Edwards Signaling 2551F Intelligent Photoelectric Fire Detector Head for Fire Alarm Systems

Edwards Signaling · Fire & Life Safety

Description  The Edwards Signaling 2551F is a photoelectric fire detector head designed to provide reliable smoke detection for intelligent fire alarm systems. Manufactured by Edwards Signaling, the 2551F utilizes photoelectric sensing technology to detect visible smoke particles, helping deliver early fire detection while minimizing nuisance alarms in commercial and institutional facilities.     Technical Specifications  Condition New/Never Used Surplus Brand Edwards Signaling Category Fire Alarm Systems Part Number 2551F Subcategory Photoelectric Fire Detector Head Detector Type Intelligent Photoelectric Smoke Detector Head Sensing Technology Photoelectric Installation Plug-In Detector Head Operating Voltage 15–30 VDC Standby Current 45 µA Alarm Current 18 mA Sensitivity Range 1.1%–3.5% Obscuration per Foot Relative Humidity Up to 93% Non-Condensing Application Commercial and Institutional Fire Alarm Systems Compatibility Edwards Signaling Intelligent Fire Alarm Systems Weight 0.52 lb (0.24 kg)     Information About 2551F The 2551F is an intelligent photoelectric detector head developed for compatibility with Edwards Signaling fire alarm systems. It employs advanced optical sensing technology to identify smoke generated by smoldering fires while maintaining stable performance in a variety of indoor environments. The detector installs as a plug-in sensor head on compatible detector bases, simplifying maintenance and replacement procedures. Designed for life safety applications, it provides dependable smoke detection for office buildings, educational facilities, healthcare environments, and commercial properties. Key Features: Photoelectric Detection Technology: Detects visible smoke particles for early fire identification. Intelligent Detector Head: Designed for use with compatible Edwards Signaling intelligent fire alarm systems. Plug-In Design: Allows quick installation, replacement, and routine maintenance. Stable Smoke Detection: Helps reduce nuisance alarms while maintaining dependable performance. Low Power Consumption: Supports efficient operation within intelligent fire alarm networks. Commercial Compatibility: Suitable for offices, schools, healthcare facilities, and commercial buildings. Compact Construction: Integrates easily into compatible detector bases without additional hardware. Reliable Life Safety Performance: Designed for continuous fire detection in monitored facilities. The 2551F delivers the reliability and precision required for intelligent smoke detection and commercial fire alarm system protection.

Brand: Edwards Signaling · Category: Fire & Life Safety

Key features

• Photoelectric Detection Technology: Detects visible smoke particles for early fire identification.
• Intelligent Detector Head: Designed for use with compatible Edwards Signaling intelligent fire alarm systems.
• Plug-In Design: Allows quick installation, replacement, and routine maintenance.
• Stable Smoke Detection: Helps reduce nuisance alarms while maintaining dependable performance.
• Low Power Consumption: Supports efficient operation within intelligent fire alarm networks.
• Commercial Compatibility: Suitable for offices, schools, healthcare facilities, and commercial buildings.
• Compact Construction: Integrates easily into compatible detector bases without additional hardware.
• Reliable Life Safety Performance: Designed for continuous fire detection in monitored facilities.

Specifications

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