800-5401 AR-2 Automatic Reverse Circuit with Adjustable Delay 1-3-Scale F11 Spirax Valve

F11 Spirax Valve

Different light and sound functions

All models feature either 8-spoke

complete with a wonderfully detailed 4

This is a scale model replica of the M3A1 Scout Car

800-5401 AR-2 Automatic Reverse Circuit with Adjustable Delay 1-3-Scale F11 Spirax ValveBD 2 Block Occupancy Detector Current Sensing Details: The CIRCUITRON BD 2 is a highly sensitive integrated circuit block occupancy detector designed for reliable operation across virtually all model railway scales and track power systems, including most forms of command control. It detects the presence of locomotives and lighted rolling stock by monitoring current draw through the rails, providing accurate and responsive block occupancy indication.