The Werma 641.500.00 is a blue permanent light element from the modular KombiSIGN 71 series, designed for visual signaling in industrial automation, machinery, and safety systems. It features a robust Ø70 mm blue polycarbonate dome lens and a BA15d socket for filament bulbs up to 5 W (bulb not included). Supporting a universal voltage range of 12–230 VAC/DC, the module delivers reliable continuous illumination even under challenging environmental conditions. Its IP65 rating ensures full protection against dust and water jets. The element connects seamlessly into a stack light system via the KombiSIGN twist-lock mechanism, making it quick to install and easy to reconfigure. Key Features: • Blue permanent beacon for KombiSIGN 71 stack light towers • Ø70 mm housing with BA15d socket (bulb not included) • Wide operating voltage: 12–230 VAC/DC • IP65-rated for dust and water protection • High-impact blue polycarbonate lens • Shock and vibration resistant • Temperature range: –20 °C to +50 °C • Twist-lock modular assembly for easy integration