This Harmony XB5 emergency stop mushroom head modular push button operates with a latched-turn-to-release mechanism. It has a plastic bezel and is supplied with a red mushroom diameter 40 mm, unmarked. It features 1 x NC slow break contact and screw-clamp terminals connection type. It is clearly distinguishable visually at a distance thanks to a clear color and a prominent 40mm mushroom shape. It is easily installed into a standard 22mm diameter panel cut-out. It is impact resistant, dust resistant, water resistant and vibration resistant thanks to its IP66 / IP67 / IP69 / IP69K, making it ideal for operation in harsh environments. It weighs 60g. Its plastic bezel makes it ideal for applications requiring good resistance to chemical agents and/or double electrical insulation.