Replacement actuator/RK device (roller plunger, roller - thermoplastic) for position switch type IN73/MN78-...RKThe 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 8 approach directions. After turning, the actuating device must be reattached to the housing by pressing the clip.