This Easy Harmony XB2 modular 40mm emergency stop mushroom red push button head operates with a latched turn to release mechanism. This emergency stop / shutdown button, also called EMS (Emergency Machine Stop) and EMO (Emergency Off), is clearly distinguishable visually at a distance thanks to a clear color and a prominent mushroom shape. This push button head provides a classic interface for controlling your machines. It is easily installed and replaced on compatible complete push button units and contact blocks. It has a metal bezel, this makes it Ideal for applications requiring high impact and vibration resistance. It is easily installed into standard 22mm diameter panel cut-outs, ensuring compatibility when installing in pre-existing machinery. It is dust resistant and water resistant resistant thanks to its IP65, making it ideal for operation in harsh environments. Its wide range of operating temperatures from -25°C to 70°C allows versatility in usage of product.