This Harmony 9001K modular illuminated flush red push button comes with a full guard. It has a protective collar and comes with an integrated 24VAC/dc LED and has 1 x normally closed + 1 x normally open contacts. It fits into a 30mm hole. This illuminated push button with integrated LED and full guard provides an ergonomic and visual interface to control your machines. It is easy to install in a standard 30mm diameter panel cut-out and connects to control circuits using classic screw terminal connections. The illuminated head and clear color make it visually clear from a distance. Thanks to its IP66 protection rating, it is shockproof, dustproof, waterproof and vibration resistant, making it ideal for use in harsh environments.