KNX IO 411

The KNX IO 411 (4Ii) is a compact binary input with 4 channels to control lights, shutter etc. with conventional switches or contacts. Inputs are designed for dry contacts.
Two push buttons and three LEDs allow a local operation and a visualization of the device state.

In addition to the input channels the device includes 16 independent functions for logic or timer control.

  Technical data

 Mechanical data

  • Housing: plastic
  • DIN rail mounted device, width: 1 modules (18 mm)
  • Weigth: approx 50 g

User Interface

  • two keys for on device settings
  • three multi color LEDs
  • KNX programming LED and KNX programming key


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


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

Input channels (Binary in)

  • Contact voltage: SELV
  • wire length 20 m
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