Siba 10152/3MR Mortise Lock without Cylinder

The Siba 10152/3MR Mortise Lock is a robust and reliable locking solution designed for diverse door applications. Engineered for durability and consistent performance, this mortise lock provides a secure foundation for your door hardware. The unit is supplied without a cylinder, offering the flexibility to select and install a locking mechanism that best fits your specific security requirements and existing key systems.

Advantages

This mortise lock is constructed from high-quality metal, ensuring long-term resistance to wear and mechanical stress. Its universal opening direction makes it an exceptionally versatile choice, as it can be installed on both left-handed and right-handed doors without the need for complex modifications. The standard dimensions allow for straightforward integration into most common door types, while the build quality ensures smooth operation over extended periods of use in both residential and commercial environments.

Suitable for

• Interior residential doors
• Commercial office doors
• Replacement of existing mortise locks with compatible dimensions
• Doors requiring a custom cylinder selection

When it may not be suitable

This lock is not suitable for doors that require an integrated locking mechanism or those with non-standard backset or center-to-center dimensions that do not align with the 45 mm or 85 mm specifications. It is also not intended for high-security applications that require specialized multi-point locking systems.

Key specifications

• Distance between handle and cylinder center: 85 mm
• Backset (edge to cylinder center): 45 mm
• Material: Metal
• Opening direction: Universal

How to use

Installation should be performed by a qualified professional or an individual with experience in door hardware fitting. Begin by ensuring the door mortise cavity is clean and matches the dimensions of the lock body. Insert the lock into the door edge and secure it using the provided mounting points. Once the lock body is fixed, install your chosen cylinder and handle set. Test the latch and locking mechanism multiple times while the door is open to ensure smooth operation before final closure.

What to consider before purchase

• Verify the 85 mm center-to-center distance matches your existing door hardware
• Confirm the 45 mm backset is compatible with your door frame
• Ensure you have a compatible cylinder ready for installation
• Check the warranty terms for your specific usage scenario

Usage recommendations

Regularly inspect the lock for debris and ensure that the moving parts remain lubricated with a suitable silicone-based lubricant to maintain optimal performance and longevity.