Dual Technology Presence Detector


UT-963 wall switch integrates passive infrared (PIR) sensor and ultrasonic sensor (US) technologies in it and takes advantage of the best features of both sensors which PIR sensor is less affected by noise signal as well as airflow.
Ultrasonic sensor is of high sensitivity to ably detect small movement.
The ultrasonic sensor doesn’t require an unobstructed line-of-sight view between sensor and occupant, and dual technology detector can provide reliable performance to minimize risk of false trigger.

  • Both PIR and ultrasonic sensors are integrated in the detector to minimize the risk of false trigger effectively and can strengthen the detection reliability.
  • High performance relay is built-in for controlling all kinds of lamps.
  • Versatile triggering methods, either only one technology (PIR or US) or both technologies (PIR and US) can be chosen for user’s flexible utilization. 
  • Considerate air current compensation function is provided to reduce the false triggering due to interruption of air flow.
  • Three operation modes ON / AUTO / OFF are available for user’s free and convenient application.
  • Fully compatible with the switch frame in dimensions of 56mm x 56mm.
  • Applications: staircase, corridor, small office, small conference room, individual restroom, storage room, etc.
  • Rated Voltage: 230V~±10%, 50/60Hz 
  • Load : For lighting control
    • Incandescent Lamp: Max. 2000W
    • AC Halogen Lamp: Max. 1000W
    • LV Halogen Lamp: Max. 1000VA / 600W
    • Fluorescent Lamp: Max. 900VA / 100µF
      • 25 x (1 x 18W) ; 12 x (2 x 18W)
      • 15 x (1 x 36W) ; 7 x (2 x 36W)
      • 10 x (1 x 58W) ; 5 x (2 x 58W)
      • Max. 1000VA / 600W (uncompensated)
    • LED Lamp: Max. 500VA / 400W
    • Energy Saving Lamp: Max. 600VA / 400W (include CFL and PL lamp)
  • Detection Angle: 180°
  • Detection Range(H=1.2m)
    • PIR adjustable up to 8m forward & 4m each sideward (UT-963 only)
    • US adjustable up to 8m x 8m, it’s anoval shape
  • Auto Off Time Adjustment: Adjustable from approx. 5sec to 30min, Test & short impulse (1sec)
  • Adjustment: Adjustable from approx. 10 Lux to (∞) and learning range: 10 Lux - 1000 Lux
  • Triggering Methods(UT-963 only): PIR+US, US, PIR, PIR / US
  • Ultrasonic Sensor Frequency: 32KHz
  • Operating Temperature: 0°C to +45°C
  • Environmental Protection: Class II, IP20




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