Legrand AlphaLux D21, twilight switch with digital weekly timer, including light catcher 412860, 1 channel, operating voltage 230 V 50/60 Hz, setting range 1 - 100,000 lux, on and off delay 30 ... 300 sec. (adjustable), 56 switching programs, program creation directly on the device or with PC, AlphaSoft, PC adapter (412873) and data key (412872). Permanent ON/OFF, holiday program, random program, 1 hour test, PIN code lock, operating hours counter, background lighting, automatic summer/winter time changeover, 5 year power reserve, accuracy +/- 0.1 sec/day, shortest switching time: 1 sec., zero crossing switching. Switching output: 1 changeover contact.
