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D4120W

D4120W--WATERTIGHT LOW FLOW DETECTOR

The D4120W 4-wire photoelectric duct smoke detector features a waterproof, 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. Plug-in se

Features/Benefits

  • Backward compatible with existing accessories
  • Waterproof NEMA® 4 enclosure
  • Two DPDT relay contacts
  • Built-in short circuit protection
  • Field selectable configuration settings
  • Easy access Test/Reset button
  • High contrast terminal designations
  • Plug-in sensor
  • Increased wiring space
  • Square or rectangular mounting options
  • 4-wire Photoelectric, integrated low-flow technology
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Operating Temperature: -4°F to 158°F (-40°C to 70°C)
Operating Humidity: 0 to 95% RH (Non-condensing)
Air Duct Velocity: 100 to 4000 ft/min
Systems Monitoring
Smoke Detection
SDS Product Sheets Cross Reference Information
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Manuals Application Sheets Software
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