Mortise locks for timber and steel doors
Our mortise locks for timber and steel doors reliably meet the requirements for secure and durable door systems in both private and public buildings. Thanks to their standardized dimensions according to DIN 18251, robust mechanics, and versatile application options, they are ideal for apartment, project, and fire protection doors.
With durable quality and a wide range of variants, our mortise locks – e.g. from Series 23 – offer a reliable solution for high-traffic areas. The locks are prepared for use with standard profile cylinders and fittings; a free-running cylinder is not required.
Optionally equipped with monitoring contacts, silent latch or panic functions, they meet the requirements for emergency exit and escape doors in accordance with EN 179 and EN 1125 – ideal for use in public and commercial areas.
Features
The compact design enables installation in single and double-leaf door systems made of timber and steel
Backset dimensions from 25 mm offer high flexibility in the selection of door profiles and areas of application
The reversible latch allows use for DIN left and DIN right without additional effort
- Mortise locks according to DIN 18251 are ideal for residential, project, and fire protection doors
Various versions enable functions such as roller latch, frame protection latch, top locking, or panic function
The locks are compatible with standard profile cylinders and door fittings – a free-running cylinder is not required
- Optionally, a silent latch is available, ensuring quiet closing – ideal for sensitive areas
The locks are durable, low-maintenance, and specially designed for continuous use on high-traffic doors
Mortise locks: The right choice – not only in terms of security
Mortise locks for timber and steel doors combine durable locking technology with high flexibility for a wide range of door systems. Whether in administrative buildings, residential complexes, or project construction – thanks to numerous variants, functions, and tested security according to DIN 18251, mortise locks can be reliably and compliantly integrated into modern door and security concepts.
Reliability
The reliable mechanics ensure consistently dependable operation even with high usage frequency. Ideal for use in residential, project, and fire protection doors.
Versatility
Whether panic function, escape door approval, or quiet door closing – mortise locks for timber and steel doors can be flexibly adapted to door profile, standards, and usage situation.
Security
Certified versions offer increased burglary protection and meet applicable requirements according to DIN 18251 as well as EN 179 and EN 1125 for doors in rescue and escape routes.
Technical data & standards
| Products | Type of lock | Suitable for | Panic function | Secured latch retention | Type | Note | |||
|---|---|---|---|---|---|---|---|---|---|
| 1-leaf | 2-leaf | ||||||||
| Mortise locks (manual locking) |
Room lock (Class 1) |
x | - | - | - | - | 0215 | ||
| Room lock (Class 2) |
x | - | - | - | - | 0415 | |||
| Project lock (Class 3) |
x | - | - | - | - | B-0515 | Silent latch optional |
||
| Project lock (Class 4) |
x | - | - | - | - | B-0715 | |||
| Authority lock (Class 5) |
x | - | - | - | - | B-0615 | Silent latch optional |
||
| Front door lock (Class 1) |
x | - | - | - | - | B-0024 | |||
| x | - | - | - | Optional | B-1206 | ||||
Standards and safety requirements
Mortise locks for timber and steel doors meet the highest safety standards in accordance with DIN EN 12209 and DIN 18251. Versions with panic function also comply with the European standards DIN EN 179 (emergency exits) and DIN EN 1125 (panic doors). VdS-certified variants are approved for use in burglar-resistant doors according to DIN EN 1627–1630. Many models also feature fire and smoke protection suitability as well as CE marking for the European market.
suitability for fire protection
Approved for use on fire and smoke protection doors
Emergency exit devices with lever handle or push plate for doors in escape routes
The EN 179 standard refers to emergency exit devices intended for use in buildings where it is expected that people familiar with the escape route can quickly and safely reach an exit in an emergency. These locking systems are designed to be easily opened in the event of an emergency. They require only a simple hand movement without the use of keys or similar aids. EN 179 specifies requirements for the design and performance of such systems to ensure their reliability and safety.
panic-break-out hardware with horizontal operating bar
DIN EN 1125 refers to panic exit devices with integrated latch that are equipped with a horizontal operating bar. This standard specifies the requirements and test methods for emergency exit devices intended for use in public buildings to ensure a quick and safe exit in case of emergency. The devices must be designed so that they can be easily operated even under panic conditions.
mechanically operated locks and strike plates
EN 12209 is a European standard that deals with mechanical locks and striking plates for doors. This standard defines the requirements for security, functionality, and durability of mechanical locks. It includes test procedures for evaluating the performance of these products in various categories such as durability, corrosion resistance, and resistance to tampering.
Locks – mortise locks and multi-point locks
The DIN 18251 standard refers to mortise locks for doors and defines requirements as well as test procedures to ensure that these locks meet the required safety and functional standards. The standard is divided into several classes (e.g. class 3, class 4), which define various technical specifications and areas of application. For example, class 4 of DIN 18251 describes specific features such as the stainless steel material of the forend or specific dimensions for backset distances.Find the right support quickly!
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