Protection and control technology
First choice for secondary technology

Rail Power Systems is your renowned systems designer and systems supplier with 125 years of experience in secondary technology for railway infrastructure. In addition to our comprehensive services with a high level of system expertise, we offer you an equally comprehensive product range with high quality and depth of integration. Energy efficiency, investment protection, quick and easy maintenance, the “safe together” occupational safety initiative and responsibility for the community are very important to us. Our protection and control technology products provide you with optimised solutions tailored to your requirements.

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Your solution from a single source

Rail Power Systems is your competent system and product partner from design and realisation to maintenance of protection and control technology. In the planning, design and configuration of the specific technical solution, we are guided by you – regardless of whether it is a component, plant or complete system, whether it is far-sighted design planning or configuration, whether it is delivery and turnkey handover of the complete system or professional service during operation with disposal at the end of the service life. Rail Power Systems is the reliable partner for you.

Control technology

Station control technology in every bandwidth

Our station control technology ranges from Ethernet fieldbus systems for various communication protocols (including IEC 60870-5-104 and IEC 61850) to redundantly designed centralised PLCs. This also includes the interface to the network control technology and is available in various performance levels. An industrial PC as a local human-machine interface (HMI) enables convenient operation of switchgear assemblies and archiving of messages. Should your station control technology also cover extensive special applications, e.g. safety PLCs for roof working platforms in depots? We competently handle all tasks for you.

State-of-the-art network control technology

From control technology components to optical transmission paths and redundant lines to the control centre, Rail Power Systems is your partner of choice. When it comes to power management technology, we offer you a wide range of solutions for implementing customised systems. As well as remote control connections in accordance with international standards, such as IEC 60870-5-101/-104, we can also integrate existing remote control lines with manufacturer-specific protocols. We attach particular importance to the design of the user interface for process visualisation for the human-machine interface (HMI) – focusing especially on user guidance and ease of use for controlling, monitoring, archiving and evaluating your traction power supply systems.

IT security

Rail Power Systems offers efficient and economical solutions for IT security in the traction power environment. Our IT security solutions have been developed in accordance with the IT Security Act, the IEC 27001 series of standards, the IEC 62443 standard and the white paper of the German Federal Association of the Energy and Water Industry (BDEW) on the requirements for secure control and telecommunications systems, and are constantly being adapted to new requirements.

Secure remote access

Regardless of the system manufacturer, we enable maintenance and service technicians to gain a reliable insight into the control system of the traction power system:

  • (Multi-)client-compatible remote access to (complex) energy systems
  • Central access portal with 3-factor authentication
  • Self-sufficient IT infrastructure at the site
  • Demilitarised zone (DMZ) between external and internal network
  • Modular and scalable
  • Independent of system manufacturer
  • Multi-level authentication
  • Active malware protection
  • Administration as a service
Remote access

We offer a secure and economical solution for direct remote access for smaller I&C systems that do not fall under the requirements of the IT Security Act:

  • Industrial VPN infrastructure
  • Central remote maintenance server
  • Centralised authentication
  • Mobile and stationary solutions
System hardening

The system hardening of IT components for I&C systems follows the principle of “defence in depth”. All IT components of a system are secured in multiple layers against unauthorised access and harmful influences. The result:

  • Creation of a secure infrastructure
  • Compliance with BSI and best practice guidelines
  • Operating system hardening
  • Active malware protection
  • Secured networks

Professional system protection

System protection is in competent hands with us. From the individual to the whole, you can count on our decades of expertise:

  • Network study 
  • Creation of the appropriate protection concept
  • Manufacturer-neutral selection or design and construction of the corresponding system components
  • Commissioning 
  • Training and analysis of network faults

Maintenance of systems and products

We not only promise first-class products, we deliver them too. With our service provided by trained personnel, we increase the quality, performance and availability of your system technology sustainably and in the long term. Backed by our experience, we know that expert and forward-looking maintenance measures create enormous savings potential. Our service permanently prevents costly repair measures and breakdowns.

Our services

  • Inspection/maintenance of substations in accordance with the German Tram Construction and Operation Ordinance (BOStrab)
  • Inspection/maintenance of all system components (AC 16.7 Hz and 50 Hz)
  • Corrective maintenance and repairs
  • Improvements
  • Service via on-call and stand-by readiness in the event of a fault
  • 24 hours a day, 365 days a year
  • Guarantee of agreed response times for hotline and on-site callouts
  • Implementation of retrofit measures in the traction current technology
Your contacts

Head of International Sales

Ralf Klinge


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Your contacts

Head of Sales Germany Traction Power Supply

Holger Ehms


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Product Manager Protection and control technology

Sam Holzhäuser


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How can we help you?

Please send us your enquiry – we will get back to you as soon as possible.