KNX IO Dimming Actuators 534/536

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The KNX IO 534 (Constant Voltage - CV) and KNX IO 536 (Constant Current - CC) are a compact RGB / RGBW / Tunable White dimming actuator with 4 PWM outputs. The dimming actuators can be used e.g. for LED panels or stripes with RGB / RGBW / Tunable White configuration or as 4 independent PWM dimmer channels. Every configuration allows controlling the channel by switching, rel. dimming and dimming value.

Several comfort functions are integrated as well, including scenes, slumber fading, staircase light and sequencer. Two push buttons and three LEDs allow a local operation and a visualization of the device state. In addition to the output channels the device includes 16 independent functions for logic or timer control.


Mechanical data

  • Housing: plastic
  • DIN rail mounted device, width: 1 modules (18 mm)
  • Weigth: approx 60 g

Controls and indicators

  • 2 buttons and 3 LEDs, multicolor
  • KNX programming button with LED (red)


  • Device Model System B
  • Compatible with ETS 4.2 (or higher)


  • Connector for KNX Bus (red / black)
  • Pluggable screw connector (3 poles) for dimming channel 1 and power supply
  • Pluggable screw connector (3 poles) for dimming channel 2/3/4

Output channel (Dimming)

  • PWM (frequency 480 / 600 Hz)
  • Supply voltage: 12 .. 24 V⎓  (only 534)
  • load current: 6 A total, freely distributable (only 534)