Theben HM 12 T KNX

£270.80
sku THE4940245
Low stock

12-way heating actuator FIX2 for controlling thermal actuators 24 V - 240 V AC in 4 groups with 3 outputs and 450 mA each. Continuous or switching actuating value selectable.

More Information
SKU THE4940245
Manufacturer Theben
Manufacturers Reference Theben
Country of Manufacture Germany
Type Heating Actuator
Range FIX2
Medium KNX TP
Installation Din Mounted
Channels 12
Module Size 4 Module
Customs Tarif Number 85362010



  • 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 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 data





























































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
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
Number of channels 12
Output Triac, 0.45 A
Voltage output 24 V AC - – 240 V AC
Switching output Not potential-free
Type of protection IP 20
Protection class II according to EN 60 669


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