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Mains Powered Optical Smoke Alarm with Alkaline Back-up Battery - BRK 660MBX

1 Customer Reviews
£19.99 ex VAT
£23.99 inc VAT
Product Overview

The BRK 660MBX mains powered optical smoke alarm features a thermally enhanced sensor to quickly detect slow smouldering fires. Supplied with a 9V alkaline back-up battery to ensure the alarm remains powered after a mains failure, the 660MBX can be hard wire interlinked within a single system of up to 12 smoke and heat alarms.

  • Free next day delivery, dispatched same day if ordered before 3.00pm
  • Power: 230V mains powered with battery back-up
  • Back-up Battery: 9V alkaline back-up battery (included)
  • Warranty: 5 year manufacturer's warranty
  • Suitable for installations complying to BS 5839-6: 2013 Grade D, E and F
  • Includes slimline twist-fit base suitable for flush mounting
  • CE marked and Kitemarked to BS EN 14604
  • Suitable for bedrooms, living rooms and downstairs hallways
  • Provides quick detection of slow smouldering fires
  • Up to 12 600MBX series smoke and heat alarms can be interlinked (via cable)
  • An interlinking system provides the earliest possible warning of fire
  • Combined Test and Hush button feature
  • Suitable replacement for the DETA 1153 and DETA 1113 Thermally Enhanced Optical Alarms
  • Supplied with fixings: 2 x screws and 2 x rawl plugs

Please note: the base plate included with this alarm is not suitable for surface-mounted wiring such as trunking. Please see the BRK 760MBX with push-fit base instead.


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 BK660MBX
Alternative Product Codes BK660MBX, 660MBX, DETA1153, 1153, DETA1113, 1113, 650MBX
Brand BRK
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: BK660MBX Stock Level:
More than 20 in stock Expected dispatch: Tomorrow

£19.99 ex VAT

£23.99 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

1 customer has 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: K S

Excellent service, excellent product.

Published on: 29th October 2020

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