{"product_id":"edwards-signaling-2551f-detector-head-responsive-support","title":"Edwards Signaling 2551F Intelligent Photoelectric Fire Detector Head for Fire Alarm Systems","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-start=\"20\" data-end=\"498\" class=\"PDq2pG_selectionAnchorContainer\"\u003eThe 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.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable style=\"width: 100%; height: 313.501px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.7018%;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.079%;\"\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.7018%;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.079%;\"\u003eEdwards Signaling\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.7018%;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.079%;\"\u003eFire Alarm Systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.7018%;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.079%;\"\u003e2551F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.7018%;\"\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.079%;\"\u003ePhotoelectric Fire Detector Head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.7018%;\"\u003e\u003cstrong\u003eDetector Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.079%;\"\u003eIntelligent Photoelectric Smoke Detector Head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.7018%;\"\u003e\u003cstrong\u003eSensing Technology\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.079%;\"\u003ePhotoelectric\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.7018%;\"\u003e\u003cstrong\u003eInstallation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.079%;\"\u003ePlug-In Detector Head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.7018%;\"\u003e\u003cstrong\u003eOperating Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.079%;\"\u003e15–30 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.7018%;\"\u003e\u003cstrong\u003eStandby Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.079%;\"\u003e45 µA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.7018%;\"\u003e\u003cstrong\u003eAlarm Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.079%;\"\u003e18 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.7018%;\"\u003e\u003cstrong\u003eSensitivity Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.079%;\"\u003e1.1%–3.5% Obscuration per Foot\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.7018%;\"\u003e\u003cstrong\u003eRelative Humidity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.079%;\"\u003eUp to 93% Non-Condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.7018%;\"\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.079%;\"\u003eCommercial and Institutional Fire Alarm Systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.7018%;\"\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.079%;\"\u003eEdwards Signaling Intelligent Fire Alarm Systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 30.7018%;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.079%;\"\u003e0.52 lb (0.24 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eInformation About \u003cspan data-sheets-root=\"1\"\u003e2551F\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp data-start=\"503\" data-end=\"1065\"\u003e\u003cmeta charset=\"utf-8\"\u003eThe 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.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong data-start=\"1085\" data-end=\"1102\"\u003eKey Features:\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1341\" data-end=\"2149\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1163\" data-end=\"1902\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1105\" data-end=\"1885\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1126\" data-end=\"1911\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1221\" data-end=\"1962\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1145\" data-end=\"1838\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1060\" data-end=\"1738\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1152\" data-end=\"1867\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1139\" data-end=\"1929\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1227\" data-end=\"1992\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1152\" data-end=\"1948\"\u003e\n\u003cli data-section-id=\"sp045u\" data-start=\"1152\" data-end=\"1252\"\u003ePhotoelectric Detection Technology: Detects visible smoke particles for early fire identification.\u003c\/li\u003e\n\u003cli data-section-id=\"15vob2o\" data-start=\"1253\" data-end=\"1364\"\u003eIntelligent Detector Head: Designed for use with compatible Edwards Signaling intelligent fire alarm systems.\u003c\/li\u003e\n\u003cli data-section-id=\"a8mc8f\" data-start=\"1365\" data-end=\"1447\"\u003ePlug-In Design: Allows quick installation, replacement, and routine maintenance.\u003c\/li\u003e\n\u003cli data-section-id=\"1u7g5d\" data-start=\"1448\" data-end=\"1544\"\u003eStable Smoke Detection: Helps reduce nuisance alarms while maintaining dependable performance.\u003c\/li\u003e\n\u003cli data-section-id=\"iuj2li\" data-start=\"1545\" data-end=\"1638\"\u003eLow Power Consumption: Supports efficient operation within intelligent fire alarm networks.\u003c\/li\u003e\n\u003cli data-section-id=\"1di5gxw\" data-start=\"1639\" data-end=\"1746\"\u003eCommercial Compatibility: Suitable for offices, schools, healthcare facilities, and commercial buildings.\u003c\/li\u003e\n\u003cli data-section-id=\"1f1twzk\" data-start=\"1747\" data-end=\"1848\"\u003eCompact Construction: Integrates easily into compatible detector bases without additional hardware.\u003c\/li\u003e\n\u003cli data-section-id=\"jkrazh\" data-start=\"1849\" data-end=\"1948\"\u003eReliable Life Safety Performance: Designed for continuous fire detection in monitored facilities.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1950\" data-end=\"2088\"\u003eThe 2551F delivers the reliability and precision required for intelligent smoke detection and commercial fire alarm system protection.\u003c\/p\u003e","brand":"Edwards Signaling","offers":[{"title":"Default Title","offer_id":52030726308138,"sku":"2551F","price":325.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0392\/4266\/files\/2251-2_e502bced-9307-4600-9ad9-9f6adf02795c.jpg?v=1783001505","url":"https:\/\/iqelectro.com\/products\/edwards-signaling-2551f-detector-head-responsive-support","provider":"IQElectro","version":"1.0","type":"link"}