This Harmony 9001K modular red push button with full protection has 2 positions, works with spring return. It has 1 x normally closed contact and fits in a 30mm hole. It is supplied with a switching element and has screw terminals. This push button with full protection offers an ergonomic surface for controlling your machines. It can be easily installed in a standard 30mm diameter panel cut-out and connected to control circuits using classic screw terminal connections. The wiring diagram is clearly distinguishable thanks to clear colors and minimizes errors during initial wiring and subsequent maintenance work. Thanks to its IP66 protection rating, it is shockproof, dustproof, waterproof and vibration-resistant, making it ideal for use in harsh environments.