Harmony XB7 flush monolithic black push-button operates with a spring return / impulse mechanism and uses screw-clamp terminals. This single component flush push-button provides an ergonomic interface for controlling your machines. It is easily installed into a standard 22mm diameter panel cut-outs and connected to control circuits with classic screw-clamp connections. Its schematic is clearly distinguishable with clear colours and markings, minimizing errors during initial wiring and later maintenance operations. It is IP65 impact resistant, dust resistant, water resistant and vibration resistant.