Theben theRonda S360 KNX Presence Detector

£135.38 + VAT

  • Passive infrared presence detector for ceiling installation
  • Circular detection area 360°, up to Ø 9 m (64 m²)
  • Automatic presence- and brightness-dependent control for lighting and HVAC
  • Mixed light measurement suitable for fluorescent (FL/PL/ESL), halogen/incandescent lamps and LEDs
  • 2 light channels C1, C2
  • Switching operation or constant light control with standby function (orientation light)
  • Switching mode with dimmable lighting
  • Choice of fully or semi-automatic
  • Brightness switching value or set point value can be set in lux by using parameters, the object or via remote control
  • Teach-in of the brightness switching value or the set point value
  • Reduction of time delay when present briefly (short-term presence)
  • Manual override by telegram or remote control
  • 2 presence channels C4, C5, individually configurable
  • Switch-on delay and time delay configurable
  • Setting the room correction factor for brightness measurement comparison
  • Adjustable sensitivity
  • Test mode for checking function and detection area
  • Scenes
  • Parallel switching of multiple presence detectors (Master/Slave or Master/Master)
  • User remote control «theSenda S» (option)
  • Management remote control «SendoPro 868-A» (option)
  • Installation remote control «theSenda P» (option)
SKU: 2089551 Category: Tag:


Installation height 2 – 4 m
Minimum height > 1,7 m
Measuring range brightness 10 – 3000 lx
Detection angle 360°
Type of connection KNX bus terminal
Installation type Ceiling installation
Light switch-off delay 30 s – 60 min
Lamps Energy saving lamps, fluorescent lamps, Incandescent/halogen lamps, LEDs
Light measurement Mixed light measurement
Presence switch-off delay 10 s – 120 min
Switch-on delay presence 10 s – 30 min / inactive
Ambient temperature -15°C … 50°C
Detection range 50 m² (ø 8 m | 360°)
Colour Grey
Type of protection IP 54



German manufacturer with of high quality KNX components including actuators, binaries and DALI.


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