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Dual Tech Occupancy Sensor, 24VDC, Center Mount, 360°

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The DT-300 Series Dual Technology Ceiling Sensors combine the benefits of passive infrared (PIR) and ultrasonic technologies to detect occupancy. Sensors have a flat, unobtrusive appearance and provide 360 degrees of coverage.

Contact Rating 1 A @ 30 VDC/VAC


  • Sensors work with low-voltage momentary switches to provide manual control
  • Patented ultrasonic diffusion technology spreads coverage to a wider area
  • LEDs indicate occupancy detection
  • Uses plug terminal wiring system for quick and easy
  • Eight occupancy logic options provide the ability to customize
  • Available with isolated relay for integration with BAS or HVAC
  • BAA/TAA-compliant models available


General Info
UPC Number 754182913824
Country Of Origin China
Product Line Wattstopper
Additional Information
Product Environmental Profile Yes



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Questions & Answers

how do you install the product what are the steps to installing it

Asked by: Maglec Banewood
Here is a link to the complete set of installation instructions for the sensor. https://legrand.webdamdb.com/directdownload.php?ti=55647327&tok=pG2pR9JQX0RB5Rj0EAPWCgRR
Answered by: Legrand Technical Support
Date published: 2021-11-29

How many sensors can be put daisy chained together?

Asked by: Jgpiii
Each Wattstopper BZ series power pack can supply power for 7 DT-305 sensors.
Answered by: Tier 1 Tech Support
Date published: 2021-09-15

What is the recommended mounting height for the DT-300; 305; 355 ceiling sensors. Customer has 25' ceiling and I am not sure if these are rated for that height.

Asked by: JoJo
The sensor is design for mounting height of 8-12 feet.
Answered by: Legrand Technical Support
Date published: 2021-08-23

Is the Wattstopper DT-300 listed by a National Recognized Testing Laboratory (NRTL), such as Underwriters Laboratories, Inc. (UL)?

Asked by: Drew
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