Siemens LFSBB-W

DescriptionComprised with a modern, sleek and aesthetic design, the 520 Hz Low-Frequency Sounders (Siemens Series LFS) have been established to comply with the most recent requirements for Low Frequency for Sleeping Areas, per the National Fire Protection Association: NFPA 72 for Fire alarm and NFPA 720 for Carbon Monoxide alarm. Specifically, the Model LFSBB-W Backbox is used for mounting the following 520 Hz Horn appliances: LFS-F-W, LFS-CO-W, LFS-AL-W, and LFS-N-W.