Circuitron 800-5606 TC-2 Turnout Direction Alternator Switch Machine The CIRCUITRON BD-2 is a

The CIRCUITRON BD-2 is a very sensitive

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Circuitron 800-5606 TC-2 Turnout Direction Alternator Switch Machine The CIRCUITRON BD-2 is aCircuitron 800 5606 TC 2 Turnout Direction Alternator Circuitron Electronics for Model Railroads Automatically alternates turnout direction when used with DT 4. Sends momentary pulse to one coil of the switch machine, throwing the turnout in one direction. Next activation throws it in the other direction. Allows train to travel alternate routes automatically. Requires 10 18V AC or DC input.