System Sensor® D4120

Duct Smoke Detector, Conventional 4-wire Photoelectric, System Sensor D4120

Manufacturer: System Sensor
Brand: System Sensor®
Part #: 282850
MPN: D4120
CPN:
Min. Order Qty: 1
Qty Order Interval: 1
Dimensions      :      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
Humidity Rating      :      Operating Temperature -4 to 158 deg F
Operating Temperature      :      -4 to 158 deg F
Power Source      :      24 VAC

System Sensor® Duct Smoke Detector, 24 VAC, 0 to 95% Humidity Rating, -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

  • 4-wire photoelectric integrated low flow technology
  • Air velocity rating from 100 ft/min to 4000 ft/min (0.5 m/s to 20.32 m/sec)
  • Versatile mounting options square or rectangular configuration
  • Plug-in sensor offers superb false alarm immunity and the latest sensor technology
  • Broad ranges for operating temperature -4 to 158 deg F and humidity 0 to 95% non-condensing
  • Patented sampling tube installs from front or back of the detector with no tools required
  • Increased wiring space with a newly added 3/4 in conduit knockout
  • One easy access Test/Reset button and improved LED status
  • Patented interconnect feature for multi-fan shutdown
  • New high contrast terminal designations
  • Built-in short circuit protection from operator wiring errors
  • Field selectable settings for configuring the detector
  • Two DPDT Form-C relay contacts
  • Backward compatibility with existing Innovair products including remote accessories

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