Lumento DX4. 4-channel constant voltage PWM dimmer  for DV LED loads and DIN rail mounting

Lumento DX4. 4-channel constant voltage PWM dimmer for DV LED loads and DIN rail mounting

Product code: ZDI-RGBDX4
LED dimmer with 4 channels (RGBW or single channels) oriented to LED technology with constant voltage regulation and DIN rail mounting (4,5 units). The dimming channels can be configured as 4 independent channels, 1 RGBW channel or 1 RGB channel + 1 individual channel. It includes 6 analog-digital multifunction inputs that can be configured as binary inputs for sensors and potential-free push buttons or as motion sensor inputs. It has manual test buttons to check the channels functioning. Power supply: 12-30VDC. Maximum current per channel: 6 A.
Price (Excluding GST)


  • 4 constant voltage channels configurable as:
    • 4 independent LED channels.
    • 1 RGBW channel.
    • RGB + W channels.
  • 6 inputs configurable as:
    • Motion detector with luminosity sensor.
    • Binary inputs.
  • Master Light Control.
  • External 12-30VDC power supply required.
  • Total data saving on KNX bus failure.
  • Manual control through buttons and status indicator LED.
  • Integrated KNX BCU.
  • Dimensions 67 x 90 x 79mm (40.5 DIN units).
  • DIN rail unit assembly (EN 50022), through pressure.
  • Conformity with the CE directives.

Technical Details


General System Specifications

  • KNX Power Supply: 29VDC
  • KNX Current Consumption: 6.5mA @ 29VDC
  • External power supply: 12 or 24 DC
  • Operating temperature: 0 ¡C to 45 ¡C
  • Assembly: Independent device to be mounted inside electrical panels with DIN rail (EN 50022) 
  • Bus power failure response: Data saving
  • Response when restarting bus: Data recovery
  • Programming/internal test LED indicates: Programming LED indicates programming mode (red), test mode (green) and error (blue blinking). Colour shift LEDs show the current colour. The LED of each channel indicates its status (fixed = active channel; flashing = error). 

External Power Supply Specifications and Connections 

  • Voltage range: 12 to 30VDC (voltage in concordance with voltage LED strips to be connected) 
  • Current range: Depending upon the load to be controlled up to a maximum of 24A
  • Connection method: Screw terminal block
  • Cable cross-section: 0.5mm2 to 4mm2 (26-10 AWG) 


  • Maximum current per channel:  6A @ 25 ¡C ambient temperature
  • Number of channels: 4
  • Connection type: Terminal block (screw)
  • Cable section: 10.5 mm2 to 4 mm2
  • Load type: LED trip (monochrome, RGB or RGBW) with common anode (+) 
  • Shortcut protection: Yes
  • Overheating protection: Yes
  • Overloading protection: Yes


  • Number of inputs per common: 6
  • Input voltage: +3.3V DC for the common
  • Input current: 1.0mA @ 3.3V DC (each input)
  • Input impedance: Approx. 3.3kŒohm
  • Switching type: Dry voltage contacts
  • Connection method: Cable screw terminal
  • Max. cable length: 30 m.
  • NTC probe length: 10.5 m (up to 30m)
  • NTC accuracy (@ 25 ¡C): 0.5 ¡C
  • Temperature measure precision: 0.1 ¡C
  • Cable cross-section: 0.5 mm2 to 20.5 mm2 (24-12 AWG)
  • Response3 time:  Max 10ms



Technology KNX
Dimming Type LED (Direct Control)
Mounting DIN Rail
Inputs 6
Outputs 4
IP rating IP20
Mounting Width 4.5MW
brand ZENNIO

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