KNX Power supply, MDRC

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Safe bus voltage and expanded diagnostics


ABB i-bus® KNX power supplies provide the safe bus voltage for the connected KNX devices. Three versions for bus loads of 160, 320 and 640 mA are available, each with integrated choke and wide range mains input for worldwide usage. In addition, the 320 mA and 640 mA versions are available with expanded diagnostics for monitoring, e.g. bus voltage and current.

Main benefits
  • Less space in the distribution board required due to compact device width
  • Worldwide usage due to wide range of inputs for supply voltages from 85 to 265 V AC at 50/60 Hz
  • Premium range with expanded diagnostics for quick and efficient commissioning and monitoring
Main features
  • Bus line is decoupled from the power supply by an integrated choke
  • Voltage output is short-circuit and overload protected
  • Premium range with enhanced diagnostics provides bus state via LED display and KNX communication objects


Product manual

Technical information

Selection table

ETS Datafile

Technical Details