The System Sensor HRL-LF Low-Frequency Sounder represents a critical component in advanced fire alarm notification appliance circuits, engineered to deliver high-performance audible signaling in complex commercial environments. Designed for wall-mounted installation, this red notification device provides reliable, low-frequency sound generation that meets stringent life safety requirements across diverse architectural spaces.
Specifically optimized for challenging acoustic environments, the HRL-LF sounder delivers exceptional sound coverage and intelligibility in scenarios where traditional notification appliances may struggle. Its specialized low-frequency acoustic signature ensures effective alerting in large commercial facilities, including industrial complexes, multi-story office buildings, healthcare facilities, educational institutions, and high-ceiling industrial spaces.
Key Features
- Multiple candela rating options ranging from 15 to 185 cd, enabling precise notification coverage design
- Low-frequency sound generation optimized for improved sound transmission through structural barriers
- UL 464 and UL 1480 listed for comprehensive fire alarm system compatibility
- Compliant with NFPA 72 notification appliance requirements for commercial installations
- Robust red polycarbonate housing designed for durability in demanding environmental conditions
- Compatible with addressable and conventional fire alarm control panel architectures
Technical Specifications
- Operating Voltage: 24 VDC nominal
- Current Draw: Varies by candela rating (consult installation documentation)
- Mounting: Direct wall mount with integrated mounting plate
- Color: Prominent red RAL 3020 signaling color
- Temperature Range: 32°F to 120°F (0°C to 49°C)
- Relative Humidity: 93% non-condensing
Fire alarm professionals will appreciate the HRL-LF’s versatility across multiple commercial notification scenarios, from large open manufacturing floors to complex multi-zone healthcare environments. Its engineered low-frequency acoustic profile provides superior sound propagation compared to traditional high-frequency sounders, ensuring critical emergency notifications remain clear and comprehensible.
For more information, contact the Life Safety Consultants team at (888) 557-0558, or email us at: sales@lifesafetycom.com
Additional information
| Weight | 1.1 lbs |
|---|---|
| Dimensions | 2 × 4.7 × 5.6 in |
| Condition | New |
| Manufacturers | System Sensor |
| Part Type | Sensor |
