Legrand AlphaRex³ D21 astro BLE, digital astro timer with combination function, 1 channel, 56 switching programs, operating voltage 230 V 50/60 Hz, astro function (sunsets/sunrises) can be combined with weekly timer function. Control directly from the distribution, no separate light catcher required. With control input, program creation directly on the device or via the Legrand Time Switch app, programmable directly via Bluetooth. No data key recording required. 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.
