KNX Brightness Controller surface-mounted
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  • Gir210300
  • G210300
GIRA 210300

KNX Brightness Controller surface-mounted

Product code: 2103 00
The brightness controller is mounted to the ceiling directly above the area to be illuminated, for example above a workstation, and analyses lighting conditions of the surface below. Coupled to the lighting system, it dims (constant light control) or brightens (two-point control) the lighting depending upon the daylight level.
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Brightness control can be activated and deactivated via a push button or with motion or presence detectors. Brightness controller variants are available as flush-mounted 2102 00 or surface-mounted 2103 00.

Technical Details


  • Two-point control (switching) or constant light control (dimming above value) can be configured.
  • Constant light control: max. 5 various dimmable light groups can be set via a brightness value.
  • Two-point control: yonly automatic switch-onx and yautomatic switch-offx of lighting possible.
  • Transmission of measured brightness value as 2-byte value on the bus. Transmission with modification, with a read request or cyclically.
  • Cyclical transmission of switching and dimming value commands for light control.
  • Behaviour can be configured following bus voltage recovery.
  • Specified setpoint for brightness control via parameter or via the bus with 2-byte communication objects.
  • Calibration of sensor brightness value determined by device via independent reference measurement and bus telegram.
  • Measurement range: 0 to 2000 Lux
  • Temperature range: -5 C to +45 C
  • Protection class: Protection type: IP 20
  • Dimensions: L x B x H (without cover) 50 x 35 x 15 mm



Technology KNX
Brand GIRA
Insert finish White
Mounting Surface
Operating voltage KNX Bus (29VDC)
Buscoupler Integrated
IP rating IP20
EAN 4010337076049

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