Fire Alarm - EN54 - Signaling Devices
FNM-420-B-RD Sounder Outdoor, Red
- Volume up to 102.5 dB(A)
- Maximum current consumption less than 3,9 mA
- Up to 75 sounders per LSN 300 A loop and 100 sounders per LSN 1500 A loop.
- Constant sound pressure level between 22 V and 33 V operating voltage
The outdoor sounder is used independently for signaling an alarm directly at the fire location at outside areas.