Indoor Siren Base, roja – FNM-420-A-BS-RD Bosch

• Red strobe flash base analog siren.
• Indoor base sirens are used to signal an alarm directly at the fire location.
• Can be used as base sirens or as standalone sirens.
• Detector base siren with 32 selectable alarm and evacuation tone types.
• 5 selectable sound pressure levels from 65 dB(A) until 90 dB(A).
• Maximum consumption of < 3,7 mA which allows to install up to 50 sirens powered from the LSNi loop itself.
• Immediate automatic synchronization of all active sounders on the loop.
• Serves as the basis for the FNS-420-R strobe flashes.
• Operating voltage: 15 V DC . . 33 V DC (constant sound pressure between 20 Vcc and 33 Vcc)
• Consumption in standby / alarm: < 1 mA / < 3,7 mA . Degree of protection: IP42.
• Dimensions (diameter x height): 115 x 40 mm . Material: ABS red RAL 3001.
• Supplied with lid.
• Volume up to 92,1 dB(A).
• Maximum current consumption less than 3.85 mA.
• Until 100 sirens by LSN loop.
• Immediate synchronization.
• can be selected 32 types of different tones (incl. DIN pitch).

Download Technical Data Sheet