The Reacta 21 – R21E sensor is an integrally mounted PIR sensor to control fixed output (non dimmable) high frequency luminaires.

Mounting Type: Integral
Minimum Mounting Height: 2M
Maximum Mounting Height: 4M
Presence Detection: With
Daylight Control: No Daylight Control
Detection Type: PIR
Detection Diameter: 8M
Output: RELAY
Programmer: TURN DIAL
Functions: High Time Delay

Features & Benefits

  • Integrally mounted within luminaire.
  • Discreet mini head profile.
  • Passive infrared PIR occupancy detection.
  • Turn dial to adjust time delay.


  • Industrial areas
  • Warehouses
  • Back of house stocking areas
  • Racking aisles

Technical Data

  • Technology – PIR.
  • Area coverage 8mx8m @ 4m mounting height.
  • Nominal voltage 230v, 50/60Hz.
  • Ingress protection rating IP20.
  • Standby power consumption 500mW.
  • Ambient operating temperature range 0°C to 35°C

Adjustable Parameters

  • Manual adjustments (rotary dial/jumper setting).
  • High time delay 5 sec. to 10 min.


Sensor Detection

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(+44) 01747 858100