The Werma 641.100.00 is a base element with a built-in acoustic buzzer for the KombiSIGN 71 modular signal tower system. It serves as the foundation for stacking multiple LED or optical elements, while simultaneously providing audible alerts up to 80 dB(A) at 1 meter, suitable for general-purpose warning signals. Operating at 24 VAC/DC, this unit features a surface-mount base with a screw terminal block for fast and secure installation. It is ideal for industrial environments requiring both visual and acoustic signaling in a compact, modular form. Its sturdy design supports reliable long-term operation and flexible configuration with other KombiSIGN 71 components. Key Features: • Base module for KombiSIGN 71 with integrated buzzer • Acoustic signal output: approx. 80 dB(A) at 1 m • Operating voltage: 24 VAC/DC • Terminal block connection for easy wiring • Surface mount base for stable installation • Compatible with all KombiSIGN 71 LED and optical elements • Durable and maintenance-free design • Ideal for machines, control panels, and assembly lines requiring both visual and audible signals