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800-9201 OS-1 Opto-Sensor (Pkg. 1).

800-9201 OS-1 Opto-Sensor (Pkg. 1)

SKU: TOR9201
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These are the same parts provided with all of CIRCUITRON’ s Detection and Reversing Circuits.  They may be used for replacements if the originals become damaged. They may also be used to extend detection to sidings and spurs.