{"product_id":"ajax-en54-heat-smoke-detector","title":"Ajax EN54 FireProtect (Heat\/Smoke) Jeweller – Wireless Heat Detector","description":"\u003cp\u003eThe Ajax EN54 FireProtect (Heat\/Smoke) Jeweller is an advanced wireless fire detector designed to provide reliable early warning of smoke and dangerous temperature rises. Engineered for professional installations, it combines dual-spectrum optical smoke detection with highly accurate thermistors to identify both smouldering fires and rapid temperature increases, ensuring comprehensive fire protection in residential, commercial, and light industrial environments.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eUtilising Ajax's proprietary Jeweller communication technology, the detector delivers secure two-way wireless communication with a transmission range of up to 1,700 metres in open space. Dynamic key encryption, frequency hopping, and device authentication provide robust protection against interference, spoofing, and sabotage, while instant event notifications and remote configuration through Ajax apps simplify system management.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe FireProtect detector features a patented smoke chamber that protects the optical sensor from dust, dirt, and insects, reducing the likelihood of false alarms and ensuring long-term reliability. The dual-spectrum optical sensor accurately detects smoke particles while remaining immune to water vapour, minimising nuisance activations.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eTemperature monitoring is performed by two thermistors and supports multiple heat sensor modes, including EN 54-compliant A1R, A1S, BR, and BS settings, allowing installers to tailor operation according to the protected environment. Connection loss is detected in as little as 36 seconds, providing prompt notification of communication failures.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eDesigned for ease of installation and maintenance, the detector includes the SmartBracket mounting panel, allowing the unit to be rotated up to 90° after installation. Integrated tamper protection and a locking mechanism help prevent unauthorised removal. Powered by two pre-installed CR123A lithium batteries, the device offers up to six years of battery life and supports tool-free battery replacement with reverse polarity protection.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eFinished in black, the Ajax EN54 FireProtect (Heat\/Smoke) Jeweller is suitable for indoor applications and delivers dependable fire detection performance in a compact and discreet enclosure.\u003c\/p\u003e\n\u003ch4\u003e\u003cspan style=\"color: rgb(255, 128, 0);\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h4\u003e\n\u003ch4\u003e\u003cspan style=\"color: rgb(255, 128, 0);\"\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eCombined smoke and heat detection for comprehensive fire protection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDual-spectrum optical sensor with resistance to false alarms caused by water vapour.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTwo thermistors for accurate dangerous temperature detection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEN 54-5 compliant heat detection modes: A1R, A1S, BR and BS.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eProprietary Ajax Jeweller wireless communication technology.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUp to 1,700 m wireless communication range in open space.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSecure two-way communication with dynamic key encryption.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFrequency hopping and device authentication for enhanced protection against interference and spoofing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePatented smoke chamber resistant to dust, dirt, and insects.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInstant alarm notifications and remote management via Ajax apps.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTamper protection and SmartBracket locking mechanism.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eConnection loss detection from 36 seconds.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePowered by two CR123A lithium batteries with up to 6 years of operation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTool-free battery replacement with reverse polarity protection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIndoor use.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBlack finish.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eModel: 155887.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cspan style=\"color: rgb(255, 128, 0);\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h4\u003e\n\u003ch4\u003e\u003cspan style=\"color: rgb(255, 128, 0);\"\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eDetection Type: Smoke and Heat\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCommunication Technology: Ajax Jeweller\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRadio Range: Up to 1,700 m (open space)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRadio Modulation: GFSK\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFrequency Bands: Region dependent\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMaximum ERP: Up to 20 mW\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSmoke Sensor: Dual-spectrum optical sensor\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHeat Sensor: 2 × Thermistors\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBattery Type: 2 × CR123A, 3 V lithium batteries\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBattery Life: Up to 6 years\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDimensions: 124 × 124 × 48 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWeight: 278 g\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOperating Temperature: 0 °C to +50 °C\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHumidity: Up to 80%\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eProtection Rating: IP20\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFlammability Rating: UL 94 V-0\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eColour: Black\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ajax","offers":[{"title":"Black","offer_id":62145233256835,"sku":"AJ-155888","price":124.99,"currency_code":"GBP","in_stock":false},{"title":"White","offer_id":62145233289603,"sku":"AJ-155887","price":124.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1615\/5577\/files\/AjaxEN54FireProtect_Smoke_Jeweller-black-119922-001_1_822b6a72-ed63-47ce-9d1c-05101114f4f9.jpg?v=1784904017","url":"https:\/\/www.cctvoutlet.co.uk\/products\/ajax-en54-heat-smoke-detector","provider":"CCTV Outlet Limited","version":"1.0","type":"link"}