System Sensor HRL-LF L-Series Indoor 2-Wire Selectable Output Low Frequency Sounder, Wall Mount, Red
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Key Features
- Meets NFPA 72 sleeping‑space requirement with a 520 Hz ±10% square‑wave tone to improve occupant wake response and life‑safety performance
- Plug‑in, low‑intrusion design and universal mounting plate with shorting spring speed installation and reduce wiring faults and callbacks
- Field‑selectable output and high/low tone options optimize audible coverage while managing current draw for diverse system needs
- Wall‑mount red housing provides high visibility for fire and security applications and integrates with existing SpectrAlert systems for simple upgrades
- Compatible with MDL3 sync module and 33V DC input for reliable, supervised operation in commercial security and fire monitoring systems
Quick Specifications
- Product Model
- HRL-LF
- Brand Name
- System Sensor
- Product Name
- HRL-LF Security Alarm
- Product Type
- Low Frequency
Frequently Bought Together
System Sensor HRL-LF L-Series Indoor 2-Wire Selectable Output Low Frequency Sounder, Wall Mount, Red
$78.13
3 items selected
Total: $121.12
Product Information Tabs
Overview
Designed for fast installation and reliable life‑safety notification, the System Sensor HRL-LF low frequency sounder provides proven alarm performance for commercial security and fire monitoring applications. The HRL-LF delivers the NFPA‑required 520 Hz ±10% square‑wave low‑frequency tone to improve wake response in sleeping spaces, while field‑selectable high/low settings let integrators balance audibility and current draw. Its plug‑in design with minimal backbox intrusion and a universal mounting plate with onboard shorting spring reduce installation time, eliminate costly ground faults, and allow wiring continuity tests before device fit‑out. The red wall‑mount housing (33V DC input) blends modern aesthetics with compatibility for legacy SpectrAlert and SpectrAlert Advance systems, plus MDL3 sync module support for coordinated signaling. Ideal for fire alarm, security, and building monitoring projects, the HRL-LF helps deliver compliant, dependable audible notification—perfect for new installs or retrofit upgrades. Specify the HRL-LF for enhanced occupant safety and easier commissioning in your next surveillance or alarm system deployment.
Features
- Meets NFPA 72 sleeping‑space requirement with a 520 Hz ±10% square‑wave tone to improve occupant wake response and life‑safety performance
- Plug‑in, low‑intrusion design and universal mounting plate with shorting spring speed installation and reduce wiring faults and callbacks
- Field‑selectable output and high/low tone options optimize audible coverage while managing current draw for diverse system needs
- Wall‑mount red housing provides high visibility for fire and security applications and integrates with existing SpectrAlert systems for simple upgrades
- Compatible with MDL3 sync module and 33V DC input for reliable, supervised operation in commercial security and fire monitoring systems
| General Information | |
|---|---|
| Brand Name | System Sensor |
| Manufacturer | Honeywell International, Inc |
| Product Name | HRL-LF Security Alarm |
| Product Type | Low Frequency |
| Product Model | HRL-LF |
| Product Series | L |
| Manufacturer Part Number | HRL-LF |
| Technical Information | |
| Alarm Type | Audible |
| Application/Usage | Alarm, Security |
| Connectivity Technology | Wired |
| Others | |
| Model Number Replaces | HR-LF |
| Physical Characteristics | |
| Color | Red |
| Depth | 1.5" |
| Width | 4.7" |
| Height | 5.6" |
| Form Factor | Wall Mount |
| Power Description | |
| Power Source | DC |
| Input Voltage | 33V DC |
| Product Information | |
| Mount Type | Wall Mount |
| Miscellaneous | |
| Indoor/Outdoor | Indoor |
| Country of Origin | MX |