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System Sensor D4120 4-Wire Photoelectric Low-Flow Duct Smoke Detector
System Sensor D4120 4-Wire Photoelectric Low-Flow Duct Smoke Detector

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System Sensor D4120 4-Wire Photoelectric Low-Flow Duct Smoke Detector

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$187.11
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Description  

Series/Model: InnovairFlex Series


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.

Sampling Tubes are not included

4-Wire Photoelectric, integrated low-flow technology

Air velocity rating from 100 ft/min to 4,000 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

Patented sampling tube installs from front or back of the detector with no tools required

Increased wiring space with a newly added ¾-inch 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

 


Details:

  • Duct Smoke Detector
  • Type 4-Wire, Photoelectric
  • Voltage Rating 24 Volt AC/DC or 120 Volt AC
  • 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)
  • Mounting Versatile
  • Approval UL S911, FM
  • Air Duct Velocity 100 to 4000 Foot per Minute
  • Humidity Rating 10 to 95 Percent Relative Humidity Non-Condensing
  • 4-Wire Photoelectric, Integrated Low-Flow Technology
  • Versatile Mounting Options Square or Rectangular Configuration
  • Plug-In Sensor Offers Superb False Alarm Immunity and the Latest Sensor Technology
  • Patented Sampling Tube Installs from Front or Back of the Detector with No Tools Required
  • Increased Wiring Space with a Newly Added 3/4 Inch 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

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