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Tariff time switch TR 685-3 top2

The TR 685-3 top2 digital tariff time switch from Theben with 3 channel and annual program is noted for its easy installation and straightforward programming via OBELISK top2 software.


  • Order No. 6850103
  • Digital tariff time switch with yearly program
  • 3 channel
  • 1 x 16 A/2 x 8 A (Changeover contact)
  • High time accuracy typical ? ± 0.25 s/day
  • Interface for OBELISK top2 memory card
  • PC-programming with OBELISK top2 software
  • Transfer of programs via OBELISK top2 memory card
  • Text in display
    • preset date and time
    • fully operable without mains connection
  • DuoFix spring terminals
    • For 2 conductors each
    • Wire or strand (with or without wire end sleeve)
    • Wire diameter: 0.5 – 2.5 mm²
    • Button for releasing plug-in connection
  • Automatic summer/winter time changeover
    • Can be deactivated
    • Date rule options are already stored for Europe, the USA and other countries
  • own date rule options or changeover around set dates are available
  • Control LED for battery change
  • With EEPROM memory provides reliable operating data capture even with loss of power
  • Display and control panel can be turned by 90°
  • 1 to 4 channels with same functionality
  • 5 program memories each with 200 memory locations
  • Measurement pulse for load profile meter
  • All tests in accordance with new tariff time switch standard DIN EN 62054-21 (special requirements to time switches and reference to DIN EN 62054-21 metering standard)

Technical data

TR 685-3 top2 
Operating voltage110/230 V~, ± 15%
Frequency50 – 60 Hz
Installation typeFront panel installation/wall installation
Type of contactChangeover contact
Switching outputphase-independent
Opening width< 3 mm
Programyearly program
Program functionsON-OFF
Number of channels3
Number of memory locations200
Power reserve6 years
Switching capacity at 250 V AC, cos φ = 116 A
Switching capacity at 250 V AC, cos φ = 0,610 A
Switching capacity min.10 mA
Shortest switching times1 min
Time accuracytypical ± 0,25 s/day at 23°
Time basisQuarz
Stand-by Leistung0,8 W
Memory card suppliedyes
Keyboards4 touch buttons
Housing and insulation materialHigh-temperature resistant, self-extinguishing thermoplastic
Type of protectionIP 51
Protection classII nach EN 62 054-21
Ambient temperature-10 °C … +55 °C

Connection example



Operating instructionsPDF acrobat_2
SoftwareZIP zip_netto

Scale drawings


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