Description
System Sensor HRL-LF L-Series Low Frequency Wall Sounder, Red, Plain
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
- 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
