800-5502 BD-2 Block Occupancy Detector- Current Sensing Scenery 3 position Semaphore control can

3 position Semaphore control can be achieved with the addition of the SD-2 Semaphore Driver

Air intake and dust box are combined together for easy setup

You will also be able to represent Polish or Czechoslovakian built versions

79th Armoured Division

800-5502 BD-2 Block Occupancy Detector- Current Sensing Scenery 3 position Semaphore control canThe BD 2 also incorporates a turn off delay of approximately second to prevent loss of detection due to dirty wheels, etc. The BD 2 will directly drive either LED type or incandescent lamp, 2 color block signals and the outputs have a maximum current capacity of 250 ma. The circuit boards are designed for easy daisy chain wiring of multiple blocks and will snap into a section of our PCMT (Printed Circuit Mounting Track) for simple installation. The BD