Kidde-Fenwal PSD-7155 Fire Alarm Photoelectric Smoke Detector Head provides reliable, high-sensitivity fire detection for commercial life-safety systems. This advanced sensing unit utilizes photoelectric technology to offer rapid response times while minimizing false alarms in diverse environments.

- Operating voltage range: 15.0-32.0 VDC

- Standby current draw: 300 µA at 24 VDC

- Sensitivity range: 0.5% to 4.0% per foot obscuration

- Operating temperature: 32°F to 158°F

- Mounting compatibility: Standard Kidde-Fenwal detector bases

The PSD-7155 represents a robust evolution in smoke detection, building upon traditional sensing architectures to provide enhanced stability and reduced maintenance requirements. By integrating sophisticated signal processing, this detector head outperforms legacy models in distinguishing between hazardous smoke particles and common non-emergency airborne particulates, ensuring a more reliable alert profile for critical infrastructure.

Advanced Detection Engineering and Operational Efficiency

Engineered for precision, this photoelectric detector head utilizes a specialized optical chamber designed to capture smoke signatures accurately across a wide range of combustion types. Its high-performance circuitry ensures seamless integration with existing fire alarm control panels, providing facilities managers with a dependable tool for life-safety compliance. The streamlined, low-profile design facilitates easy installation and field servicing, making it an essential component for maintaining high standards of building safety and incident response.