System Sensor P2WL-LF
System Sensor P2WL-LF
In stock!
The System Sensor P2WL-LF is a 2-wire wall sounder strobe that pairs a 520 Hz low-frequency sounder with a clear strobe in one white housing, built to satisfy NFPA 72's low-frequency notification requirement for sleeping areas. Its plug-in design and mounting-plate shorting spring let installers verify wiring continuity before the sounder strobe itself is connected.
Key Features
- 520 Hz ± 10% square-wave low-frequency sounder for sleeping-area compliance
- Field-selectable candela: 15, 30, 75, 95, 110, 135, and 185
- Rotary switch for High/Low, Temp3, Temp4, and Continuous tone settings
- Plug-in mounting plate with wiring-continuity check before install
Technical Specifications
- Circuit: 2-wire notification appliance circuit (NAC), 24V
- Electrically compatible with legacy SpectrAlert and SpectrAlert Advance devices
Certifications
- UL 464 Listed (audible) and UL 1971 Listed (visual)

