800-5201 DT-1 Grade Crossing Detector - MPM Hobbies

800-5201 DT-1 Grade Crossing Detector

$31.17 
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SKU: TOR5201
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The CIRCUITRON DT-1 is a bi-directional detection circuit designed for DC track power that provides an output whenever one of its Opto-Sensors is covered by a piece of rolling stock. Absolutely no modifications to the rolling stock are necessary.