4-channel LED Dimming Actuator – RE KNT 004

4 Channel Dimming Actuator


  • 4-channel Dimming Actuator for:
    · Incandescence and 230V Halogen lamps.
    · LV Halogen lamp with electronic transformer.
    · Dimmable 230V LED lamps.
    · Dimmable 12V~ LED lamps (electronic transformer).
  • Leading or Trailing edge dimming technology.
  • Optional manual dimming control by built-in potentiometer (even without bus
  • Protected against overloads and short-circuits. Built-in resettable heating
  • Modular installation device. DIN-rail mounting.
  • 5-modules wide.
  • Anti-panic input for safety systems: disabling this input, the lamps will turn on to
    the maximum brightness ignoring the dimming.
  • Built-in KNX BCU (Bus Coupler Unit).
  • Programming ETS: ETS4 program

Technical Features

Reference RE KNT 004
Power supply 230V ~ 50Hz
Supply from KNX 21~ 32Vcc (via Bus)
Connection to KNX Connecting terminal
Load per Channel 4KV ac (bus/mains voltage)
230V LED lamps dimmable by Leading edge 4W ~ 120W
230V LED lamps dimmable by Leading edge 4W ~ 250W
12V Led lamps (with electronic transfo) 10W~280W of Transformer
Incandescent and 230V Halogens 4W ~ 300W
12V Halogens with Electronic Transfo 20VA ~ 280W
12V Halogens with Ferromagnetic Transfo
Compact Fluorescent lamps
Connection Type TP1 KNX Bus connector
Output channels 4 channels
Mounting DIN rail 46277
Dimensions 5 Modules wide, 87,5mm X 65mm
Safety Short-circuit, Overload and Over-heating
Operting temperature -5ºC ~ +45ºC
Protection degree IP20 according to EN60529
Directives Low-voltage 73/23/EEC EMC 204/108/EC
In accordance with standard KNX 2.0 EN60669-1, 2-1 & 2-3


Wiring Diagram

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