The 9M50 magnetic proximity switch fits D-shaped grooves in air cylinders, and can be inserted anywhere along the barrel, rotated, and locked into place. It is fully encapsulated and comes in reed and electronic styles in either NPN or PNP. Reed versions are available from 5 to 120 Vac/dc. Normally closed versions also available. Standard wire lengths include 3-m wire leads, or optional 8-mm quick-connectors. Female connector mating cords are available.