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.
| Property | Value |
| Width in division units: | 2 |
| Number of channels: | 1 |
| Protection class (IP): | IP20 |
| Supply voltage: | 230 V |
| Power reserve in years: | 5 |
| Weekly program: | yes |
| Annual program: | no |
| Mounting type: | DIN rail |
| Type of supply voltage: | AC |
| Frequency of supply voltage: | 50 to 60 Hz |
| Accuracy per day: | 0.1 s |
| Text guidance in the display: | yes |
| 24 h program: | yes |
| 60 min program: | no |
| Automatic summer/winter time change: | no |
| Shortest switching time channel 1: | 0.01666 min |
| Holiday program: | yes |
| Pulse program: | no |
| Cycle program: | yes |
| Astro program: | yes |
| External button input: | yes |
| Random program: | yes |
| Operating hours counter: | yes |
| Mains synchronous: | yes |
| Quartz controlled: | yes |
| Radio controlled: | no |
| Manual operation: | yes |
| Number of memory locations: | 56 |
| Switching preselection: | yes |
| Nominal switching current at 250 V AC: | 16 A |
| Potential-free switching contact: | yes |
| Width: | 35.6 mm |
| Height: | 83 mm |
| Depth: | 60 mm |
| External programming: | yes |
| Radio controlled (DCF77): | no |
| GPS: | no |
| With memory card: | no |
