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ASTRONOMICAL TIME SWITCH uses Microcontroller technology & Intelligent Astronomic Software to calculate Sunset & Sunrise time each day in an Astronomic Year for any Geographic Location. 1)Automatic switching ON & OFF, No human dependency. 2)By setting Geographic details : Latitude (60 North to 60 South), Longitude (180 East to 180 West)& Time Zone (12:00 East to 12:00 West) Sunset & Sunrise time is calculated every day with an accuracy of +/- 5 Minutes by Astronomic Software. 3)Energy saving output CH2 switches OFF for few hours in night. Specification : Time display : 4 nos. of GREEN LED Display show the Time in 24 Hour format. Setting : 4 user friendly soft keys for setting a) Clock (Hr. : Min., Date : Month, Year). b) Latitude, Longitude, Time Zone. c) Twilight Time, CH2 late night OFF & early morning ON time. Clock Accuracy : Better than +/- 1 Second per Day @ 25°C. Output : 1 N/O switch contact for each Channel max. 4KW (18AMP) Resistive load @ 230VAC. Supply Voltage : 230 V AC + 10%, 50Hz Supply to Clock : Clock runs on internal Battery & will show correct Time when power is applied. Dimension : 145(H) x 110(W) x 60(D) mm. Weight : 1200 Gms. Approx
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