Theben HM 12 Channel Heating Actuator (FIX2)

£202.68 + VAT

  • 12-way heating actuator FIX2
  • With 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 3×1 actuators 24 V AC or 3×5 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)
SKU: 4940245 Category: Tags: , ,


Operating voltage KNX Bus voltage, ≤12 mA
Operating voltage 110 – 240 V AC 50 – 60 Hz
Frequency 50 – 60 Hz
Stand-by consumption ~0.5 W
Width 8 modules
Installation type DIN rail
Number of channels 12
Type of connection Terminal screws | Bus connection: KNX bus terminal
Max. cable cross section Solid wire: 0.5 mm² (Ø 0.8) to 4 mm² | Stranded wire with end sleeve: 0.5 mm² to 2.5 mm²
Switching output Not potential-free
Output Triac, 0.45 A
Voltage output 24 V AC – – 240 V AC
Frequency output 50 – 60 Hz
Suitable for SELV Yes if all channels switch at SELV
Switching of various phases Possible
Ambient temperature -5°C … 45°C
Type of protection IP 20
Protection class II according to EN 60 669



German manufacturer with of high quality KNX components including actuators, binaries and DALI.


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