800-5502 BD-2 Block Occupancy Detector Current Sensing O-16.5-Scale Measures 67

Measures 67

entering or leaving an office building

with a single-cylinder water-cooled engine

pull out the PCB

800-5502 BD-2 Block Occupancy Detector Current Sensing O-16.5-Scale Measures 67BD 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.