The stand-out characteristic of installation part M 11 40 is the time-saving installation. The lower section of the housing is attached with two screws, the upper section of the housing is broken off at the desired position for the cable, the magnetic switch or magnet is inserted into the lower section and the upper section of the housing is clipped onto the lower section. For recess mount MC and magnets with the dimensions ø 6 mm x 30 mm.