Firehawk FHN250BB Mains Optical Smoke Alarm with Alkaline Battery Backup
The Firehawk FHN250BB is a mains-operated optical smoke alarm equipped with replaceable alkaline backup batteries, providing uninterrupted smoke detection even if the power supply is lost. It also features a Fast-Fix base for quick and easy installation or replacement with a simple click-in design.
- Suitable for hallways, landings, living rooms, and bedrooms
- Power: 230V mains powered with back-up battery
- Back-up: 3 x AAA Alkaline back-up battery
- Warranty: 6-year manufacturer’s warranty
- Hardwire up to 12 compatible Firehawk FHN smoke and heat alarms
- Improved fire detection with TSE (Thermal Stability Enhancement) Technology
- When one alarm has activated, all other interlinked alarms will sound
- Discreet and easy installation with a Fast-Fix base
- Large test button for easy testing and maintenance
- End-of-life warning can be silenced up to 10 hours
- Compliant with BS 5839-6 Grade D2
- CE and UKCA marked
- Approved to EN 14604: 2005
Please Note: these FHN series alarms are not compatible with the older FH models.
Customer Reviews (0)
Reviews by Real Customers
To make sure that all our reviews are real and accurate, we only allow customers that have purchased this product from us to write reviews.
No Reviews Available
No reviews have been written for this product yet.
If you have purchased this product from us and would like to write a review about it please complete the product review from. Please Note: to ensure the accuracy of our reviews you will need to provide a valid order number to leave a review.
Review this product nowTechnical Data
| Product Code | FIFHN250BB |
|---|---|
| Brand | Firehawk |
| Manufacturer's Part Number | FHN250BB |
| Approvals & Markings | CE Marked |
| UKCA Marked | |
| Back-Up Battery Type | Alkaline |
| Battery Type | AAA Batteries |
| British Standard Grade | Grade D2: Mains Powered (replaceable backup) |
| Colour | White |
| Compliance | BS 5839-6 |
| BS EN 14604: 2005 | |
| Connection | Wired |
| Display | LED Indicators |
| Environmental Suitability | Indoors |
| Fixing Options | Screws (included) |
| Installation Position | Ceiling |
| Local Legislation | Scottish Legislation (2022) |
| Welsh Legislation (2022) | |
| Material | Plastic |
| Maximum Number of Linked Devices | 12 Devices |
| Operating Temperature | 0°C To +40°C |
| Positioning | Bedrooms |
| Hallways | |
| Landings | |
| Living Rooms | |
| Power Type | Mains Powered (230V) |
| Product Range | FireHawk FHN Series |
| Recyclable | Yes - Valpak's WEEE Distributor Take-back Scheme |
| Relative Humidity | Less Than 85% |
| Sensor Type | Optical |
| Sound Level | 85dB |
| Suitability | Home |
| Warning Type | Audible - Alarm Sounder |
| Warranty | 6 Years |
| Dimensions (Unit) |
|
| Weight | 196g |
| Datasheets |
Interlink
The table below shows all alarms which can interlink via cable with the Firehawk FHN250BB mains powered smoke alarm.
Please Note: these FHN series alarms are not compatible with the older FH models.
Mains-Powered Alarms
| Model | Description | Battery Backup | Interlink |
|---|---|---|---|
| FHN250BB | Mains Powered Optical Smoke Alarm | 3x AAA Alkaline (included) | Hardwire |
| FHN450BB | Mains Powered Heat Alarm | 3x AAA Alkaline (included) | Hardwire |
| FHN250RB | Mains Powered Optical Smoke Alarm | 10 Year Sealed Lithium | Hardwire |
| FHN450RB | Mains Powered Heat Alarm | 10 Year Sealed Lithium | Hardwire |