TR 648 top2 RC-DCF KNX Digital time switch
THEBEN 6489210

TR 648 top2 RC-DCF KNX Digital time switch

Product code: 6489210
Digital time switch with yearly and astronomical time program, Time synchronisation via connection of external DCF antennas which receive the time from a transmitter in Mainflingen, Germany
Price (Excluding GST)


Please confirm Reception of the DCF77 Time Signal is possible before ordering.

  • DCF Time Signal 8 channels
  • DuoFix spring terminals for 2 conductors each
  • Text-oriented user guidance in display
  • 800 memory locations
  • Interface for OBELISK top2 memory card (PC programming)
  • 8 year power reserve (lithium battery)
  • ON-OFF switching times
  • Pulse program
  • Cycle program
  • Extensive yearly clock functions
  • Astronomical switching function (automatic calculation of sunrise and sunset times for the whole year)
  • Switching preselection
  • Permanent switching ON/OFF
  • Count-down timer
  • Integrated hour counter
  • Holiday program
  • 2 random programs
  • Display backlight (can be turned off)
  • PIN coding
  • Automatic summer/winter time changeover
  • Time and date synchronisation of other bus participants

Technical Details


  • Operating Voltage: 110 - 240 VAC
  • Stand By Power Consumption: 0.2W
  • Bus Voltage: KNX Bus 21...30VDC
  • Bus Current Consumption: 4mA
  • Time accuracy: - =  Less than 0.5 s/day (quartz) or DCF77/GPS
  • Shortest switching times: 1 s
  • Display: LCD



Technology KNX
Mounting DIN Rail
Input voltage 230VAC
IP rating IP20
Mounting Width 3MW

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