As specified by BS5839-6, a Grade D2 system comprises of one or more mains-powered detectors, each with an integral standby power supply consisting of a user-replaceable battery or batteries.
All of the below devices are suitable for use as part of a BS5839-6 Grade D2 fire alarm system.
Grade D2 Systems
As specified by BS5839-6, a Grade D2 system comprises of one or more mains-powered detectors, each with an integral standby power supply consisting of a user-replaceable battery or batteries.
All of the below devices are suitable for use as part of a BS5839-6 Grade D2 fire alarm system.
- KF30
> 230v Heat Alarm
> 9v Alkaline Back-Up Battery
> Low Profile Design£32.56 £27.13 As low as £31.06 £25.88
In Stock
- Ei144e
> Mains Powered Heat Alarm
> Alkaline Battery Back Up
> 5 Year Manufacturers Warranty£45.00 £37.50
In Stock