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Manufacturer
VEMER
Country
Italy
Name
Memo AST1
Part number
VE344800
Category
Switches
Type
Twilight switch
Description
MEMO AST1 ASTRONOMIC TIME SWITCH
Stock availability:
15 In stock
The VE344800 is an astronomical twilight switch designed for the efficient management of electric loads from sunset to sunrise, precisely calculated based on the configured geographical area.
Equipped with an NFC interface, this switch facilitates seamless connectivity with smartphones, enabling the transfer of programs created through a dedicated app. This innovative feature enhances user convenience and allows for easy customization of operational schedules.
An essential security feature of the VE344800 is the keypad lock function, requiring a password for any setting modifications. This is particularly valuable in public installations, preventing unauthorized access and ensuring the integrity of the configured parameters.
The front panel of the instrument is designed to facilitate the straightforward replacement of the backup battery when discharged, ensuring uninterrupted functionality over time. This feature contributes to the device's reliability and ease of maintenance.
Power Supply VAC | 230 (-10% ÷ +10%) 50/60 Hz |
Absorption VA (W) | 8 (2) |
Output Memo | 1 change-over relay |
Capacity at 250 Vac A | 16 (10) |
Incandescent Lamps W | 2000 |
Fluorescent Lamps (Compensated) VA | 250 |
Low Voltage Halogen Lamps VA | 1000 |
Halogen Lamps (at 240 V) W | 2000 |
Low Consumption Lamps (CFL) VA | 200 |
Low Consumption Lamps (Downlights) VA | 200 |
LED VA | 25 |
Battery Life | 5 years (Lithium battery CR-2032) |
Charge Reserve (for Battery Replacement) | 1 minute |
Switchings in Case of Power Failure | No |
Programming Resolution | 1 minute |
Operating Precision | ± 0.5 seconds/day at 25 °C |
Operating Temperature °C | -20 ÷ 50 |
Storage Temperature °C | -25 ÷ 70 |
Protection Degree | IP20 / IP41 (on the front) |