Theben TR 648 top2 RC-DCF KNX

Available for 3-5 Working Days Delivery

The TR 648 top2 RC-DCF KNX is a digital time switch with yearly and astronomical time program. It comes with automatic summer/winter time changeover.


  • Digital time switch with yearly and astronomical time program

  • Time synchronisation via connection of external DCF antenna

  • Can be operated without mains supply

  • 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 data

Operating voltage KNX Bus voltage, ≤12 mA
Width 3 modules
Installation type DIN rail
Type of connection Bus connection: KNX bus terminal
Number of channels 8
Number of memory locations 800
Time accuracy at 25 °C ≤ ± 0,5 s/day (quartz) or DCF77
Shortest switching times 1 s
Display LCD
Protection class III according to EN 60 730-1
Type of protection IP 20

More Information
More Information
SKU THE6489210
Manufacturer Theben
Manufacturers Reference Theben
Type Timer
Medium KNX TP
Installation Din Mounted
Module Size 3 Module
Customs Tarif Number 91070000