Key Operational features of High Performance Switch Actuation System

  • More reliable than existing m/c's = improved train performance
  • Able to provide data to condition monitoring systems
  • Lower maintenance
  • Lower whole life costs
  • High speed traffic potential
  • Machine tampable

Design Features

  • In-sleeper design
  • Contact-free rail detection using linear transducers
  • DC Brushless motor
  • Electronic control
  • Reduction gearbox/leadscrew drive arrangement
  • Rails locked in position by leadscrew/duplex brakes
  • Duplex detection of all "safety critical" features
  • Hand-held computer for commissioning /diagnostics
  • Tolerant of gauge spread (with safe limits)
  • Tolerant of rail creep