Schneider Electric ZB4BW653 orange Ø40 illum mushroom pushbutton head Ø22 latching for integral LED. This Harmony XB4, illuminated 40mm mushroom orange button head operates with a latched push-pull mechanism. This illuminated 40mm mushroom shape push button head for integral LED is ideal for situations where quick actions are required for a process or machine to function correctly or where operator movements require maximum ergonomy. It is easily combined with Harmony range of contact blocks to perform a large variety of control functions. It is clearly distinguishable visually at a distance thanks to its illuminated head. 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 -40°C to 70°C allows versatility in usage of product. The clear boot prevents growth of bacteria in joints and gaps, it makes this product ideal for high hygiene environments. 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. Official Schneider characteristics include Range of product: Harmony XB4; Product or component type: Head for illuminated push-button; Device short name: ZB4; Product compatibility: Universal LED; Bezel material: Chromium plated metal; Head type: Standard; Mounting diameter: 22.5 mm; Sale per indivisible quantity: 1. Harmony XB4 devices use a chromium-plated metal bezel and are designed for robust panel operation where clear manual control, indication or machine safety interfaces are required.