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Discontinued Product - No Compatible Replacement
Please Note: BRK have withdrawn from the European market and there is no compatible alternative that will fit into your existing system. Since it is not possible to interlink alarms from different manufacturers, new alarms will be needed throughout. The recommended replacement for the whole discontinued BRK 700MBX range is the Kidde Firex series. This will require an electrician to replace your old BRK bases with new Kidde bases.
£21.00 inc VAT
£17.50 ex VAT
Fitted with a replaceable alkaline back-up battery, the BRK 770MBX (also known as 670MBX) is a mains powered ionisation smoke alarm supplied with an easy to install push-fit base plate. Most suitable for detecting fast flaming fires, this alarm comes with a 5 year manufacturer's guarantee and can interlink with up to 12 other compatible devices (by wire). The BRK 770MBX is CE and Kitemarked to BS EN 14604 and has a test and alarm silence feature.
The table below shows all the units that can interlink with the BRK mains powered smoke and heat alarms.
600 Series
Model Number | Type of unit | Type of interlink |
---|---|---|
660MBX | Ionisation Smoke Alarm | Hard wire interlink |
670MBX | Optical Smoke Alarm | Hard wire interlink |
690MBX | Heat Alarm | Hard wire interlink |
700 Series
Model Number | Type of unit | Type of interlink |
---|---|---|
760MBX | Ionisation Smoke Alarm | Hard wire interlink |
770MBX | Optical Smoke Alarm | Hard wire interlink |
790MBX | Heat Alarm | Hard wire interlink |
760MRL | Ionisation Smoke Alarm | Hard wire interlink |
770MRL | Optical Smoke Alarm | Hard wire interlink |
790MRL | Heat Alarm | Hard wire interlink |
Product Code | BK770MBX |
---|---|
Brand | BRK |
Back-Up Battery | 9V alkaline |
Dimensions (HxDia) | 53x140mm |
Operating Temperature | +5 °C to +38 °C |
Relative Humidity | 10% to 85% Relative Humidity |
Sound Output | 85dB |
Weight | 0.32kg |
Product Datasheets |
The sticky pad is suitable for all battery operated smoke alarms. However, we cannot judge if battery alarms are suitable for your let property, as let properties usually require mains powered alarms. There is some advice to this in the governments guides to fire risk assessments. http://www.safelincs.co.uk/Fire-Risk-Assessment/ Also see the LACoRS guide for let properties.
BS 5839-6 recommends that one or two storey HMOs with an individual floor area of no more than 200sqm (not the total of both floors) should have a Grade D smoke alarm system installed. Grade D refers to mains powered smoke alarms with a back up battery power supply. The alarms can be interlinked either by wire or by radio signal and the system does not require a separate fire alarm panel. For HMOs of 3 storey or higher, a Grade A panel system would need to be installed. This can cover the whole of the building, or can be used just for the communal areas with a separate Grade D system installed for the individual dwellings. For both applications, the level of cover should be a minimum of LD3 (in all escape routes) but this may change according to the fire risk assessment.
1 customer has given this product an overall rating of 4 out of 5
Rating: 4 / 5 Stars
Reviewed by: S V
Prompt service
Published on: 19th April 2021
If you have any questions or would like more information about this product you can ask one of our specialists.
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