The sirens are designed to notify of fire or other emergencies as part of fire alarm systems by issuing an audible warning signal. The sirens are designed to work as part of an integrated security system IBS "Strelets-Integral" together with the receiver-control device "BSL-240" and other fire control devices (hereinafter - FCIS) with a similar exchange protocol FCIS - siren.
The siren is powered by a signal line (SL) connected to the fire alarm control panel. The frequency response of the siren is within the band from 200 to 5000 Hz.
The siren remains operable in the temperature range from minus 10º C to 55º C. The siren retains operability when exposed to relative humidity of 85% at a temperature of plus 40º C.
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