EST Edwards 2551F Fire Alarm Smoke Detector Head - This high-performance sensor head provides reliable fire detection for mission-critical life safety systems. - Operating Voltage: 15 to 30 VDC - Standby Current: 45 µA - Alarm Current: 18 mA - Sensitivity Range: 1.1% to 3.5% per foot - Environmental Rating: Up to 93% relative humidity

Engineered to outperform standard detection units, the 2551F offers enhanced stability and reduced false alarm triggers compared to legacy smoke sensing hardware. Its modern architecture integrates seamlessly into existing Edwards fire panels, ensuring a more responsive and precise detection cycle than previous generation models.

Advanced Sensing and System Integrity

The 2551F utilizes sophisticated onboard processing to distinguish between hazardous smoke particles and common non-emergency airborne debris. By maintaining tighter environmental tolerances, this detector head reduces maintenance overhead while significantly increasing the reliability of your building's fire safety infrastructure.