It is applied to the switch point which allows it to be operated remotely in the electric mode. In the most usual type it is made up of a fixed metal box, parallel to the chassis of the switch blade. From the side of the track point out four rods, two maneuvering and two control, connected to the end of the switch blade. It has an electric motor capable of rotating in either direction, making possible the two maneuvers of the switch point, from the correct track position (normal) to deviated (reverse) and viceversa
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