System Sensor D4120W

System Sensor

Duct Smoke Detector, Photoelectric

D4120W 1359386
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ItemDuct Smoke Detector
TypeWatertight, Photoelectric
Alarm Current100mA
Depth (In.)2-1/2
Length (In.)14-3/8
Width (In.)5-1/2
Ambient Temp. Limits (F)-4 to 158
Air Velocity (FPM)100 to 4000
Alarm Aux. Contact @ 30VDC10A
Humidity Range (% RH)0 to 95
Number Required1
Voltage24VDC/ 24VAC/ 120VAC
Standards UL
Includes Housing and Detector
Package Quantity 1
Weight 3.300000


Duct Smoke Detector, Watertight, Photoelectric, Finish White, Duct Mounting, Alarm Current 100mA, Depth 2 1/2 In., Length 14 3/8 In., Width 5 1/2 In., Ambient Temp. Limits -4 to 158 F, Air Velocity 100 - 4000 FPM, Alarm Aux. Contact @ 30VDC 10A, Humidity Range 0 to 95 % RH, Voltage 24VDC/ 24VAC/ 120VAC, Standards UL, Includes Housing and Detector

Duct Smoke Detectors
  • 2GWK9 features a versatile mounting option for square or rectangular configurations. Modular construction allows installation for either round or rectangular ductwork. Allows up to 50 detectors to be interconnected for multifan shutdown.
  • 5CGZ1 is NEMA Type 4 and UL Listed.
  • Operating voltage: 120/24VAC or 24VDC

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