This Harmony 9001K modular black flush push button with full guard is a 2 position, spring return type switch. It has 1 x normally open contact and fits into a 30mm hole. It is supplied with a switch element and has screw terminals. This push button with full guard provides an ergonomic surface for controlling 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 wiring diagram is clearly distinguishable using clear colors, minimizing errors during initial wiring and subsequent maintenance. Thanks to its IP66 protection rating, it is shockproof, dustproof, waterproof and vibration resistant, making it ideal for use in harsh environments.