HWL-LF
System Sensor HWL-LF L-Series Low-Frequency Wall Horn White
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Specifications
- Manufacturer
- System Sensor
- Part number
- HWL-LF
- Product type
- Audible Devices
- Platform
- L series
- Mounting
- Ceiling, Wall
- Certification
- UL Listed
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Before you order
Match the part number to the one specified for your system, and check compatibility and required accessories (such as the detector base) in the manufacturer's documentation.
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Product details
HWL-LF is a System Sensor L-Series low-frequency wall horn (sounder) with a white housing and no strobe. It sounds a 520 Hz ±10% square-wave tone to meet the NFPA 72 low-frequency requirement for sleeping areas and is listed to UL 464. The white finish suits interiors where a red device is not wanted.
Key features
- 520 Hz low-frequency square-wave tone
- Temporal 3, Temporal 4, continuous or coded patterns
- High and low volume settings
- Plug-in design on a universal mounting plate with continuity-check shorting spring
- Synchronizes with the MDL3 module; electrically compatible with legacy SpectrAlert devices
Specifications
| Series | System Sensor L-Series Low Frequency |
| Device | Low-frequency sounder, wall |
| Color | White |
| Frequency | 520 Hz ±10% square wave |
| Sound output | 80 dBA high / 76 dBA low (UL reverberant) |
| Max. current (DC) | 108–111 mA high, 78–80 mA low |
| Operating voltage | 16–33 V (24 V nominal), regulated DC or FWR |
| Operating temperature | 32°F to 120°F (0°C to 49°C) |
| Humidity | 10–93% non-condensing |
| Wire gauge | 12–18 AWG |
| Dimensions | 5.6 in L × 4.7 in W × 1.5 in D |
| Listing | UL 464 |
Before you order
This model has no strobe; for a white low-frequency horn strobe see the P2WL-LF. The SBBWL surface back box is optional, and a red housing is available as HRL-LF.
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Documents
Goes with HWL-LF
