Bosch Security DS939 Panoramic Motion Detector

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Was: $275.00
Now: $165.00

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Product Overview

The ceiling mount DS939 PIR Detector provides up to 54 ft (16.4m) panoramic coverage pattern and can be mounted on ceilings as high as 20 ft (6.1m). With three separate PIR sections that are fully adjustable, the DS939 detectors provide coverage integrity at all mounting heights, plus the ability to customize the coverage for specific areas. The DS939 detector uses several patented processing techniques to provide excellent catch performance with freedom from false alarms.


  • Additional Information
    For UL, ULC applications, provides up to 7.0 m (23 ft) radius, 14.0 m (46 ft) diameter 360° coverage when mounted up to 6.1 m (20 ft).
  • Alarm/Siren
  • Color
  • Contact Rating
    28 VDC, 125 mA, 3 W maximum
  • Contact Type
    Alarm contacts rated
  • Current Draw
    12 mA standby; 20 mA in alarm with LEDs enabled
  • Design
    Modular chassis and hinged mounting base design provide easy access to field setup switches and wiring.
  • Includes
    A masking kit containing two 120° and two 90° masks is included to allow masking unwanted areas. Apply the masks to the outside of the detector. With the supplied masks, you can mask 90°, 120°, 180°, 210°, 240°, or 330°
  • Lights
  • Metric Size
    8.9cm x 17.8cm
  • Mounting Location
  • Operating Temperature
    -40 ℃ to +49 ℃ (-40 ℉ to + 120 ℉)
  • Power
  • Range
    Up to 23' x 360°
  • Relay
    Silent-operating form C relay
  • Size
    3.5" x 7"
  • Standards
    UL 20190115; UL639 – Standard for Intrusion-Detection Units
  • Type
    Passive Infrared (PIR)
  • Unit of Measure
  • Voltage
    9 VDC to 15 VDC

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