From Manufacturer Website:
Atlas Switch Machines are made to convert manual Code 100 Snap Switch turnouts to remote control. These solenoid turnout motors are available for several Atlas turnouts as well as under-table versions. Control Box 150-56 (sold separately) allows use of standard three-wire wiring, and other single-pole, double-throw momentary electrical switches may be used (not included). Switch Machines are part of the line of Atlas HO Scale Code 100 track.
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