Schneider Electric ZB4BV05 Pilot light head, metal, orange, Ø22, plain lens for BA9s bulb. This Harmony XB4, plain lens orange head for pilot light is supplied with BA9s base. This head with BA9s base pilot light is designed to last without maintenance for a bright indicator of process and machine operations. It is clearly distinguishable visually at a distance thanks to a clear color of len, enabling complex machine statuses to be read at a glance. 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. Official Schneider characteristics include Range of product: Harmony XB4; Product or component type: Head for pilot light; Product compatibility: BA 9s; Device short name: ZB4; Bezel material: Chromium plated metal; Mounting diameter: 22 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.