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Theben top3 and top2 DIN Rail Timeswitches

SELEKTA 172 top3 2 Channel (2 Module) Astronomical Timeswitch

Theben replaces the multi-million selling top2 devices with the redesigned top3 series of digital timeswitches. Highlights include LED output of 600W. At the same time, full compatibility with top2 devices is ensured.

  • 16(10)A astronomical timeswitch with weekly programme.
  • Maximum manipulation security, timeswitch programs can only be transferred from the app to the timeswitch when the Bluetooth OBELISK top3 is plugged into the timeswitch.
  • 100% compatible with top2.
  • 1 channel.
  • 84 memory locations.
  • Astronomical timeswitch function (automatic calculation of sunrise and sunset times for the whole year).
  • Offset for adjusting of sunrise and sunset times.
  • Position data via coordinates or country/city lists can be programmed.
  • Fixed ON/OFF switching times can be programmed (e.g. night-time interruption).
  • Simulation of switching times (calculated astronomical times and programmed ON/OFF switching times).
  • Reversible astronomical mode (evenings ON – mornings OFF or evenings OFF – mornings ON) or can be deactivated.
  • Zero-cross switching for relay-saving switching and high lamp loads.
  • 10 year power reserve (lithium battery).
Selekta170top3 catalog
  • Energy Saving 2015
  • LEDS up to 600W
  • Theben 3 Year Guarantee


Timer Mode Solar
Controls LED Lighting 600W (max.)
Voltage Free Contacts Single Pole Changeover
Operating Voltage 230V AC
Power Reserve 10 Years
Switch Rating 230V AC Resistive 16A, Inductive 10A
Operating Temperature -30 to 55ºC
EC Directives Conforms to Latest Directives
Dimensions (mm) Width 35, Height 86, Depth 65.5

TR 610 top2, TR 611 top3, TR 612 top2, TR 622 top3, Selekta 170 top2 Selekta 172 top3 can switch up to 2300W of filament or 400W of fluorescent lighting or 9 × 7W or 7 × 11W or 7 × 15W or 7 × 20W or 7 × 23W of low energy lighting. Not suitable for discharge lighting except Selekta 170 top2 Selekta 172 top3 which can also switch up to 400W of discharge lighting. TR 608 top can switch up to 1000W filament lighting, 200W of fluorescent, or 7 × 7W or 6 × 11W or 5 × 15W or 5 × 20W or 5 × 23W of low energy lighting. Not suitable for discharge lighting.

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