SMOKE DETECTOR DUCT SYSTEM SENSOR

D4120 MFG #: D4120
Available

System Sensor® System Sensor® D4120 Duct Smoke Detector, 24 VAC

System Sensor® System Sensor® Duct Smoke Detector, 24 VAC, 0 to 95% Humidity, -4 to 158 deg F Operating, 14.38 in L x 5 in W x 2.5 in D Rectangular/7.75 in L x 9 in W x 2.5 in D Square

The InnovairFlex D4120 4-wire photoelectric duct smoke detector features a pivoting housing that fits both square and rectangular footprints and mounts to round or rectangular ductwork. This unit senses smoke in the most challenging conditions, operating in airflow speeds of 100 to 4,000 feet per minute, temperatures of -4 to 158 deg F, and a humidity range of 0 to 95 percent (noncondensing). A plug-in sensor head offers improved false alarm immunity and simple installation, testing, and maintenance. An improved cover design isolates the sensor head from the low-flow feature for simple maintenance.

  • Dimensions
  • Power Source
  • Operating Temperature
  • Humidity Rating
14.38 in L x 5 in W x 2.5 in D Rectangular/7.75 in L x 9 in W x 2.5 in D Square
24 VAC
-4 to 158 deg F
0 to 95%