Choke, MDRC

Choke, MDRC

Product code: DR/S4.1
For decoupling the bus-line from the power supply.
Price (Excluding GST)


The device can be used with the non choked output of a power supply such as on the SV/S 30.640.5 to supply a second KNX line. Integrated reset button for isolating the bus voltage and resetting the bus devices.

Technical Details


  • Power Supply Via KNX
  • Rated Voltage: 30 V DC
  • Rated Current: 640 mA
  • Max. Voltage Drop (at 640 mA): 1 V
  • Max. Power Loss (at 640 mA): 1 W
  • Input connection: Yellow/Grey
  • Output connection: Black/Red
  • Operation temperature: -5°C...45°C
  • Storage temperature: -25°C...55°C
  • EIB and KNX certified



Brand ABB
Technology KNX
Mounting DIN Rail
Input voltage KNX Bus (29VDC)
IP rating IP20
Mounting Width 2MW
EAN 40 16779 58755
brand ABB

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