System Sensor HWL-LF L-Series 2-Wire, 24 Volt, 520Hz, Wall Sounder, White

System Sensor HWL-LF L-Series Indoor Selectable Output Low Frequency Sounder, 2-Wire, Wall Mount, NO Marking, White

System Sensor L-Series audible visible notification products are rich with features guaranteed to cut installation times and maximize profits with lower current draw and modern aesthetics.

The System Sensor L-Series offers the most versatile and easy-to-use line of horns, strobes, and horn strobes in the industry with lower current draws and modern aesthetics. With white and red plastic housings, standard and compact devices, and plain, FIRE, and FUEGO-printed devices, System Sensor L-Series can meet virtually any application requirement.

The low frequency sounder and low frequency sounder strobes were 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. Like the entire L-Series product line they include a variety of features that increase their application versatility while simplifying installation. All 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.

White Low Frequency Sounder Main Features

• Updated Modern Aesthetics
• Small profile devices for Horns and Horn Strobes
• Plug-in design with minimal intrusion into the back box
• Tamper-resistant construction
• Automatic selection of 12- or 24-volt operation at 15 and 30 candela
• Field-selectable candela settings on wall units: 15, 30, 75, 95, 110, 135, and 185
• Horn rated at 88+ dBA at 16 volts
• Rotary switch for horn tone and two volume selections
• Mounting plate for all standard and all compact wall units
• Mounting plate shorting spring checks wiring continuity before device installation
• Electrically compatible with legacy SpectrAlert and SpectrAlert Advance devices
• Compatible with MDL3 sync module
• Strobes and Horn Strobes listed for wall mounting only
• Horns listed for wall or ceiling use