This Harmony XB7, monolithic black push button marked with a "Down arrow" symbol operates with a spring return / impulse mechanism and screw clamp terminals. It is easily installed into standard 22mm diameter panel cut-outs and connected to control circuits with classic screw-clamp connections. Its schematic is clearly distinguishable thanks to clear colors and markings, minimizing errors during initial wiring and later maintenance operations. It is impact resistant, dust resistant, water resistant and vibration resistant thanks to its IP65, making it ideal for operation in harsh environments. It has a double insulated plastic bezel. Its wide range of operating temperatures from -25°C to 70°C allows versatility in usage of product.