SMOKE DETECTOR WATERTIGHT DUCT SYSTEM SENSOR

D4120W MFG #: D4120W
Duct Smoke Detector; Type Photoelectric, Conventional, Watertight; Voltage Rating 120 Volt AC, 24 Volt AC/DC; Operating Temperature -4 to 158 Deg F; Size 14.38 Inch Length x 5 Inch Width x 2.5 Inch Depth (Rectangular), 7.75 Inch Length x 9 Inch Width x 2.5 Inch Depth (Square); Approval UL, MSFM; Enclosure Type NEMA 4; Relay Contact (2) DPDT Form-C; Number of Wires 4; Air Velocity 100 to 4000 Foot per Minute; Humidity 0 to 95 Percent; Application HVAC System Monitoring
  • Operating Temperature
  • Approval
  • Type
  • Voltage
  • Size
-4 to 158 Deg F
UL, MSFM
Photoelectric, Conventional, Watertight
120 Volt AC, 24 Volt AC/DC
14.38 Inch Length x 5 Inch Width x 2.5 Inch Depth (Rectangular), 7.75 Inch Length x 9 Inch Width x 2.5 Inch Depth (Square)