System Sensor low Frequency Sounders and Sounder Strobes meet the NFPA 72®2010/2013 low frequency requirements effective January 1, 2014 for all commercial and certain residential sleeping spaces.
Overview
System Sensor low Frequency Sounders and Sounder Strobes meet the NFPA 72®2010/2013 low frequency requirements effective January 1, 2014 for all commercial and certain residential sleeping spaces. Studies driving these requirements have shown that a lower frequency is more effective at waking individuals in a fire event, including those with mild to severe hearing loss.
L-Series Speakers are 520 Hz capable with compatible FACP.
Features & Benefits:
- 520 Hz ± 10% square wave tone
- Plug-in design with minimal intrusion into the back box
- LF Sounder Strobe field-selectable candela settings on wall : 135, 150, 177, 185, Speaker Strobes have full range 15-185cd
- Rotary switch for low frequency sounder tone
- Mounting plate shorting spring checks wiring continuity before device installation
- Listed for ceiling or wall mounting
Specifications
- Standard Operating Temperature 32°F to 120°F (0°C to 49°C)
- Humidity Range 10 to 93% non-condensing
- Frequency Range 520 Hz ± 10%
- Strobe Flash Rate 1 flash per second
- Nominal Voltage Regulated 12VDC or regulated 24DC/FWR1
- Operating Voltage Range 8 to 17.5V (12V nominal) or 16 to 33V (24V nominal)
- Electrically compatible with System Sensor Sync Circuit listed to UL 464
- Compatible with previous designs dating back to 1997
- Input terminal wire gauge 12 to 18 AWG
Listings:
- UL
- FM
- CSFM