800-5502 BD-2 Block Occupancy Detector Current Sensing Brand_L-S-Models 4 Outer Crossing Shims 0

4 Outer Crossing Shims 0

LENGTH 76mm

with the option of both a retracted and extended undercarriage

With the Tiny Scenes

57009 DRS Compass (Original) livery

800-5502 BD-2 Block Occupancy Detector Current Sensing Brand_L-S-Models 4 Outer Crossing Shims 0BD 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.