8-fold Heating Actuator 4SU MDRC, to control electrothermic valve drives 24-230VAC

182,55 Excl. tax €280,84 Excl. tax
€220,89 Incl. tax 339,82 Incl. tax.
Out of stock, but available Manual
Unit price: €182,55 / Piece
The MDT Heating Actuator receives KNX/EIB telegrams and controls up to independent electrical outputs. Each channel has its own LED indicator Read more


Article number:
Out of stock, but available
Delivery time:
3-5 Business Days


  • New generation with function extension
  • Each channel controls up to 4 electrothermic valve drives (230 VAC)
  • Free assignment of the outputs to the controller channel
  • Controllable with 1 Bit (switching / PWM) / 1 Byte actuating variable or direct control with temperature value via KNX bus
  • Integrated PI temperature controller (heating and cooling)
  • Comfort-, night- and frost protection, summer- / winter operation
  • 1 Bit +/-, 1 Byte or 2 Byte absolute object to set the given value
  • Setpoint values are stored on bus voltage failure
  • Emergency operation if cyclic actuating variable fails
  • Overload protection with fault message object (230 VAC)
  • Mains voltage failure detection with fault message object (230 VAC)
  • Objects for heating request and cyclic movement of the valves
  • Comprehensive scene functions
  • Compatible with many visualizations
  • Minimum flow temperature
  • Diagnostics for each channel with 14 Byte plain text object
  • Quick application download (long frame support with ETS 5 or higher)
  • Production in Germany, certified according to ISO 9001
  • 3 year warranty
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