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 30 mm mushroom shape. It is impact-resistant, dust-resistant, water-resistant and vibration-resistant thanks to its IP66, making it ideal for operation in harsh environments.