This Harmony XA2 modular illuminated flush green push button operates with a spring return / impulse mechanism. It has a metal bezel. This illuminated push button with integral LED provides an ergonomic and visual 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. It is clearly distinguishable visually at a distance thanks to its illuminated head and clear color. It is impact resistant, dust resistant, water resistant and vibration resistant thanks to its IP65, making it ideal for operation in harsh environments.