The Werma 641.400.00 is a clear (colorless) permanent light element from the KombiSIGN 71 series, used to create continuous, highly visible light signals in industrial tower systems. Its transparent dome allows the color of the inserted bulb to define the output color, providing maximum flexibility. Designed with a 70 mm diameter lens and equipped with a BA15d socket (bulb not included), this unit supports a wide voltage range from 12 to 230 VAC/DC. Built with robust polycarbonate housing and rated IP65, it ensures high durability in dusty, humid, and vibration-prone environments. The twist-lock mechanism allows for effortless integration into stackable light columns in control cabinets, production lines, and safety systems. Key Features: • Clear/transparent permanent light element for KombiSIGN 71 • Ø70 mm dome lens for customizable light color (bulb-dependent) • BA15d filament bulb socket (max 5 W) • Voltage range: 12–230 VAC/DC • IP65 protection – water and dust resistant • Modular design with twist-lock installation • Ideal for industrial signaling and visual alerts • Operating temperature: –20 °C to +50 °C