Field Programmable Electronic Horn
The Edwards 2447TH series is a low current, high decibel, high quality notification appliance intended for use in fire alarm applications. The horn is a self-synchronized, temporal signal that meets the requirements of NFPA 72. It is suitable for wall or ceiling mounting in outdoor or indoor applications. Both output level and sound pattern are field selectable. The unit comes factory set for a temporal signal with a 104 dB output.
Link to this product
For web page (with image):
- Fire Alarm Product Guide
A guide for the Edwards fire alarm products, including the E-FSC conventional panels, E-FSA addressable panels, initiating devices, signaling devices, and accessories.
- NAC Load Wiring and dB Calcs_V6b1.xls
Tool for calculating NAC (signal circuit) and speaker circuit loads and wire distances, plus a dB vs. distance calculator.
- Wiring Guide Tech Bulletin
Fire Alarm Signaling Systems Wiring Practices Manual