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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.
- Lumi-Plugin LED Downlight & Smoke Alarm - Cool White (4000K)LP110WH4KMBWSA
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