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Ceiling-mounted pir detector

Velleman HAA50: Ceiling Mount PIR Motion Sensor

Velleman HAA50

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Velleman HAA50: Ceiling Mount PIR Motion Sensor

The HAA50 ceiling mounted PIR detector has a 360 degree detection pattern, when installed at an optimal 12 foot height. The PIR sensor is ideal for homes or businesses, and may be used in wide open spaces or rooms with partitions or other obstructions, just mount to your drop ceiling. The sensor’s alternating single and double pulse counter, prevents false alarms caused by environmental factors such as light or the HVAC system.


  • detection pattern: 360° conical pattern, Ø 35ft when installed at a height of 12ft
  • operation voltage: DC 8 - 16V
  • quiescent current: 15mA typical at DC 12V
  • relay output: normally closed (fail-safe) dry relay contact, 18ohm resistor is connected in series with the contact
  • alarm activation delay: 2 - 3 seconds
  • tamper output: normally closed contact
  • LED: walk-test enabled or disabled with internal link
  • pulse counter: single- or double-pulse detection through alternating signal polarity
  • mounting height: 12ft max.
  • dimensions: 3.4" x 1.0"
  • operating temperature range: 0 °C to 70 °C
  • not suited for outdoor use
  • weight: 60g
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 Warning: this product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to: www.P65Warnings.ca.gov/product