Siren with Flasher Base

Model No.:  LF BSF504


  •  Gradual ring function to prevent people from being astonished.
  • Addressable and it needs to be connected with DC24V and fire alarm control panel.
  • Adopt lowest-power consumption MCU with reliable running.
  • Adopt industrial-grade integrated circuits and can adapt to harsh working conditions.
  • Adopt SMD LED as the light source, which makes it wide visual angel and long operating life.
  • Adopt high quality buzzer with long operating life and loud sound.
  • Adopt screw-in type to install with the detector, so it is easy  to be installed


LF BSF504 siren with flasher base (hereinafter referred to as base) is a kind of detector base which is four-line system, addressable and can send out sound and light alarm signals. It is activated through DC24V power or fire alarm control panel. The base has gradual ring function. When the base is started, the gradual ring circuit can work within a short time, and the sound press can gradually achieve the maximum level. The base is applicable to the LF-PE-6201 smoke detector and LF-HD-6202 heat detector (hereinafter referred to as detector)..

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