Vemer ASTRO 1 astronomical twilight switch, for managing electrical loads between the hours of sunset and sunrise, calculated according to the geographical area set. It is particularly suitable for the management of store lighting and illuminated signs in general, with the following features:
1 relay 16A monostable / 250V AC
DIN rail installation (2 modules)
NFC interface for programming via app
Keypad lock with password
Backlit display with textual guidance
Battery life 3 years (replaceable)
Politiche per la sicurezza
(modificale nel modulo Rassicurazioni cliente)
Politiche per le spedizioni
(modificale nel modulo Rassicurazioni cliente)
Politiche per i resi
(modificale nel modulo Rassicurazioni cliente)
Vemer's Memo AST1 astronomical twilight switch is the ideal solution for automating lighting based on sunrise and sunset times, calculated according to the geographical area set. It is perfect for managing outdoor lights, illuminated signs, storefronts and fountains.
The device offers daily or weekly programming, with preset "P1" (sunset-sunrise) mode and the possibility of entering up to 4 time periods + 20 vacation days. Management is simple and intuitive with textual guidance on the backlit display.
With the Vemer Memo app, you can easily configure programs via NFC connection. You can copy and paste programs from one device to another, update date and coordinates automatically, and even manually activate the relay remotely.
The switch has a password keypad lock function, useful in public environments to prevent unauthorized changes. The internal battery (with 3-year lifespan) is easily replaced via the back door.
| Feature | Value |
|---|---|
| Power supply | 230 V AC, 50/60 Hz |
| Number of relays | 1 monostable relay 16A / 250V AC |
| Mounting | DIN rail, 2 modules |
| Operation | On/Off, sunrise-sunset, weekly |
| Programming | Via keypad or NFC |
| NFC interface | Yes (Memo app) |
| IR interface | Yes (compatible with VE345500 remote control) |
| Display | Backlit LCD with textual guidance |
| Operating temperature range | -10 ÷ +50 °C |
| Dimensions | 2 DIN modules |
| Function | Description |
|---|---|
| Keypad lock | Password protection |
| Auto power off display | After 3 minutes of inactivity |
| Battery warning | Low battery warning |
| Daylight saving time | Automatic management |
| Battery | Duration 3 years, replaceable |
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