Sounder IndoorThe indoor sounders FNM-420-A-RD are used independently for signaling an alarm directly at the fire location. The maximum number of devices on each loop depends on the cable diameter and the total current of the loop.FNM-420-A-RDBosch Addressable Fire Alarm System (EN 54)1.000đSoldOut
Sounder Indoor
FNM-420-A-RD
The indoor sounders FNM-420-A-RD are used independently for signaling an alarm directly at the fire location. The maximum number of devices on each loop depends on the cable diameter and the total current of the loop.