System Sensor 4WTAR-B SF 03/02 The door holder operates with

The door holder operates with low power consumption and can withstand up to 25 lb of holding force

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

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

The KI-ABLT is suitable for applications requiring low frequency audible tones

System Sensor 4WTAR-B SF 03/02 The door holder operates withSystem 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