{"title":"Fire-Lite Smoke Detectors","description":"\u003cp\u003eAddressable photoelectric, acclimate, and multi-criteria smoke heads for corridor, room, and return-air coverage in commercial and institutional buildings. SD365 covers standard photo, SD365T adds a fixed thermal, SD365R supports remote-test interfaces, and SD365CO combines smoke with carbon-monoxide sensing.\u003c\/p\u003e\u003cp\u003ePlug into the B210LP or B501 base on a Fire-Lite SLC loop with ES-50X, ES-200X, MS-9050UD, MS-9200UDLS, and MS-9600LS panels. Ivory bodies share footprint with AD365 acclimate heads.\u003c\/p\u003e","products":[{"product_id":"fire-lite-sd365-addressable-photoelectric-smoke-detector","title":"Fire-Lite SD365 Addressable Photoelectric Smoke Detector","description":"\u003ch2\u003eFire-Lite SD365 Smoke Detector for Commercial Fire Alarm Systems\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eFire-Lite SD365 Addressable Photoelectric Smoke Detector\u003c\/strong\u003e is an intelligent smoke detector designed for use with compatible Fire-Lite addressable fire alarm control panels. Featuring advanced photoelectric sensing technology and \u003cstrong\u003eLiteSpeed® communication\u003c\/strong\u003e, the SD365 delivers fast, reliable smoke detection while providing accurate point identification for simplified maintenance and alarm reporting.\u003c\/p\u003e\n\n\u003cp\u003eDesigned with a modern low-profile housing and enhanced optical sensing chamber, the SD365 is engineered to detect smoke from a wide range of combustion sources while helping reduce nuisance alarms. The detector communicates over a two-wire Signaling Line Circuit (SLC), making it an excellent choice for new installations, system expansions, and replacement projects in commercial fire alarm systems.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eAddressable photoelectric smoke detector\u003c\/li\u003e\n\u003cli\u003eCompatible with Fire-Lite LiteSpeed® addressable fire alarm control panels\u003c\/li\u003e\n\u003cli\u003eEnhanced optical sensing chamber for dependable smoke detection\u003c\/li\u003e\n\u003cli\u003eTwo-wire Signaling Line Circuit (SLC) connection\u003c\/li\u003e\n\u003cli\u003eRotary decimal address switches for simple device addressing\u003c\/li\u003e\n\u003cli\u003eLow-profile contemporary design\u003c\/li\u003e\n\u003cli\u003eDual LEDs provide 360° visible status indication\u003c\/li\u003e\n\u003cli\u003eBuilt-in tamper-resistant feature\u003c\/li\u003e\n\u003cli\u003eFunctional test switch activated by external magnet\u003c\/li\u003e\n\u003cli\u003eWalk test with address display (LiteSpeed systems)\u003c\/li\u003e\n\u003cli\u003eRemovable cover and insect-resistant screen for easy field cleaning\u003c\/li\u003e\n\u003cli\u003eFactory preset sensitivity for reliable performance\u003c\/li\u003e\n\u003cli\u003eCompatible with multiple intelligent detector bases, including sounder, relay, and isolator bases\u003c\/li\u003e\n\u003cli\u003eUL 268 and UL 268A Listed\u003c\/li\u003e\n\u003cli\u003eBrand-new commercial fire alarm product\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eIdeal Applications\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eCommercial office buildings\u003c\/li\u003e\n\u003cli\u003eSchools and universities\u003c\/li\u003e\n\u003cli\u003eHealthcare facilities\u003c\/li\u003e\n\u003cli\u003eHotels and hospitality\u003c\/li\u003e\n\u003cli\u003eRetail and mixed-use developments\u003c\/li\u003e\n\u003cli\u003eIndustrial facilities\u003c\/li\u003e\n\u003cli\u003eGovernment buildings\u003c\/li\u003e\n\u003cli\u003eCommercial fire alarm system upgrades and replacements\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Choose the Fire-Lite SD365?\u003c\/h2\u003e\n\n\u003cp\u003eThe Fire-Lite SD365 combines intelligent addressable communication with proven photoelectric smoke sensing technology to deliver dependable fire detection for commercial life safety systems. Individual point identification helps maintenance personnel quickly locate devices, simplifying inspections, troubleshooting, and routine service.\u003c\/p\u003e\n\n\u003cp\u003eIts LiteSpeed communication, low standby current, low-profile design, and compatibility with a wide range of intelligent detector bases make the SD365 a popular choice for contractors, system integrators, and facility managers seeking reliable Fire-Lite detection devices.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Fire-Lite\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e SD365\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDevice Type:\u003c\/strong\u003e Addressable Photoelectric Smoke Detector\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommunication Protocol:\u003c\/strong\u003e LiteSpeed®\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Type:\u003c\/strong\u003e Intelligent Addressable Fire Alarm Systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDetection Technology:\u003c\/strong\u003e Photoelectric Smoke Sensing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection:\u003c\/strong\u003e Two-wire Signaling Line Circuit (SLC)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAddressing:\u003c\/strong\u003e Rotary Decimal Address Switches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Voltage:\u003c\/strong\u003e 15–32 VDC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandby Current:\u003c\/strong\u003e 200 μA @ 24 VDC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Current:\u003c\/strong\u003e 4.5 mA @ 24 VDC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e 32°F to 122°F (0°C to 50°C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHumidity:\u003c\/strong\u003e 10%–93% RH, non-condensing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAir Velocity:\u003c\/strong\u003e Up to 4,000 ft.\/min.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eListings:\u003c\/strong\u003e UL 268, UL 268A, ULC Listed, FM Approved\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Commercial Fire Alarm Systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eRelated Search Terms\u003c\/h2\u003e\n\n\u003cp\u003eFire-Lite SD365, SD365, Fire-Lite smoke detector, Fire-Lite addressable smoke detector, LiteSpeed smoke detector, addressable photoelectric smoke detector, Fire-Lite photoelectric detector, intelligent smoke detector, commercial smoke detector, Fire-Lite fire alarm detector, SLC smoke detector, UL 268 smoke detector, commercial fire alarm systems, Fast Alarm Distribution.\u003c\/p\u003e","brand":"Fire-Lite","offers":[{"title":"Default Title","offer_id":49743999140133,"sku":"SD365","price":55.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/7648\/4645\/files\/FL-SD365_alt3.jpg?v=1771509358"},{"product_id":"fire-lite-sd365co","title":"Fire-Lite SD365CO Photoelectric Smoke Detector","description":"\u003cp\u003eFire-Lite SD365CO Photoelectric Smoke Detector.\u003c\/p\u003e\n\u003ch3\u003eCompliance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eUL 268\u003c\/li\u003e\n\u003cli\u003eUL 521\u003c\/li\u003e\n\u003cli\u003eUL 2075\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eUnique ability to detect all four major elements of a fire\u003c\/li\u003e\n\u003cli\u003eSeparate CO detection signal\u003c\/li\u003e\n\u003cli\u003eHighest nuisance alarm immunity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eVerify panel\/device family compatibility before ordering.\u003c\/p\u003e","brand":"Fire-Lite","offers":[{"title":"Default Title","offer_id":52004326441253,"sku":"SD365CO","price":225.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/7648\/4645\/files\/fire-lite-multi-criteria-detectors-default-title-fire-lite-sd365co-smoke-and-carbon-monoxide-detector-31896821367008.jpg?v=1771296721"},{"product_id":"fire-lite-sd365r","title":"Fire-Lite SD365R Photoelectric Smoke Detector","description":"\u003cp\u003eFire-Lite SD365R addressable photoelectric duct smoke detector.\u003c\/p\u003e\n\u003ch3\u003eCompliance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eUL 268 listed\u003c\/li\u003e\n\u003cli\u003eUL 268A listed (duct applications)\u003c\/li\u003e\n\u003cli\u003eNFPA 72 compatible\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePhotoelectric sensing chamber rated for air velocity 0 to 4000 ft.\/min.\u003c\/li\u003e\n\u003cli\u003eOperating temperature -4°F to 158°F (-20°C to 70°C) in duct applications\u003c\/li\u003e\n\u003cli\u003eAlarm current 2 mA at 24 VDC with red LED solid on\u003c\/li\u003e\n\u003cli\u003eRotary dial switches for SLC address assignment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDuct smoke detectors monitor the air moving through HVAC ductwork and initiate shutdown or alarm signals when smoke is present in the airstream. The SD365R uses a photoelectric chamber optimized for duct environments, where airflow velocities and smoke concentrations differ from open-area sensing. It mounts to a duct housing (sold separately) and connects to an addressable SLC panel using LiteSpeed protocol, providing individual point identification at the fire alarm control panel.\u003c\/p\u003e\n\u003cp\u003eVerify panel\/device family compatibility before ordering.\u003c\/p\u003e","brand":"Fire-Lite","offers":[{"title":"Default Title","offer_id":52004329586981,"sku":"SD365R","price":111.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/7648\/4645\/files\/fire-lite-smoke-detectors-default-title-fire-lite-sd365r-photoelectric-smoke-detector-31896819794144.jpg?v=1771296668"},{"product_id":"fire-lite-sd365r-iv","title":"Fire-Lite SD365R-IV Photoelectric Smoke Detector","description":"\u003cp\u003eFire-Lite SD365R-IV addressable photoelectric duct smoke detector in ivory finish.\u003c\/p\u003e\n\u003ch3\u003eCompliance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eUL 268 listed\u003c\/li\u003e\n\u003cli\u003eUL 268A listed (duct applications)\u003c\/li\u003e\n\u003cli\u003eNFPA 72 compatible\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePhotoelectric sensing chamber rated for air velocity 0 to 4000 ft.\/min.\u003c\/li\u003e\n\u003cli\u003eExtended operating temperature -4°F to 158°F (-20°C to 70°C) in duct installations\u003c\/li\u003e\n\u003cli\u003eAlarm current 2 mA at 24 VDC; communicates every 5 seconds with red LED solid on\u003c\/li\u003e\n\u003cli\u003eIvory color finish (-IV suffix) for visual coordination in certain facility environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe SD365R-IV is the ivory-finish variant of the SD365R duct smoke detector. It uses a photoelectric sensing chamber designed for the airflow conditions inside HVAC ductwork, where velocity can reach 4000 ft.\/min. The detector mounts to a compatible duct housing and connects to the Fire-Lite addressable SLC using LiteSpeed protocol. When smoke is detected in the airstream, the panel can trigger HVAC shutdown sequences or initiate building-wide alarm notification as programmed.\u003c\/p\u003e\n\u003cp\u003eVerify panel\/device family compatibility before ordering.\u003c\/p\u003e","brand":"Fire-Lite","offers":[{"title":"Default Title","offer_id":52004337451301,"sku":"SD365R-IV","price":210.11,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/7648\/4645\/files\/fire-lite-smoke-detectors-default-title-fire-lite-sd365r-iv-replacement-duct-smoke-detector-ivory-31896819925216.jpg?v=1771296532"},{"product_id":"fire-lite-ad365-iv","title":"Fire-Lite AD365-IV Smoke Detector","description":"\u003cp\u003eFire-Lite AD365-IV multi-criteria addressable smoke detector in ivory finish.\u003c\/p\u003e\n\u003ch3\u003eCompliance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eUL 268 listed\u003c\/li\u003e\n\u003cli\u003eUL 521 listed\u003c\/li\u003e\n\u003cli\u003eULC S529 listed\u003c\/li\u003e\n\u003cli\u003eFM Approved\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMulti-criteria detection combines photoelectric and thermal sensing for reduced nuisance alarms\u003c\/li\u003e\n\u003cli\u003eSupports both LiteSpeed and CLIP protocols on -IV models\u003c\/li\u003e\n\u003cli\u003eDual LEDs provide 360° alarm visibility\u003c\/li\u003e\n\u003cli\u003eRotary address switches for SLC address assignment\u003c\/li\u003e\n\u003cli\u003eLow standby current; ivory color finish for aesthetic coordination\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMulti-criteria detectors analyze input from multiple sensing technologies simultaneously — in the AD365-IV, photoelectric light-scattering and thermal sensing are combined to distinguish actual fire signatures from cooking smoke, steam, or dust. This approach reduces nuisance alarm rates in areas where single-technology detectors would require frequent investigation. The -IV designation indicates the ivory finish version, and these models support both LiteSpeed and CLIP communication protocols, broadening compatibility across Fire-Lite addressable panel families.\u003c\/p\u003e\n\u003cp\u003eVerify panel\/device family compatibility before ordering.\u003c\/p\u003e","brand":"Fire-Lite","offers":[{"title":"Default Title","offer_id":52004346396965,"sku":"AD365-IV","price":253.21,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/7648\/4645\/files\/fire-lite-multi-criteria-detectors-default-title-fire-lite-ad365-iv-addressable-multi-criteria-photoelectric-31896789352672.jpg?v=1771296415"},{"product_id":"fire-lite-sd365t-iv","title":"Fire-Lite SD365T-IV Photoelectric Smoke Detector","description":"\u003cp\u003eFire-Lite SD365T-IV addressable photoelectric smoke detector with thermal sensor, ivory finish.\u003c\/p\u003e\n\u003ch3\u003eCompliance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eUL 268 listed\u003c\/li\u003e\n\u003cli\u003eUL 521 listed\u003c\/li\u003e\n\u003cli\u003eNFPA 72 compatible\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCombined photoelectric and thermal sensing for dual-technology detection in a single head\u003c\/li\u003e\n\u003cli\u003eRated for air velocity 0 to 4000 ft.\/min. in duct applications\u003c\/li\u003e\n\u003cli\u003eAlarm current 2 mA at 24 VDC; operating voltage 15 to 32 VDC\u003c\/li\u003e\n\u003cli\u003eIvory finish (-IV) for visual coordination in commercial environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe SD365T-IV combines photoelectric smoke sensing and a fixed-temperature thermal element in a single addressable detector head. This dual-technology design provides a secondary confirmation layer — the detector reports an alarm only when both the smoke chamber and thermal element indicate fire conditions, reducing false-positive activations. The T suffix denotes the integral thermal sensor, while the -IV suffix indicates ivory finish. It is compatible with Fire-Lite addressable SLC panels using LiteSpeed protocol, and both UL 268 (smoke) and UL 521 (heat) listings apply.\u003c\/p\u003e\n\u003cp\u003eVerify panel\/device family compatibility before ordering.\u003c\/p\u003e","brand":"Fire-Lite","offers":[{"title":"Default Title","offer_id":52004363272485,"sku":"SD365T-IV","price":221.24,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/7648\/4645\/files\/fire-lite-smoke-detectors-default-title-fire-lite-sd365t-iv-addressable-low-profile-photoelectric-smoke-detector-31896820416736.jpg?v=1771296189"},{"product_id":"fire-lite-ad365","title":"Fire-Lite AD365 Smoke Detector","description":"\u003cp\u003eFire-Lite AD365 addressable multi-criteria smoke detector.\u003c\/p\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMulti-criteria detection combines photoelectric and thermal sensing to reduce nuisance alarms\u003c\/li\u003e\n\u003cli\u003eAddressable on Fire-Lite SLC panels using LiteSpeed and CLIP protocols\u003c\/li\u003e\n\u003cli\u003eDual LED indicators for 360° alarm visibility around the detector head\u003c\/li\u003e\n\u003cli\u003eRotary address switches for individual SLC point identification\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMulti-criteria smoke detectors analyze signals from multiple sensing technologies simultaneously — photoelectric light-scattering and thermal sensing in the AD365 — to distinguish actual fire signatures from steam, cooking smoke, or airborne particulates that trigger single-technology detectors. This reduces the frequency of nuisance alarms in environments such as hotel corridors, commercial kitchens, and open-plan offices while maintaining reliable detection of actual fire development. The AD365 is the white-finish version of the AD365-IV and supports LiteSpeed protocol communication with compatible Fire-Lite addressable panel families.\u003c\/p\u003e\n\u003cp\u003eVerify panel\/device family compatibility before ordering.\u003c\/p\u003e","brand":"Fire-Lite","offers":[{"title":"Default Title","offer_id":52004388602149,"sku":"AD365","price":116.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/7648\/4645\/files\/fire-lite-multi-criteria-detectors-default-title-fire-lite-ad365-addressable-multi-criteria-photoelectric-31896788304096.jpg?v=1771295813"}],"url":"https:\/\/fastalarmdistribution.com\/collections\/fire-lite-smoke-detectors.oembed","provider":"Fast Alarm Distribution","version":"1.0","type":"link"}