The effeff drop bolt 843ZY enables a wide range of installation options thanks to its compact design and well thought-out accessories. As an additional lock, it offers optimal security in both commercial and residential areas.
With its Euro profile cylinder hole, this variant also offers the function of a mechanical emergency release.
Overview of Advantages
• For horizontal and vertical fitting
• When fitted horizontally, only possible to close downwards
• Can also be fitted to the surface of glass doors
• Automatic unlocking for 9 seconds via integrated control
• Integrated door and locking monitoring contacts
• Suitable for short and permanent release
• Suitable for swing doors