Maintenance Interlock Work


Aarsleff Rail has for many years maintained a wide range of signalling and interlocking systems as well as high voltage installations for Banedanmark. The work has been done as both a maintenance contract and a subcontractor. Our employees are regularly on standby duty in case of malfunctions. A large part of our maintenance work involves checking components, fault prevention and replacement of components. 

In the field of security and power supply, we can offer our experience with:

  • interlocking:
    • relay-based (53/54 systems)
    • group systems
    • PLC-controlled systems (Fusi, Ebilock and Sicas)
  • point heating systems and point mechanisms
  • track circuits on stations and tracks between stations (line blocks)
  • level crossing facilities:
    • ATC/ATP and HKT – installation
    • linie-equipment
    • remote control system
    • emergency power supply
    • cooling systems
    • pumping plants
  • signals and marker boards
  • train preheating and power supply
  • control panels
  • platform lighting.