The Reacta 21 – The R21C sensor is an integrally mounted PIR offering corridor mode bi level dimming with secondary total off function.

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
Programmer: TURN DIAL
Functions: High Time Delay, Low Time Delay

Features & Benefits

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


  • 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 10 seconds to 11 hour.
  • Low level options (Lights on at 10%, instant off,  1 min. off, 30 min. off).


Sensor Detection

(+44) 01747 858100
(+44) 01747 858100