Weekly time switch. Mini Digital 230V AC, 1 channel, 1TE Digital time switch SENTRON 7LF4 for the time-controlled switching of electrical consumers, e.g. lighting. The digital time switches from Siemens have many and very flexible adjustable on and off times. The time switches 7LF4 are available in various versions as Mini, Top, Profi or Astro with automatic sun tracking control. Time switches 7LF - safety, comfort and energy saving.