The SD-651 is designed to meet the performance criteria designated by UL. Its sensing chambers are sealed against back pressure air flow, dirt, and insects.
System Sensor L-Series selectable output speaker strobes and dual-voltage evacuation speakers can reduce ground faults and enable faster installation with lower current draw and modern aesthetics.
Highly flexible mixer amplifiers are designed for a wide variety of voice and background music applications such as retail shops, restaurants and bars, service centers, houses of worship, warehouses e