{"product_id":"firehawk-fhn250rb-mains-optical-rf-link-smoke-alarm-with-rechargeable-lithium-battery-backup-fhn250rb","title":"FireHawk FHN250RB Mains Optical RF-Link Smoke Alarm with Rechargeable Lithium Battery Backup | FHN250RB","description":"\u003ch1 class=\"MsoNormal\"\u003eFireHawk FHN250RB Mains Optical RF-Link Smoke Alarm with Rechargeable Lithium Battery Backup | FHN250RB\u003c\/h1\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eGrade D1 Mains-Powered Optical Smoke Alarm with Rechargeable Battery Backup\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eThe \u003cb\u003eFireHawk FHN250RB\u003c\/b\u003e is a mains-powered \u003cb\u003eoptical multi-sensor smoke alarm\u003c\/b\u003e featuring an integrated \u003cb\u003erechargeable lithium battery backup\u003c\/b\u003e, providing continued protection in the event of a mains power failure.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eDesigned for domestic fire detection, the alarm incorporates FireHawk's \u003cb\u003eX-Profile optical detection chamber\u003c\/b\u003e together with \u003cb\u003eTSE Thermal Stability Enhancement technology\u003c\/b\u003e. This combination is designed to improve detection performance across changing environmental conditions while helping reduce nuisance alarms.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eThe FHN250RB is suitable for applications including \u003cb\u003ebedrooms, hallways, landings and living areas\u003c\/b\u003e and provides \u003cb\u003eGrade D1 guidance to BS 5839-6:2019\u003c\/b\u003e. It is also compatible with FireHawk's RF-Link system when fitted with the optional FHN600RF module.\u003c\/p\u003e\n\u003ch2 class=\"MsoNormal\"\u003eFeatures\u003c\/h2\u003e\n\u003cul style=\"margin-top: 0cm;\" type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo1; tab-stops: list 36.0pt;\"\u003eMains-Powered Optical Multi-Sensor Smoke Alarm\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo1; tab-stops: list 36.0pt;\"\u003eRechargeable Lithium Battery Backup\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo1; tab-stops: list 36.0pt;\"\u003eGrade D1 Alarm\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo1; tab-stops: list 36.0pt;\"\u003eUnique X-Profile Optical Detection Chamber\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo1; tab-stops: list 36.0pt;\"\u003eTSE Thermal Stability Enhancement Technology\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo1; tab-stops: list 36.0pt;\"\u003eDesigned to Reduce Nuisance Alarms\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo1; tab-stops: list 36.0pt;\"\u003eEnergy-Saving Low Power Consumption\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo1; tab-stops: list 36.0pt;\"\u003eAlarm Silence \/ Hush Function\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo1; tab-stops: list 36.0pt;\"\u003eLow-Battery Warning Silence\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo1; tab-stops: list 36.0pt;\"\u003eLow-Battery Chirp Can Be Silenced for up to 10 Hours\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo1; tab-stops: list 36.0pt;\"\u003eExtra-Large Test Button\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo1; tab-stops: list 36.0pt;\"\u003eRF-Link Compatible\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo1; tab-stops: list 36.0pt;\"\u003eOptional FHN600RF Module Required for Wireless Interconnection\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo1; tab-stops: list 36.0pt;\"\u003eCompatible with FireHawk RF-Link Smoke, Heat \u0026amp; CO Alarms\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo1; tab-stops: list 36.0pt;\"\u003eSuitable for Bedrooms\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo1; tab-stops: list 36.0pt;\"\u003eSuitable for Hallways \u0026amp; Landings\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo1; tab-stops: list 36.0pt;\"\u003eSuitable for Living Areas\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo1; tab-stops: list 36.0pt;\"\u003eEN 14604:2005 + AC:2008 Certified\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo1; tab-stops: list 36.0pt;\"\u003eGrade D1 – BS 5839-6:2019 Guidance\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo1; tab-stops: list 36.0pt;\"\u003e10-Year Warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"MsoNormal\"\u003eThese features and certifications are specified by FireBlitz for the FHN250RB.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eRechargeable Lithium Battery Backup\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eUnlike the FHN250BB model with replaceable AAA backup batteries, the \u003cb\u003eFHN250RB incorporates a rechargeable lithium battery backup\u003c\/b\u003e.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eThe alarm is normally powered from the mains electrical supply, with the rechargeable battery providing backup protection if mains power is interrupted. This configuration provides \u003cb\u003eGrade D1 guidance under BS 5839-6:2019\u003c\/b\u003e.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eX-Profile Optical Detection Chamber\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eThe FHN250RB incorporates FireHawk's unique \u003cb\u003eX-Profile detection chamber\u003c\/b\u003e, controlled by bespoke software.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eThis optical detection technology is designed to provide reliable smoke detection for appropriate domestic locations such as bedrooms, living spaces, hallways and landings.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eThermal Stability Enhancement Technology\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eFireHawk's \u003cb\u003eTSE – Thermal Stability Enhancement\u003c\/b\u003e technology helps maintain alarm stability across a range of environmental conditions.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eThe technology is specifically designed to help \u003cb\u003ereduce nuisance alarms while enhancing detection performance\u003c\/b\u003e, making the FHN250RB suitable for everyday domestic fire protection.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eOptional RF-Link Wireless Interconnection\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eThe FHN250RB can be upgraded for wireless interconnection by installing the separately available \u003cb\u003eFHN600RF RF-Link module\u003c\/b\u003e.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eOnce fitted, it can form part of a compatible FireHawk RF-Link system incorporating smoke alarms, heat alarms, carbon monoxide alarms and associated alarm accessories.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eCompatible RF-Link products include the FHB10-RF smoke alarm, FHH10-RF heat alarm, CO10-RF carbon monoxide alarm and FHN800HIA hard-of-hearing alarm system.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eAlarm Silence Function\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eThe integrated \u003cb\u003ealarm silence button\u003c\/b\u003e provides a convenient way to temporarily silence the alarm during an identified non-emergency or nuisance alarm situation.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eThis helps make the alarm easier to manage without compromising its normal fire detection functionality.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eLow-Battery Warning Silence\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eThe FHN250RB allows a low-battery warning chirp to be silenced for \u003cb\u003eup to 10 hours\u003c\/b\u003e.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eThis is particularly useful if a warning occurs during sleeping hours, helping minimise disruption while maintaining continuous alarm protection.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eExtra-Large Test Button\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eAn \u003cb\u003eextra-large test button\u003c\/b\u003e provides convenient access for routine alarm testing.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eRegular testing should be carried out in accordance with the manufacturer's instructions to help ensure the alarm remains operational.\u003c\/p\u003e\n\u003ch2 class=\"MsoNormal\"\u003eSpecifications\u003c\/h2\u003e\n\u003cul style=\"margin-top: 0cm;\" type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eBrand:\u003c\/b\u003e FireHawk\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eManufacturer:\u003c\/b\u003e FireBlitz\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eModel \/ Product Code:\u003c\/b\u003e FHN250RB\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eProduct Type:\u003c\/b\u003e Mains Optical Multi-Sensor Smoke Alarm\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eDetection Technology:\u003c\/b\u003e Optical\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eDetection Chamber:\u003c\/b\u003e X-Profile\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eTSE Technology:\u003c\/b\u003e Yes\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003ePrimary Power:\u003c\/b\u003e Mains\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eBackup Power:\u003c\/b\u003e Rechargeable Lithium Battery\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eGrade:\u003c\/b\u003e D1\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eRF-Link Compatible:\u003c\/b\u003e Yes\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eRF-Link Module:\u003c\/b\u003e FHN600RF – Sold Separately\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eAlarm Silence:\u003c\/b\u003e Yes\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eLow-Battery Warning Silence:\u003c\/b\u003e Up to 10 Hours\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eTest Button:\u003c\/b\u003e Yes – Extra Large\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eEnergy Saving:\u003c\/b\u003e Low Power Consumption\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eDiameter:\u003c\/b\u003e 113mm\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eDepth:\u003c\/b\u003e 55mm\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eWeight:\u003c\/b\u003e 0.24kg\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eCertification:\u003c\/b\u003e EN 14604:2005 + AC:2008\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eGuidance:\u003c\/b\u003e Grade D1 – BS 5839-6:2019\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eWarranty:\u003c\/b\u003e 10 Years\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"MsoNormal\"\u003eFireBlitz lists the alarm at \u003cb\u003e11.3cm diameter × 5.5cm depth\u003c\/b\u003e, with a weight of \u003cb\u003e0.24kg\u003c\/b\u003e.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eSuitable Applications\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eThe FireHawk FHN250RB is designed for domestic fire detection applications including:\u003c\/p\u003e\n\u003cul style=\"margin-top: 0cm;\" type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo3; tab-stops: list 36.0pt;\"\u003eBedrooms\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo3; tab-stops: list 36.0pt;\"\u003eHallways\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo3; tab-stops: list 36.0pt;\"\u003eLandings\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo3; tab-stops: list 36.0pt;\"\u003eLiving Rooms\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo3; tab-stops: list 36.0pt;\"\u003eLiving Areas\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo3; tab-stops: list 36.0pt;\"\u003eCorridors\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo3; tab-stops: list 36.0pt;\"\u003eSuitable Escape Routes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"MsoNormal\"\u003eThe manufacturer specifically categorises the FHN250RB for bedrooms, hallways and landings, and living areas.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eWhy Choose the FireHawk FHN250RB?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eThe \u003cb\u003eFireHawk FHN250RB\u003c\/b\u003e is a strong choice where a \u003cb\u003eGrade D1 mains-powered smoke alarm\u003c\/b\u003e with rechargeable battery backup is required.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eIts combination of an \u003cb\u003eX-Profile optical detection chamber, TSE technology, rechargeable lithium backup and 10-year warranty\u003c\/b\u003e provides a low-maintenance solution for domestic fire protection.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eOptional \u003cb\u003eRF-Link compatibility\u003c\/b\u003e also gives installers flexibility to incorporate the alarm into a wider FireHawk wireless interconnected alarm system where required.\u003c\/p\u003e","brand":"Firehawk Smoke and Heat Alarms","offers":[{"title":"Default Title","offer_id":54607453880666,"sku":"FHN250RB","price":23.48,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0892\/6232\/6106\/files\/FIREHAWK-8328-FHN250RB-Box-CGI-V1.0-600x600.jpg?v=1787131285","url":"https:\/\/account.alertelectrical.com\/products\/firehawk-fhn250rb-mains-optical-rf-link-smoke-alarm-with-rechargeable-lithium-battery-backup-fhn250rb","provider":"Alert Electrical","version":"1.0","type":"link"}