Schneider Electric ZB4BA73133 green flush/red projecting/green flush triple-headed pushbutton Ø22 with marking. This Harmony XB4, triple head has 1 red and 2 green buttons, operates with a spring return / impulse mechanism. It is marked with "left arrow", "STOP" and "right arrow" symbols. This 3-function head provides a complete 3 button interface to your machines with a single panel cut-out. It is easily installed into a standard 22mm diameter cut-outs and assembled with a collar and contact blocks to fulfill a large variety of functions. It is impact resistant, dust resistant, water resistant and vibration resistant thanks to its IP66 and IP69K. 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 -25°C to 70°C allows versatility in usage of product. Official Schneider characteristics include Range of product: Harmony XB4; Product or component type: Head for triple-headed push-button; Device short name: ZB4; Bezel material: Chromium plated metal; Mounting diameter: 22 mm; Sale per indivisible quantity: 1; Head type: Standard; Shape of signaling unit head: Rectangular. 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.