Circuitron Tortoise Switch Machines 5202 DT-2 GRADE CROSSING DETECTOR

CircuitronSKU: CIR5202


DT-2 Grade Crossing Detection Unit. Trackside Accessories. HO Scale.
Specifically deigned for use at grade crossings, using Opto-Sensors to detect
the train. Output controls flasher, gates, bells, etc. Full logic system
duplicates prototype grade crossing action. Doesn't require sensor stay covered
to activate. Integrated memory keeps output on until last car clears the
crossing. Activates whenever a train approaches from either direction. If trains
stop short then backs away, until will detect that and turn output off.
Independent of train length; will detect a short train even if it falls between
Opto-Sensors. Includes four Opto-Sensors. 3 x 4 printed circuit board. 10-18V AC
or DC input. All DC Scales- Bi-Directional.

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