Fire-Lite SD355 Fire Alarm Smoke Detector Head
Fire-Lite SD355 Fire Alarm Smoke Detector Head
Condition: Used
[Standard Used Item Notes] This item is USED. Only the components visible in the photographs or explicitly mentioned in the listing are included. Peripheral accessories (such as keys, bases, mounting hardware, etc.) are not included unless otherwise stated. The item in the photograph may not be the exact one you receive; however, we strive to portray the average condition of all items accurately. Please carefully review this listing and its photos to assess the condition and contents. If you have any questions or require additional details, feel free to message us, and we will be happy to assist you.
143 in stock
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Fire-Lite SD355 Fire Alarm Smoke Detector Head - This addressable plug-in sensor provides rapid, reliable detection for life-safety systems. - Operating voltage range of 15 to 32 VDC for broad system compatibility - Low standby current of 300 µA ensures energy-efficient operation - Wide sensitivity range of 0.5% to 4.0% per foot for precise environmental monitoring - Operating temperature capacity from 32°F to 122°F to suit various facility conditions - Compact 2.1-inch height to maintain a low-profile installation appearance
Compared to legacy analog devices, the SD355 utilizes advanced communication protocols that allow for faster response times and reduced false alarms. This modern unit builds upon established design standards, providing a seamless upgrade path for facilities looking to improve their current fire detection infrastructure without replacing the entire control panel ecosystem.
Advanced Detection Engineering
The SD355 integrates cutting-edge photoelectric sensing technology to identify combustion particles with high accuracy. Its sophisticated onboard microprocessor continuously monitors environmental data, effectively filtering out transient noise to maintain a stable, reliable alert threshold in complex commercial environments.
Optimized System Performance
Designed for professional-grade life safety, this detector head features dual-color LEDs that provide clear, 360-degree visibility for status indication. The streamlined communication loop ensures that the fire alarm control panel receives real-time diagnostic information, enabling faster maintenance cycles and enhanced site-wide awareness for building operators.
This item description was generated using artificial intelligence and may contain errors. Specifications and compatibility should always be verified using official manufacturer documentation and, where applicable, by a qualified or licensed fire alarm technician.
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We specialize in new, used, and surplus fire alarm and life-safety equipment. Our inventory includes control panels, modules, power supplies, annunciators, detectors, and related accessories from leading manufacturers. Listings reflect current, in-stock availability and are updated regularly. Orders ship quickly and are packed with care.
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