Astronomical time switch with weekly program Astronomical time switch 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 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 Text-oriented user guidance in display Preset date and time