Autocall A4098-9755 Fire Alarm Duct Smoke Detector - The A4098-9755 is a high-precision duct smoke detection unit engineered to identify combustion particles within HVAC systems. This device provides reliable, rapid response smoke sensing to help maintain life-safety standards in commercial and industrial fire alarm networks. - Operating voltage: 24V DC - Detection type: Photoelectric smoke sensing - Air velocity range: 300 to 4000 FPM - Operating temperature: 32°F to 122°F - Housing rating: NEMA 1 enclosure

Building on the legacy of previous Autocall generations, this current model streamlines installation processes while maintaining the rigorous sensitivity required for modern life-safety compliance. Compared to older, less responsive legacy detectors, this unit provides enhanced stability against environmental noise and false alarms caused by airborne dust or pressure fluctuations in ductwork.

Advanced Detection Engineering and System Integration

The A4098-9755 utilizes state-of-the-art photoelectric technology to ensure consistent performance across diverse building environments. Its intelligent sensing chamber is specifically tuned to differentiate between actual smoke hazards and common duct contaminants, significantly reducing unnecessary system maintenance. Designed for seamless integration into existing fire alarm control panels, this detector maintains strict adherence to NFPA standards and local building codes, ensuring that your facility remains protected by industry-leading fire safety technology.