This Harmony XB4, emergency stop / shutdown 60mm mushroom head monolithic red push button operates with a latched push-pull mechanism. This emergency stop / shutdown button head also called EMS (Emergency Machine Stop) and EMO (Emergency Off) provides an ergonomic interface for controlling your machines. It is easily installed on compatible complete emergency stop and switching off pushbuttons. It is clearly distinguishable visually at a distance thanks to a clear color and a prominent 60mm mushroom shape. It is impact resistant, dust resistant, water resistant and vibration resistant thanks to its IP66. It has a metal bezel, this makes it Ideal for applications requiring high impact and vibration resistance. 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 -40C to 70C 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.