This modular red push button with full protection Harmony 9001K has 2 positions and operates with spring return. It features 1 normally open contact and fits into a 30 mm hole. The push button comes with a switching element and has screw terminals. It offers an ergonomic surface for controlling your machines and can be easily installed in a standard 30 mm diameter panel cutout. The circuit diagram is clearly distinguishable by color, minimizing errors during initial wiring and later maintenance work. With its IP66 protection rating, it is shock-resistant, dust-tight, waterproof, and vibration-resistant, making it ideal for use in harsh environments.