{"product_id":"ajax-en54-fireprotect-smoke-jeweller-white-wireless-smoke-detector","title":"Ajax EN54 FireProtect (Smoke) Jeweller White Wireless Smoke Detector - 119921.275.WH1","description":"\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003eAjax EN54 FireProtect (Smoke) Jeweller White\u003c\/strong\u003e\u003cspan\u003e is a wireless, EN54-certified point smoke detector designed for professional fire detection in residential, commercial and public buildings. Using a dual-spectrum optical smoke sensor, encrypted Jeweller communication and up to six years of battery life, it delivers certified early smoke detection as part of a compatible Ajax fire detection system.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch1\u003eAjax EN54 FireProtect (Smoke) Jeweller White Wireless Smoke Detector\u003c\/h1\u003e\n\u003cp\u003eThe \u003cstrong\u003eAjax EN54 FireProtect (Smoke) Jeweller\u003c\/strong\u003e is a wireless addressable point smoke detector (model FP.54S.J), developed for use in EN54-compliant fire detection systems. It identifies the presence of smoke using a dual-spectrum optical sensor and transmits alarm and event data to the Ajax control and indicating equipment (CIE) over the secure Jeweller radio protocol, providing certified early warning of fire.\u003c\/p\u003e\n\u003cp\u003eUnlike domestic-grade smoke alarms, the EN54 FireProtect line is certified to the European EN 54 fire standards, making it suitable for commercial and regulated installations where certified equipment is required. This \"Smoke\" model focuses purely on detection; audible warning is provided by companion FireProtect sounder devices on the same system.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eDual-Spectrum Optical Smoke Detection\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe detector identifies smoke using a \u003cstrong\u003edual-spectrum optical sensor\u003c\/strong\u003e. Inside the sealed smoke chamber, blue and infrared LEDs emit light at two different wavelengths, allowing the detector to assess the size of volatile particles and reliably distinguish genuine smoke from harmless airborne particles.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eHazeFlow\u003c\/strong\u003e software algorithm processes sensor data to confirm real fire events and help reduce false alarms, while the patented smoke chamber design shields the sensor from dust, dirt and insects and does not react to water vapour.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eEN 54 Certified Fire Protection\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe detector is certified under the Construction Products Regulation (CPR) to multiple parts of the European EN 54 standard:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEN 54-7\u003c\/strong\u003e — smoke detectors (point detectors using scattered light)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEN 54-25\u003c\/strong\u003e — components using radio links\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEN 54-13\u003c\/strong\u003e — system compatibility assessment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis certification makes the device suitable for professional and regulated fire detection installations where EN 54 compliance is mandatory.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eSecure Jeweller Wireless Communication\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe detector communicates with the Ajax CIE using the encrypted, two-way \u003cstrong\u003eJeweller\u003c\/strong\u003e radio protocol, with a communication range of up to \u003cstrong\u003e1,700 metres\u003c\/strong\u003e in open space to the hub or a compatible range extender.\u003c\/p\u003e\n\u003cp\u003eJeweller provides frequency hopping, device authentication and block encryption with a dynamic key to protect against interference and spoofing. The device polls the hub at regular intervals, and loss of communication is detected and reported so faults never go unnoticed.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eLong Battery Life\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe detector is powered by \u003cstrong\u003etwo pre-installed CR123A lithium batteries\u003c\/strong\u003e, providing up to \u003cstrong\u003esix years\u003c\/strong\u003e of autonomous operation under normal conditions. Batteries can be replaced without tools, and the device includes reverse-polarity protection.\u003c\/p\u003e\n\u003cp\u003eBattery status is continuously monitored and reported to the Ajax app, with early low-battery notifications sent in advance to allow planned maintenance.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eTamper and Sabotage Protection\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe detector features a \u003cstrong\u003etamper button\u003c\/strong\u003e that detects removal of the device from its SmartBracket mounting panel and immediately reports it to system users and the monitoring company as a fault.\u003c\/p\u003e\n\u003cp\u003eDevice authentication protects against spoofing, ensuring only genuine Ajax devices can be paired with the system.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eQuick Professional Installation\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe included \u003cstrong\u003eSmartBracket\u003c\/strong\u003e mounting panel enables straightforward installation without disassembling the detector. Once mounted, the detector can be rotated up to 90° to align the branding or LED, and an optional lock secures the device so it cannot be removed without a special tool.\u003c\/p\u003e\n\u003cp\u003eThe device is designed for \u003cstrong\u003eindoor use only\u003c\/strong\u003e and should be installed in a position providing a Medium or Strong signal as required by EN 54.\u003c\/p\u003e\n\u003ch1\u003eKEY BENEFITS\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eEN 54 certified for professional and regulated fire installations\u003c\/li\u003e\n\u003cli\u003eReliable early smoke detection with a dual-spectrum optical sensor\u003c\/li\u003e\n\u003cli\u003eHazeFlow algorithm helps reduce false alarms\u003c\/li\u003e\n\u003cli\u003ePatented smoke chamber shielded from dust, dirt and insects\u003c\/li\u003e\n\u003cli\u003eDoes not react to water vapour\u003c\/li\u003e\n\u003cli\u003eEncrypted Jeweller wireless communication up to 1,700 m\u003c\/li\u003e\n\u003cli\u003eUp to six years of battery life from pre-installed CR123A batteries\u003c\/li\u003e\n\u003cli\u003eTamper protection against removal\u003c\/li\u003e\n\u003cli\u003eSmartBracket enables fast tool-free installation\u003c\/li\u003e\n\u003cli\u003eAvailable in White finish\u003c\/li\u003e\n\u003cli\u003eSuitable for residential, commercial and public buildings\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1\u003eKEY FEATURES\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eWireless addressable point smoke detector\u003c\/li\u003e\n\u003cli\u003eDual-spectrum optical smoke sensor (blue and infrared LEDs)\u003c\/li\u003e\n\u003cli\u003eHazeFlow false-alarm reduction algorithm\u003c\/li\u003e\n\u003cli\u003eCertified to EN 54-7, EN 54-25 and EN 54-13\u003c\/li\u003e\n\u003cli\u003eSecure Jeweller two-way wireless protocol\u003c\/li\u003e\n\u003cli\u003eCommunication range up to 1,700 m in open space\u003c\/li\u003e\n\u003cli\u003e2 × CR123A batteries pre-installed\u003c\/li\u003e\n\u003cli\u003eBattery life up to 6 years\u003c\/li\u003e\n\u003cli\u003eTool-free battery replacement with reverse-polarity protection\u003c\/li\u003e\n\u003cli\u003eTamper button (removal detection)\u003c\/li\u003e\n\u003cli\u003eSmartBracket mounting panel, rotatable up to 90°\u003c\/li\u003e\n\u003cli\u003eIP20 protection rating\u003c\/li\u003e\n\u003cli\u003eUL 94 V-0 flammability rating\u003c\/li\u003e\n\u003cli\u003eLED status indication (red \/ yellow \/ green)\u003c\/li\u003e\n\u003cli\u003eIndoor installation only\u003c\/li\u003e\n\u003cli\u003eWhite finish\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1\u003eIDEAL FOR\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eOffices and commercial premises\u003c\/li\u003e\n\u003cli\u003eRetail shops and shopping centres\u003c\/li\u003e\n\u003cli\u003eHotels and hospitality venues\u003c\/li\u003e\n\u003cli\u003eResidential apartments and houses\u003c\/li\u003e\n\u003cli\u003ePublic and educational buildings\u003c\/li\u003e\n\u003cli\u003eWarehouses and storage areas\u003c\/li\u003e\n\u003cli\u003eHallways, corridors and escape routes\u003c\/li\u003e\n\u003cli\u003eInstallations requiring EN 54 certified fire detection\u003c\/li\u003e\n\u003cli\u003eSystems using separate FireProtect sounders for audible warning\u003c\/li\u003e\n\u003cli\u003eProfessional Ajax fire and security systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1\u003eSYSTEM COMPATIBILITY\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eRequires an Ajax control and indicating equipment (CIE) \/ hub running an up-to-date OS Malevich\u003c\/li\u003e\n\u003cli\u003eCompatible with Ajax Hub 2 (2G)\u003c\/li\u003e\n\u003cli\u003eCompatible with Ajax Hub 2 (4G)\u003c\/li\u003e\n\u003cli\u003eCompatible with Ajax Hub 2 Plus\u003c\/li\u003e\n\u003cli\u003eCompatible with Ajax Hub Hybrid (2G)\u003c\/li\u003e\n\u003cli\u003eCompatible with Ajax Hub Hybrid (4G)\u003c\/li\u003e\n\u003cli\u003eCompatible with Ajax ReX 2 range extender\u003c\/li\u003e\n\u003cli\u003eUses Ajax \u003cstrong\u003eJeweller\u003c\/strong\u003e encrypted wireless communication\u003c\/li\u003e\n\u003cli\u003ePairs with one CIE \/ hub at a time\u003c\/li\u003e\n\u003cli\u003eManaged via Ajax mobile applications (iOS and Android)\u003c\/li\u003e\n\u003cli\u003eManaged via Ajax desktop applications (Windows and macOS)\u003c\/li\u003e\n\u003cli\u003eSupports Ajax Cloud remote management\u003c\/li\u003e\n\u003cli\u003eSupports Over-the-Air (OTA) firmware updates\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAjax\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eEN54 FireProtect (Smoke) Jeweller\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eArticle Number\u003c\/td\u003e\n\u003ctd\u003e119921.275.WH1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDevice Model Code\u003c\/td\u003e\n\u003ctd\u003eFP.54S.J\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eWireless Point Smoke Detector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Line\u003c\/td\u003e\n\u003ctd\u003eEN54 FireProtect\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDetection Technology\u003c\/td\u003e\n\u003ctd\u003eDual-Spectrum Optical Smoke Sensor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFalse Alarm Prevention\u003c\/td\u003e\n\u003ctd\u003eHazeFlow Algorithm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBuilt-In Sounder\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEN 54 Certifications\u003c\/td\u003e\n\u003ctd\u003eEN 54-7, EN 54-25, EN 54-13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWireless Technology\u003c\/td\u003e\n\u003ctd\u003eJeweller\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRadio Communication Range\u003c\/td\u003e\n\u003ctd\u003eUp to 1,700 m (open space)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTamper Protection\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLED Indication\u003c\/td\u003e\n\u003ctd\u003eYes (red \/ yellow \/ green)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e2 × CR123A Lithium Batteries (Pre-installed)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Life\u003c\/td\u003e\n\u003ctd\u003eUp to 6 Years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Replacement\u003c\/td\u003e\n\u003ctd\u003eTool-free, reverse-polarity protected\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection Rating\u003c\/td\u003e\n\u003ctd\u003eIP20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlammability Rating\u003c\/td\u003e\n\u003ctd\u003eUL 94 V-0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0°C to +50°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Humidity\u003c\/td\u003e\n\u003ctd\u003eUp to 80% Non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e124 × 124 × 48 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e281 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColour\u003c\/td\u003e\n\u003ctd\u003eWhite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eHigh-quality Plastic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eSmartBracket Mounting Panel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIndoor \/ Outdoor\u003c\/td\u003e\n\u003ctd\u003eIndoor Use Only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e24 Months\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch1\u003eFREQUENTLY ASKED QUESTIONS (FAQs)\u003c\/h1\u003e\n\u003ch3\u003eWhat is the Ajax EN54 FireProtect (Smoke) Jeweller used for?\u003c\/h3\u003e\n\u003cp\u003eIt is a wireless EN54-certified point smoke detector that identifies the presence of smoke using a dual-spectrum optical sensor and transmits alarm and event data to the Ajax control and indicating equipment (CIE) over the secure Jeweller protocol. It is suitable for professional fire detection in residential, commercial and public buildings.\u003c\/p\u003e\n\u003ch3\u003eDoes this model have a built-in sounder?\u003c\/h3\u003e\n\u003cp\u003eNo. The \"(Smoke)\" model is a detector only and does not include an integrated sounder. Audible warning is provided by companion FireProtect sounder devices (such as the Smoke\/Sounder, Heat\/Sounder or Sounder\/VAD models) on the same Ajax system. If you need detection and sound in one device, choose the EN54 FireProtect (Smoke\/Sounder) model instead.\u003c\/p\u003e\n\u003ch3\u003eWhat does EN54 certification mean?\u003c\/h3\u003e\n\u003cp\u003eEN 54 is the European standard for fire detection and fire alarm systems. This detector is certified under the Construction Products Regulation to \u003cstrong\u003eEN 54-7\u003c\/strong\u003e (smoke detectors), \u003cstrong\u003eEN 54-25\u003c\/strong\u003e (radio-linked components) and \u003cstrong\u003eEN 54-13\u003c\/strong\u003e (system compatibility), making it suitable for regulated and professional fire installations.\u003c\/p\u003e\n\u003ch3\u003eHow does it avoid false alarms?\u003c\/h3\u003e\n\u003cp\u003eThe dual-spectrum optical sensor assesses the size of airborne particles using blue and infrared light, and the \u003cstrong\u003eHazeFlow\u003c\/strong\u003e software algorithm processes this data to confirm genuine fire events. The patented smoke chamber is shielded from dust, dirt and insects and does not react to water vapour, helping to minimise false activations.\u003c\/p\u003e\n\u003ch3\u003eDoes it need a specific Ajax hub?\u003c\/h3\u003e\n\u003cp\u003eYes. The detector requires an Ajax control and indicating equipment (CIE) \/ hub running an up-to-date OS Malevich, such as the Hub 2 (2G\/4G), Hub 2 Plus or Hub Hybrid. Always confirm compatibility using the Ajax compatibility tool before purchase.\u003c\/p\u003e\n\u003ch3\u003eHow is the detector powered?\u003c\/h3\u003e\n\u003cp\u003eIt operates from \u003cstrong\u003etwo pre-installed CR123A lithium batteries\u003c\/strong\u003e, providing up to \u003cstrong\u003esix years\u003c\/strong\u003e of autonomous operation under normal conditions. Batteries can be replaced without tools, and status is monitored and reported in the Ajax app with early low-battery notifications.\u003c\/p\u003e\n\u003ch3\u003eCan it be installed outdoors?\u003c\/h3\u003e\n\u003cp\u003eNo. The EN54 FireProtect (Smoke) Jeweller is designed for \u003cstrong\u003eindoor use only\u003c\/strong\u003e and carries an IP20 protection rating. It should be installed indoors, away from areas with excessive dust, steam or temperature extremes.\u003c\/p\u003e\n\u003ch3\u003eWhat colour options are available?\u003c\/h3\u003e\n\u003cp\u003eThis product (article 119921.275.WH1) is the \u003cstrong\u003eWhite\u003c\/strong\u003e version. A Black variant is also available under a separate article number.\u003c\/p\u003e\n","brand":"Ajax","offers":[{"title":"Default Title","offer_id":54282695278933,"sku":"119921.275.WH1","price":73.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0878\/2476\/1173\/files\/ajax-en54-fireprotect-smoke-sounder-white-119919.276.wh1-wireless-smoke-detector-with-b-42773-p_99bd315a-c069-40fd-a4fc-3491c40ee093.webp?v=1783348674","url":"https:\/\/cctvdirectuk.co.uk\/products\/ajax-en54-fireprotect-smoke-jeweller-white-wireless-smoke-detector","provider":"CCTV DIRECT UK LTD","version":"1.0","type":"link"}