yes
Non handed:  Lock will fit doors hung on the left or right
Power:  4 x AA cells
Spindle type:  8mm (5/16") spring loaded spindle
Storeroom function:  Yes
Suitable for:  Internal and external use
Type:  Mortice lock with double cylinder
NetCode:  6 digit
Audit Trail:  Yes
PC Programming:  Yes
Client User Codes:  100
Client Smart Cards:  150
Phone Clients:  100
Smartphone App:  Yes
Supporting Cards:  MIFAREŽ Classic, MIFAREŽ Desfire, MIFAREŽ Ultralite


Our Price:  $535.00 Change Currency: EUR (€) (Exc. 10% GST) ($588.50 Inc. GST)


In stock  


Spare Parts

Spare parts are available to order online. From fixing bolts to replacement latches, we've got it covered.

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Service Fees

Note: From Spring 2017 our NetCode charges will be changing to transactional billing. Rather than levying an annual bulk lock registration fee, there will be a simple charge for each NetCode generated. To generate NetCodes, you will need to purchase a credit pack. 1 NetCode or 1 SMS = 1 Credit. Two credit packs will be available:

  • Entry – 100 credits ($26.55)
  • Standard – 1000 credits ($247.80)

Prices shown are excluding VAT

Please Note: When you register for an account you will receive 20 free credits. 

Additional Functions

Auxiliary Connections
The CL4510 locks include two auxiliary connectors (REM Ports). Traditional behaviour of these ports allows reception desk remote opening (REM 1) and alarm panel trigger to open (REM 2). The REM behaviour also enables the lock administrator to select between four different modes of operation; Remote Release, Sensor Mode, Sensor + Alert and Unlock + Lock Down.

Remote Release
REM1 is intended for push-button release where the lock will open for the normal set time. REM2 is intended for use where the lock needs to be released for a longer period. When a switch or relay connected to REM2 is closed, the lock will open for a period of 30 minutes after which the lock will revert to normal operation.

Sensor Mode
Allows two dry contact switches or sensors (door status and latch monitoring) to be connected. Trigger entry will be added to the audit trail.

Sensor + Alert
A hybrid mode combining the support for a single dry contact switch or sensor (as per sensor mode) and an output. The output can be connected to any compatible device, such as CCTV, with an input that supports the detection of a falling (changing) voltage.

Unlock + Lock Down
Support the connection of two dry contact switches. Connected to REM1, the switch will unlock the lock for the period set by the standard re-lock delay. Connected to REM2, the switch would trigger the lock-down mode of the lock where on the Master and Sub-Master Code can be used for entry.

Tech Spec Download


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