

Control and safety technology (LST) is the system that ensures that trains travel on the right track, stop in the right place and keep the right distance. Signals, electronic signal boxes, turnout drives, axle counters and cable connections — all of this is part of LST and must function reliably, in all weathers, around the clock. Klefenz GmbH is approved as a DB-qualified specialist company for LST work and carries out assembly and commissioning work on the German rail network.
Approval for LST work on the DB network requires supplier qualification from Deutsche Bahn AG and certified specialists. Klefenz meets both requirements: The company is prequalified for the relevant LST product categories and has trained personnel who are familiar with technical regulations and safety regulations. All LST work is fully documented and approved in accordance with defined approval processes in coordination with the responsible operator.
Track construction and control and safety technology are intertwined in many projects: Turnout upgrades require the integration of new turnout drives into the signal box, new track systems require signals and axle counters, and DB Digital Rail installs new digital interlocking technologies on existing lines. Klefenz coordinates these interfaces between track construction and LST and offers both from a single source — a clear advantage for clients who do not want to bear separate coordination costs between different specialist companies.

Klefenz operates its own branch in Germersheim to carry out LST projects on routes in southwestern Germany. This branch serves as an operational basis for LST teams and enables short journeys, quick response times and direct contact with local DB project management. Talk to us if you are looking for a qualified LST specialist for your project.







Whether you are planning a demanding construction project or looking for a new career path – Klefenz stands for experience, reliable collaboration and a clear commitment to quality. If you want to realise a project with us or become part of our team, we look forward to starting the conversation and taking the next step together.
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