Schneider Electric ZB4BB2 black joystick controller head Ø22 omnidirectional spring return. This Harmony XB4, black head operates with omnidirectional and spring return / impulse mechanism. This wobble stick head provides an ergonomic interface for controlling your machines. It is easily installed and replaced on compatible omnidirectional controllers. It is impact resistant, dust resistant, water resistant and vibration resistant thanks to its IP66. It has a plastic bezel, this makes it ideal for applications requiring good resistance to chemical agents and/or double electrical insulation. 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 joystick controller; Device short name: ZB4; Bezel material: Chromium plated metal; Mounting diameter: 22 mm; Head type: Standard; Sale per indivisible quantity: 1; Shape of signaling unit head: Round. 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.