Schneider Electric XB4BW33M5 Illuminated push button, metal, flush, green, Ø22, spring return, 230...240 V AC, 1 NO + 1 NC. This Harmony XB4 illuminated modular green push button operates with a spring return mechanism, is supplied with 220V to 240V AC, uses an integral LED. It has a metal bezel. This illuminated push button provides an ergonomic and visual interface for controlling your machines. It is easily installed into standard 22mm diameter panel cut-outs and connected to control circuits with classic screw-clamp connections. It is clearly distinguishable visually at a distance thanks to a bright and long lasting LED illumination. 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. Official Schneider characteristics include Range of product: Harmony XB4; Product or component type: Illuminated push-button; Device short name: XB4; Bezel material: Chromium plated metal; Fixing collar material: Zamak; Mounting diameter: 22.5 mm; Sale per indivisible quantity: 1; Head type: Standard. 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.