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    Discontinued

    Horns & Sounders

    SpectrAlert® Advance Selectable-Output Low Frequency Sounder

    SpectrAlert® Advance HR-LF Selectable-Output Low Frequency Sounders are red, two-wire, 12/24V, low frequency sounders for wall or ceiling installation.

    Overview
    SpectrAlert® Advance HR-LF Selectable-Output Low Frequency Sounders are red, two-wire, 12/24V, low frequency sounders for wall or ceiling installation. These sounders are designed to address the NFPA 72 sleeping space requirements that require a low frequency notification appliance that operates within frequency range of 520 Hz ± 10% and is of a square wave tone. These devices feature plug-in designs with minimal intrusion into the back box, making installations fast and foolproof while virtually eliminating costly and time-consuming ground faults.Certifications:
    • UL Listed: S4011
    • MEA Listed: MEA452-05-E
    • FM Approved: 3047563
    • CSFM: 7135-1653:0223; 7125-1653:0224
    Honeywell will provide product support until
    Specifications

    Others

    • Brand
      • System Sensor

    Others

    • Brand
      • System Sensor
    • Brand : System Sensor
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    HR-LF
    Low Frequency Sounder, Wall or Ceiling Mount, Red, 2-wire, 1224V
    https://honeywell.scene7.com/is/image/Honeywell65/hbt-fire-HR-LF_STRAIGHT
    HR-LF
    Low Frequency Sounder, Wall or Ceiling Mount, Red, 2-wire, 1224V
    https://honeywell.scene7.com/is/image/Honeywell65/hbt-fire-HR-LF_STRAIGHT