This Harmony XB5, general safe stop 40mm mushroom black head operates with latched turn to release mechanism. This 40mm mushroom shaped push-button head is used as general safe-stop head, ideal for situations where quick actions are required for a process or machine to to function correctly. It is easily combined with Harmony range of contact blocks to perform a large variety of control functions. It is clearly distinguishable visually at a distance thanks to a prominent 40mm mushroom shape. It is impact resistant, dust resistant, water resistant and vibration resistant thanks to its IP66. It has a plastic bezel, this makes it ideal for applications requiring good resistance to chemical agents and/or double electrical insulation. It is designed to fit in a standard 22mm cutout, ensuring compatibility when installing in pre-existing machinery. Its wide range of operating temperatures from -40°C to 70°C allows versatility in usage of product. Its highly ergonomic mushroom push-button shape, makes it ideal for use in area where operator wear thick gloves or where users have impaired movements.