Replacement actuator/AHGU RO50 device (swivel lever, metal lever with rubber roller/lever adjustable in 15° increments) for position switch type IN73/MN78 AHGU RO50. The actuating device can be approached from 2 sides. By pulling the clip, it is possible to rotate the actuating device in 45° increments. This results in a total of 16 approach directions. After turning, the actuating device must be reattached to the housing by pressing the clip.