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Mains Powered Ionisation Smoke Alarm with Alkaline Battery Back-up - BRK 670MBX

3 Customer Reviews
£15.49 ex VAT
£18.59 inc VAT
Product Overview

The BRK 670MBX is a mains powered ionisation smoke alarm with a 9V alkaline back-up battery, and can be interlinked with up to 12 compatible alarms. Quick to detect fast flaming fires, the 670MBX smoke alarm features an 85dB audible warning and is typically installed in landing areas. The BRK 670MBX is Kitemarked to the latest British Standards and has a 5 year manufacturer's warranty.

  • Free next day delivery, dispatched same day if ordered before 3.00pm
  • Power: 230V mains powered with battery back-up
  • Back-up: 9V alkaline battery (included)
  • Warranty: 5 year manufacturer's warranty
  • Includes push-fit base suitable for flush mounting or surface trunking
  • CE marked and Kitemarked to BS EN 14604
  • Suitable for installations complying to BS 5839-6: 2019 Grade D2
  • Quick detection of fast flaming fires
  • Ideal for installation in landing areas
  • Up to 12 units from the 600MBX range can be hard wire interlinked
  • An interlinked system provides the earliest warning of fire
  • Combined Test and Hush button facility
  • Suitable replacement for the DETA 1151 and DETA 1111 Ionisation Alarms
  • Supplied with fixings; 2 x screws and 2 x rawl plugs

Please note: the packaging may show a product code of 770MBX and include a push-fit base but the alarm itself is still a 670MBX, as shown on the sticker on the back of the alarm head, and it is still compatible with existing twist-fit bases.


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
Technical Data
Product Code BK670MBX-PUSH
Alternative Product Codes BK670MBX, 670MBX, DETA1151, 1151, DETA1111, 1111
Dimensions (HxDia)


Power Type

Mains powered with 9V alkaline back-up battery

Sound Output

85dB at 3m

Temperature Range

+5 °C to +38 °C

Weight 0.27kg
Product Datasheets

Pricing & Availability

Model Stock Price
Product Code: BK670MBX-PUSH Stock Level:
More than 20 in stock Expected dispatch: Tomorrow

£15.49 ex VAT

£18.59 inc VAT

Delivery Options

The following delivery options are available on this product.

Free Express Delivery

Free of Charge - Orders will be delivered in 1-2 working days by Hermes

Customer Reviews

3 customers have given this product an overall rating of 5 out of 5

Reviews by real customers

All of our product reviews are written by real customers that have purchased this product from us and are published without modification.

Rating: 5 / 5 Stars

Reviewed by: A B

All went as advertised

Published on: 1st July 2020

Rating: 5 / 5 Stars

Reviewed by: A N


Published on: 30th June 2020

Rating: 5 / 5 Stars

Reviewed by: G W

Great service & value from supplier

Published on: 25th June 2020

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