Inexpensive Nitra solid-state electronic switches for air cylinders are available in NO 3-wire DC PNP and NPN configurations.
Nine styles include round, T-slot, square, D-shaped, and dovetail (additional accessories accommodate larger dovetail slots). Connection options are M8 wiring connector or 3-meter integral cable with wire leads. Mounting bands with adapters for round-body cylinders are available for sizes from ⅛ to 4 in.
Automation Direct, (770) 889-7876, www.automationdirect.com