Automatic Type Nature Switch is duration based timer to offer an additional facility of switching OFF after the expiry of duration from sunset and has the feature that any duration from 4 to 8 hours with 1/2 hour steps can be selected. The Switch is available with over ride option and handles a lighting load of up to 3 kW in single phase. The Switch has the feature of automatic switching on at sunset, automatic switching off at sunrise and switching off selection facility based on duration from 4 to 8 hrs. The Switch has no need of seasonal resetting, wide operating voltage ranging from 150 to 300 VAC, automatic high voltage sense, trip and auto reset, automatic low voltage sense, trip and auto reset and has over load sense, trip and latch. The Switch has switching load of maximum 16 amp and has immunity to dust, bird sittings, cloud cover, moon and other street light. The Automatic Type Nature Switch can be availed with override facility of continuous on and continuous off for maintenance.