System Sensor 4WTAR-B SF 03/02 Primary applications include notification appliance

Primary applications include notification appliance (bell) circuit (NAC) expansion (to support ADA requirements and NAC synchronization) or auxiliary power to support 24 volt system accessories

Superior test and operational features added to the standard model are also available in this watertight unit

Studies have shown that low-frequency audible devices that operate around 520 Hz are more effective in waking individuals in sleeping areas

— DB-X11RS Relay Base

DELIVERY TO A BUSINESS WITHOUT A LOADING DOCK OR FORKLIFT

System Sensor 4WTAR-B SF 03/02 Primary applications include notification applianceSystem Sensor 4WTAR B Photoelectric i3 Series Smoke Detector, 4 Wire, Thermal Sensor, Built In Sounder, Form C Relay, White. System Sensor i3 sounder and relay smoke detectors apply the guiding principles of installation ease, intelligence, and instant inspection in a series of specialty conventional devices. To reduce the likelihood of nuisance alarms, all i3 detectors are equipped with both drift compensation and smoothing algorithms. These