Fire sound and light alarm is a four-wire sound and light alarm device installed on site, which can be controlled by the fire alarm controller in the fire control center.
Working Voltage
Bus voltage: Pulsed 24V (15V~28V)
Power supply voltage: DC24V (20V~28V)
Bus monitoring current: ≤0.4mA
Bus activation current: ≤2mA
Operating Current
Power monitoring current: ≤4.0mA
Power activation current: ≤12.0mA
Sound Pressure Level
Sound gradually increases after activation, stabilizing within 3~5 seconds.
75dB~105dB (A-weighted) at 3 meters directly in front when stable.
Tone Modulation Cycle:2.5S~4.5S
Flashing Frequency:1.2Hz~1.8Hz
Coding Method:Electronic coding (occupies one bus address point, configurable between 1~242)
Wiring System:Non-polar two-wire system for both bus and power lines
Operating Environment
Temperature: -10°C~+55°C
Relative humidity: ≤95%RH (non-condensing)
Dimensions:121mm×86mm×45mm (including base)
Housing Color:Red
Weight啊;Approximately 95g (including base)