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Circuitron 5520 - SD-2 3-Position Semaphore Driver
$23.94Use with the Tortoise Switch Machine and an upper or lower quadrant semaphore-style signal. Includes al the logic circuitry to drive the signal to all three positions. Works with BD-1 or BD-2 Block Occupancy Detectors. A minimum of two blocks must... -
Circuitron 5203 - DT-3 Grade Crossing Detector Single Direction
$27.40The CIRCUITRON DT-3 Single Direction Grade Crossing Detection Circuit utilizes our proven OptoElectronic Detection and will provide accurate grade crossing action for a single locomotive or a 100 car train. There are absolutely no modifications to... -
Atlas 70 000 060 - Universal Cable Connector - Multi Scale
$3.80Signal System Accessories SCB Interconnect Cable Connector -
Atlas 70 000 047 - Interlock Control Module - Multi Scale
$28.43This module adds the advanced capability of route-based signaling to the All Scales Signal System. The ICM serves as an interface between Atlas Universal Signal Control Boards and a turnout, reporting the turnout position and setting the proper aspects... -
Atlas 70 000 046 - Universal Signal Control Board - Multi Scale
$24.49The Atlas Universal Signal Control Board is the heart of the All-Scales Signal System circuitry. This plug-and-play system supports both common-anode or common-cathode signals giving you the capability of modeling a variety of different prototypical...