AlphaRex DY21s, digital year-round timer with control input, series installation, year and week timer with additional astro function. With text-guided programming concept. Programming accurate to the second. Simple program creation via PC using Legrand AlphaSoft and data key. Switching times visible as a weekly overview in the display. 84 switching programs, of which: 28 weekly programs, 28 yearly programs, 28 exception programs (priority program). Shortest switching time 1 second, switching step 1 second. Power reserve 5 years for date and time. EEPROM memory to save the switching programs. Additional convenience functions: Astro function (sunrises/sunsets) can be combined with the timer function, offset for sunrise and sunset times adjustable via time offset +/-120 min. or angle offset +/-12°00. Holiday program, random program, cycle function, operating hours counter, PIN code input lock, 1h test, background lighting, automatic summer/winter time changeover, mains synchronous operation adjustable, manual switching, with zero-crossing switching. Switching output: 1 changeover contact 250 V/ 50 Hz, 16 A~ cos phi = 1
