Siemens FDS226 RR Sounder beacon in red housing with red LED

The Siemens FDS226 RR Sounder beacon in red housing with red LED is an addressable wall-mounted sounder beacon featuring a red housing and red LED strobe designed for high-impact audio-visual evacuation alerts. Engineered by Siemens for seamless integration with Cerberus PRO and Desigo fire alarm control panels on FDnet and C-NET loops, it draws both operating power and digital communication directly from the two-wire line without auxiliary power supplies. The device delivers synchronized acoustic signaling up to 99 dB(A) with 11 panel-selectable tones and 2 sound levels, paired with a high-efficiency red LED beacon for clear visual notification. Equipped with a built-in short-circuit isolator to protect loop continuity during wiring faults, low quiescent current consumption to maximize device loading, and durable surface-mount construction, it provides a highly reliable life safety notification solution for commercial offices, healthcare facilities, hotels, and industrial sites.