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    Horns & Sounders

    L-Series Low Frequency Wall Sounder

    L-Series low frequency sounders include a variety of features that increase their application versatility while simplifying installation.

    Overview

    L-Series low frequency sounders include a variety of features that increase their application versatility while simplifying installation. They 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 making installations fast and foolproof while virtually eliminating costly and time-consuming ground faults. Installers can also easily adapt devices to a suit a wide range of application requirements with 24V operation and a rotary switch for 520 Hz low frequency sounder tones.

    Features & Benefits:
    • 520 Hz ± 10% square wave tone, NFPA compliance<
    • Full candela range plus High/low tone options to optimize current draw for a wide variety of applications
    • Compact and standard, and round ceiling options
    • Field-selectable candela settings on wall units: 15, 30, 75, 95, 110, 135, and 185
    • Rotary switch for high and low, temp 3 and temp 4 settings
    • Plug-in design with minimal intrusion into the backbox
    • Mounting plate shorting spring checks wiring continuity before device installation
    • Electrically compatible with legacy SpectrAlert® and SpectrAlert Advance devices
    • Updated modern aesthetics
    Certifications:
    • UL Listed: S4011
    • ULC Listed
    • FM Approved: PR452768
    • CSFM: 7135-1653:0516
    Others
    Name
    Description
    File Size
    Date
    Size
    L-Series Low Frequency HGRL-LF-HGWL-LF CAD and BIM files
    application/zip 1.5 MB
    4/28/2023
    1.5 MB
    HWL-LF BIM File
    application/x-tika-msoffice 564 KB
    564 KB
    HRL-LF BIM File
    application/x-tika-msoffice 576 KB
    576 KB
    L-SERIES LOW FREQUENCY : Low Frequency Sounders and Sounder Strobes
    application/pdf 217.69 KB
    3/9/2023
    217.69 KB
    L-Series Low Frequency Sounders and Sounder Strobes
    application/pdf 154.01 KB
    5/14/2023
    154.01 KB
    L-Series Low Frequency Sounders and Sounder Strobes
    application/pdf 153.34 KB
    5/14/2023
    153.34 KB
    L-SERIES LOW FREQUENCY : Low Frequency Sounders and Sounder Strobes
    application/pdf 215.68 KB
    5/14/2023
    215.68 KB
    L-SERIES LOW FREQUENCY : Low Frequency Sounders and Sounder Strobes
    application/pdf 212.54 KB
    5/14/2023
    212.54 KB
    L-Series: Horn Compact (Wall) CAD-BIM
    application/zip 1.33 MB
    4/28/2023
    1.33 MB
    Low Frequency Sounders and Sounder Strobes FAQ
    application/pdf 131.9 KB
    5/24/2023
    131.9 KB
    L-Series: Horn (Wall) CAD-BIM
    application/zip 1.32 MB
    4/28/2023
    1.32 MB
    L-Series Low Frequency Sounder Strobes Manual
    application/pdf 2.52 MB
    5/10/2023
    2.52 MB
    L-Series: Strobe Compact (Wall) CAD-BIM
    application/zip 1.36 MB
    4/28/2023
    1.36 MB
    L-Series: Horn Strobe (Ceiling) CAD-BIM
    application/zip 3.75 MB
    4/28/2023
    3.75 MB
    L-Series Low Frequency HRL-LF-HWL-LF CAD and BIM files
    application/zip 1.53 MB
    4/28/2023
    1.53 MB
    L-Series Low Frequency Sounder Strobes Datasheet
    application/pdf 2.28 MB
    5/14/2023
    2.28 MB
    L-Series: Horn Strobe Compact (Wall) CAD-BIM
    application/zip 1.46 MB
    4/28/2023
    1.46 MB
    L-Series Low Frequency Sounders Engineering Spec Engineering Specs
    application/msword 183.5 KB
    5/14/2023
    183.5 KB
    Low Frequency Notification Appliances Applications Guide
    application/pdf 320.97 KB
    8/1/2023
    320.97 KB
    L-Series Low Frequency HCRL-LF-HCWL-LF CAD and BIM files
    application/zip 5.09 MB
    4/28/2023
    5.09 MB
    Installation Instructions
    Name
    Description
    File Size
    Date
    Size
    L-Series Low Frequency Sounder-Strobes Installation Guide
    application/pdf 5.11 MB
    5/8/2023
    5.11 MB
    Name
    Description
    File Size
    Date
    Size
    L-Series Low Frequency HGRL-LF-HGWL-LF CAD and BIM files
    application/zip 1.5 MB
    4/28/2023
    1.5 MB
    HWL-LF BIM File
    application/x-tika-msoffice 564 KB
    564 KB
    HRL-LF BIM File
    application/x-tika-msoffice 576 KB
    576 KB
    L-SERIES LOW FREQUENCY : Low Frequency Sounders and Sounder Strobes
    application/pdf 217.69 KB
    3/9/2023
    217.69 KB
    L-Series Low Frequency Sounders and Sounder Strobes
    application/pdf 154.01 KB
    5/14/2023
    154.01 KB
    L-Series Low Frequency Sounders and Sounder Strobes
    application/pdf 153.34 KB
    5/14/2023
    153.34 KB
    L-SERIES LOW FREQUENCY : Low Frequency Sounders and Sounder Strobes
    application/pdf 215.68 KB
    5/14/2023
    215.68 KB
    L-SERIES LOW FREQUENCY : Low Frequency Sounders and Sounder Strobes
    application/pdf 212.54 KB
    5/14/2023
    212.54 KB
    L-Series: Horn Compact (Wall) CAD-BIM
    application/zip 1.33 MB
    4/28/2023
    1.33 MB
    Low Frequency Sounders and Sounder Strobes FAQ
    application/pdf 131.9 KB
    5/24/2023
    131.9 KB
    L-Series: Horn (Wall) CAD-BIM
    application/zip 1.32 MB
    4/28/2023
    1.32 MB
    L-Series Low Frequency Sounder Strobes Manual
    application/pdf 2.52 MB
    5/10/2023
    2.52 MB
    L-Series: Strobe Compact (Wall) CAD-BIM
    application/zip 1.36 MB
    4/28/2023
    1.36 MB
    L-Series: Horn Strobe (Ceiling) CAD-BIM
    application/zip 3.75 MB
    4/28/2023
    3.75 MB
    L-Series Low Frequency HRL-LF-HWL-LF CAD and BIM files
    application/zip 1.53 MB
    4/28/2023
    1.53 MB
    L-Series Low Frequency Sounder Strobes Datasheet
    application/pdf 2.28 MB
    5/14/2023
    2.28 MB
    L-Series: Horn Strobe Compact (Wall) CAD-BIM
    application/zip 1.46 MB
    4/28/2023
    1.46 MB
    L-Series Low Frequency Sounders Engineering Spec Engineering Specs
    application/msword 183.5 KB
    5/14/2023
    183.5 KB
    Low Frequency Notification Appliances Applications Guide
    application/pdf 320.97 KB
    8/1/2023
    320.97 KB
    L-Series Low Frequency Sounder-Strobes Installation Guide
    application/pdf 5.11 MB
    5/8/2023
    5.11 MB
    L-Series Low Frequency HCRL-LF-HCWL-LF CAD and BIM files
    application/zip 5.09 MB
    4/28/2023
    5.09 MB
    Name
    Description
    File Size
    Date
    Size
    L-Series Low Frequency HGRL-LF-HGWL-LF CAD and BIM files
    1.5 MB
    4/28/2023
    HWL-LF BIM File
    564 KB
    HRL-LF BIM File
    576 KB
    L-SERIES LOW FREQUENCY : Low Frequency Sounders and Sounder Strobes
    217.69 KB
    3/9/2023
    L-Series Low Frequency Sounders and Sounder Strobes
    154.01 KB
    5/14/2023
    L-Series Low Frequency Sounders and Sounder Strobes
    153.34 KB
    5/14/2023
    L-SERIES LOW FREQUENCY : Low Frequency Sounders and Sounder Strobes
    215.68 KB
    5/14/2023
    L-SERIES LOW FREQUENCY : Low Frequency Sounders and Sounder Strobes
    212.54 KB
    5/14/2023
    L-Series: Horn Compact (Wall) CAD-BIM
    1.33 MB
    4/28/2023
    Low Frequency Sounders and Sounder Strobes FAQ
    131.9 KB
    5/24/2023
    L-Series: Horn (Wall) CAD-BIM
    1.32 MB
    4/28/2023
    L-Series Low Frequency Sounder Strobes Manual
    2.52 MB
    5/10/2023
    L-Series: Strobe Compact (Wall) CAD-BIM
    1.36 MB
    4/28/2023
    L-Series: Horn Strobe (Ceiling) CAD-BIM
    3.75 MB
    4/28/2023
    L-Series Low Frequency HRL-LF-HWL-LF CAD and BIM files
    1.53 MB
    4/28/2023
    L-Series Low Frequency Sounder Strobes Datasheet
    2.28 MB
    5/14/2023
    L-Series: Horn Strobe Compact (Wall) CAD-BIM
    1.46 MB
    4/28/2023
    L-Series Low Frequency Sounders Engineering Spec Engineering Specs
    183.5 KB
    5/14/2023
    Low Frequency Notification Appliances Applications Guide
    320.97 KB
    8/1/2023
    L-Series Low Frequency HCRL-LF-HCWL-LF CAD and BIM files
    5.09 MB
    4/28/2023
    L-Series Low Frequency Sounder-Strobes Installation Guide
    5.11 MB
    5/8/2023