Packaged Switch Machine Layouts

Wabtec Positive Train Control PTC Packaged Switch Machine

Switch machine layouts consist of a variety of forged rods, machined castings, junction boxes, and hardware conveniently packaged together. They are the connecting mechanism between an electric switch machine and the two rails at a turnout location. Switch circuit controller is an electromechanical device that physically detects the position of a rail and is interfaced with the signaling circuit to permit or prevent a train from crossing a particular turnout location.