This Harmony 9001SK, modular black push button with light block has an octagonal shape. It has a double insulated plastic bezel. It is easily installed into a standard 30mm diameter panel cut-outs and easily connected with control circuits. Its schematic is clearly distinguishable thanks to clear colors, minimizing errors during initial wiring and later maintenance operations. It is impact resistant, dust resistant, water resistant and vibration resistant thanks to its IP64, making it ideal for operation in harsh environments. Impact and corrosion resistant plastic body ensures product continues to operate even after severe accidents.