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System Sensor D4120 4 Wire Photoelectric Duct Smoke Detector

$ 63.35

Availability: 100 in stock
  • MPN: D4120
  • Condition: New
  • All returns accepted: ReturnsNotAccepted
  • Brand: System Sensor
  • Model: D4120
  • Type: Smoke Detectors
  • Custom Bundle: No

    Description

    Features
    • 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.
    • Broad ranges for operating temperature (–4°F to 158°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 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, 24 VAC/DC or 120VAC