Switch Circuit Controllers
An electro-mechanical device that physically detects the position of a rail and interfaces with the signaling circuit to permit or prevent a train from crossing a particular turnout location.
- Model 856 (Ansaldo U-S)
- Model 956 (Alstom 7J & 7K)
- Tie or Rail Mounted
- Detection of sliding derail position
- Detection of mitre rail on swing/lift bridges