The Werma 140.150.50 is a powerful 32-tone electronic sounder designed to deliver high-intensity acoustic alerts in demanding industrial applications. Operating across a wide 9–28 VDC voltage range, this sounder is highly adaptable to both mobile and stationary systems using DC power. It emits a sound pressure level of up to 115 dB (A) at 1 meter, ensuring maximum audibility even in high-noise environments such as production lines, heavy machinery areas, or outdoor installations. The unit features 32 user-selectable tones, offering full flexibility in distinguishing alerts for different scenarios or urgency levels. Engineered with a rugged red housing and IP65 protection, it’s suitable for both indoor and outdoor use. External tone control allows selection between two tones remotely via voltage-free contact, providing greater control in automated systems. Key Features: • 32 selectable tones – configured via DIP switches • High output: up to 115 dB (A) at 1 meter • Wide voltage range: 9–28 VDC – supports diverse DC systems • IP65-rated red housing – weather-resistant for outdoor/indoor use • Wall-mount design with screw terminal connection • External tone selection – remote switching between 2 tones • Ideal for loud industrial sites, safety alerts, fire alarm systems, and mobile equipment