The Werma 640.830.00 is a yellow LED continuous-light module developed for seamless integration into the KombiSIGN 71 stack light system. Operating on 24 VAC/DC, this element provides a bright and consistent yellow light, commonly used to indicate caution, changeover phases, or machine standby states. The unit features LED technology for low power consumption and a long service life, making it ideal for continuous use in industrial environments. Its plug-in modular design allows for quick installation without tools, ensuring flexible configuration of stack lights to meet application-specific requirements. Key Features: • Yellow LED module for KombiSIGN 71 with continuous light output • Operating voltage: 24 VAC/DC • Bright and highly visible yellow signal for process awareness • Modular plug-in design – no tools required • Maintenance-free operation using durable LED components • Long service life and energy efficiency • Ideal for machine standby, warnings, and caution indicators • Fully compatible with all KombiSIGN 71 elements and bases