A fire alarm sound addressable Sirena-I esp. L is designed to notify of fire or other emergencies as part of fire alarm systems by issuing an audible (Sirena-I esp.
L) notification signal. The power supply of the device is carried out through the signal line (SL) connected to the fire alarm control panel.
The current consumed by the device is: in the mode of issuing a warning signal (SO) not more than 12 mA; in the standby mode not more than 80 mA. The sound pressure level developed by the device at a distance of 1 m is from 95 to 105 dB.
2.5 The device maintains its operability in the temperature range from minus 30°C to plus 55°C. Overall dimensions of the device, not more: diameter - 107 mm; height - 47 mm.
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