This Harmony XB7, Emergency stop 40mm mushroom head monolithic red push button operates with a latched-turn-to-release mechanism and screw clamp terminals. This emergency stop is easily installed into a standard 22mm diameter cut-outs and connected with simple screw-clamp connections. It is clearly distinguishable visually at a distance thanks to a clear color and a prominent 40mm mushroom shape. 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 -25C to 70C allows versatility in usage of product.