AHD16T digital astronomical timer switch 4

AHD16T Digital Astronomical Timer Switch

AHD16T astronomical time switch automatically turn ON/OFF at the preset longitude and latitude, time zone. You don’t need to adjust your timer to keep up with changing sunrise/sunset times.

  • Built-in calendar: 2016 – 2066 years
  • ON/OFF programs can be switched ON or OFF according to sunrise and sunset time
  • 8 Programs can be changed or not according to astronomical time
  • Longitude range: east longitude / west longitude 0 ~ 180°
  • Latitude range: latitude / latitude 0 ~ 68°
  • Time Zone:  ±12
  • Automatic key lock function, effective prevention of misuse
  • Built-in EU and USA summer/winter time adjustment
  • Manually set daylight saving time (1 hour)
  • Sunrise and sunset time can be checked
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  16Amp 20Amp
Supply voltage 110-230Vac, 50/60Hz
Switching capacity (per channel) Resistive load: 16 A / 250 V~ at cosφ=1 Resistive load:  20 A / 250 V~ at cosφ=1
Inductive load: 10 A / 250 V~ at cosφ=0,6 Inductive load: 12 A / 250 V~ at cosφ=0.6
Minimum interval 1 Min.
Time accuracy at 25 °C ≤± 1 Sec./day
Power reserve approx. 3 years
Housing and insulation material Self-extinguishing thermoplastic
Type of protection IP 20
Class of protection II according to IEC/EN 60730-1
Permitted ambient temperature -10 ~ +50 °C (non-icing)
Test approval CE
Power consumption 3 VA 5 VA
Maximum recommended load (10,000 operations)
Filament / Halogen lamp 230V 2600 W
Compact Fluorescent Lamp 200 W
LED lamp 230V > 5 W 200 W
Fluorescent lamp with electronic ballast 650 W
Fluorescent lamp uncompensated 1000 W
Fluorescent lamp series compensated 1000 W
Fluorescent lamp parallel compensated 550 W
AHC17A wiring diagram
AHC17A dimensions

Maximum Load Testing for Analog Timer Switches

LETOP performs maximum load test on timer switches

Letop Maximum Load Testing

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