Ceiling-Mounted PIR Detector/Sensor 8-16V

$40.95 ea

  • Part no.: 2175779
  • Manufacturer: Velleman
  • Manufacturer no.: HAA50
  • NCNR (Non-Cancelable, Non Returnable)
# of units Price
1+ $40.95

Ceiling Mounted PIR detector

The ceiling-mounted passive infrared detector is designed for use with modern residential and commercial security systems. This device is fitted with pulse-counting circuitry and employs a pyroelectric sensor equipped with 2 elements that provide substantial immunity against false alarms due to environmental factors.


  • Detection pattern: 360° conical pattern, dia 35ft when installed at a height of 12ft
  • 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

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