The Werma 640.820.00 is a green LED signaling element designed for integration into the KombiSIGN 71 stack light system. It provides a continuous illumination mode using energy-efficient LED technology and is built for reliable performance in demanding industrial applications. Operating at 24 VAC/DC, this module is ideal for indicating normal machine status, operational readiness, or system availability. It features a plug-and-play modular design, allowing fast and tool-free installation into any KombiSIGN 71 tower. The robust LED construction ensures a long operating life with minimal maintenance requirements. Key Features: • Green LED continuous light module for KombiSIGN 71 • Operating voltage: 24 VAC/DC • Bright and uniform light output for status indication • Maintenance-free LED with long service life • Easy plug-in integration into signal towers • Suitable for machine status, automation processes, and safety alerts • Compatible with all standard KombiSIGN 71 bases and elements