Edwards Signaling SB4U-LF Low Frequency Audible (Sounder) Base NEXT total current draw cannot exceed

total current draw cannot exceed the unit’s rating

supervised inputs

The POTS transmits system status (alarms

bone and connective tissue in order to reduce pain

Edwards Signaling SB4U-LF Low Frequency Audible (Sounder) Base NEXT total current draw cannot exceedEdwards 520 Hz sounder bases add UL 464 listed low frequency audible output to the entire Edwards line of intelligent smoke, heat, and CO detectors. When mounted with a matching detector, they provide a clean finished appearance and high performance audible output. The integrated appearance of combined detector and base offers a low profile and unobtrusive alternative to separately installed horns and detectors. It also reduces installation costs by