This Easy Harmony XB2 modular 40mm emergency switch off mushroom yellow push button head operates with a push-pull mechanism. This emergency shutdown button, also called EMO (Emergency Off), is ideal for situations where quick actions are required for a process or machine to function correctly or where operator movements require maximum ergonomy. 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. It is vibration, high pressure washer and dust resistant thanks to its IP65 protection, making it ideal for operation in harsh environments.