Legrand AlphaRex³ DY21 GPS/DCF, digital year-round timer with additional astro function, 1 channel, 84 switching programs, operating voltage 230 V 50/60 Hz, time synchronization via external DCF77 antenna (412706) or via GPS antenna time and location coordinates (412707). Program creation directly on the device or with PC, AlphaSoft, PC adapter (412873) and data key (412872). Astro function (sunsets/sunrises) can be combined with timer function. Permanent ON/OFF, random program, cycle function, 1 hour test, PIN code lock, operating hour counter, backlight, automatic summer/winter time change, 5 year power reserve, accuracy +/- 0, 1 sec/day or synchronous with GPS/DCF signal, shortest switching time: 1 sec., zero-crossing switching. Switching output: 1 normally open contact.
