The NITRA line now includes nine styles of position switches for pneumatic cylinders, including round, dovetail, T-slot, square, and D-shaped. Also available are additional dovetail accessories to accommodate larger dovetail slots. The solid-state electronic switches come in normally open three-wire dc pnp and npn configurations, and can be purchased with an M8 wiring connector or 3-m integral cable with wire leads. Mounting bands with adapters for round body cylinders come in  1/8 to 4-in. sizes.
AutomationDirect, 800.633.0405 www.automationdirect.com/cylinder-switches