Grade D1 Systems

Under the requirements of BS5839-6 2019 a Grade D1 system is defined as a system with one or more mains powered devices containing a tamper-proof standby power supply (Battery). All of the below devices are suitable for use as part of a Grade D1 fire alarm system.
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4 Items

  1. FireAngel HM-SN-1 Mains Powered Thermistek Heat Alarm with Lithium Back-Up Battery
    HM-SN-1

    > 230V Mains Powered Alarm
    > 10 Year Sealed Battery
    > Can be upgraded for radio-interlink
    Rating:
    100% of 100
    £46.96 £39.13 As low as £44.78
  2. FireAngel SM-SN-1 Mains Powered Multi-Sensor Smoke Alarm with Lithium Back-Up Battery
    SM-SN-1

    > 230V Mains Powered Alarm
    > 10 Year Sealed Battery
    > Can be upgraded for radio-interlink
    Rating:
    100% of 100
    £46.96 £39.13 As low as £44.78
  3. Lumi-Plugin LED Downlight & Smoke Alarm - Cool White (4000K)
    Sale Lumi-Plugin LED Downlight & Smoke Alarm - Cool White (4000K) Lumi-Plugin LED Downlight & Smoke Alarm - Cool White (4000K)
    LP110WH4KMBWSA

    > 4000K LED Downlight
    > Wireless Interlinking
    > Smoke Alarm Plugin
    Special Price £86.93 £72.44 Regular Price £98.27
  4. Lumi-Plugin LED Downlight & Smoke Alarm - Warm White (3000K)
    Sale Lumi-Plugin LED Downlight & Smoke Alarm - Warm White (3000K) Lumi-Plugin LED Downlight & Smoke Alarm - Warm White (3000K)
    LP110WH3KMBWSA

    > 3000K LED Downlight
    > Wireless Interlinking
    > Smoke Alarm Plugin
    Special Price £86.93 £72.44 Regular Price £98.27
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4 Items