HM 12 T KNX 12 channel UFH
THEBEN 4940245

HM 12 T KNX 12 channel UFH

Product code: 4940245
The FIX2 series is a range of compact devices for switching, dimming, heating, blinds and Inputs. They are standalone units and not compatible with the MIX2 Series.
Price (Excluding GST)


  • 12-way heating actuator FIX2
  • With 12 temperature controllers (P/PI) for heating and cooling
  • For controlling 12 thermal actuators 24 V - 240 V AC in 4 groups with 3 outputs and 450 mA each
  • (Due to the switch-on behaviour of the actuators, we recommend not to exceed a maximum load of 3x1 actuators 24 V AC or 3x5 actuators 230 V AC)
  • Short-circuit-proof and overcharge protected
  • Continuous or switching actuating value selectable
  • Valve protection function can be deactivated
  • With the modes: comfort, standby, night as well as frost/heating protection
  • Changeover to summer mode possible
  • LED switching status display for each channel
  • Manual operation on device (even without bus connection)

Technical Details


  • Operating Voltage: 110 - 240 VAC
  • Power Consumption: 0.5W
  • Bus Voltage: KNX Bus 21...30VDC
  • Bus Current Consumption: 12mA
  • Outputs: 12 (4 Groups of 3)   
  • Type of Output: Triac
  • Output Rated Voltage: 24VAC - 240VAC
  • Current Rating: 0.45 A
  • Suitable for SELV: Yes, if all inputs are connected with SELV



Technology KNX
Technology KNX
Mounting DIN Rail
Input voltage 230VAC
Outputs 12
IP rating IP20
Mounting Width 8MW

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