Overview

The NSW110 Astronomical Time Switch is not just a timer—it's a true nature switch. By aligning with the natural rhythm of sunrise and sunset, it ensures smarter lighting management, reduced operational costs, and a greener footprint. Switches loads ON/OFF based on precise sunrise and sunset timings calculated from the latitude and longitude of your location. Works seamlessly for all 365 days of the year.

Unlike photo-sensor or infrared-based devices, this switch requires no cleaning, calibration, or frequent adjustments. Eliminates the hassle of adjusting time every 15–20 days as in conventional time switches. Designed for complete unmanned automation.

Key Highlights

• Automatic Sunrise/Sunset Control: Switches loads ON/OFF based on precise sunrise and sunset timings calculated from latitude and longitude of your location. Works 365 days.
• Zero Maintenance: Unlike photo-sensor or infrared devices, requires no cleaning, calibration, or frequent adjustments.
• No Manual Reset Needed: Eliminates hassle of adjusting time every 15–20 days as in conventional time switches.
• Unmanned Operation: Designed for complete automation, reliable performance without human intervention.

Advanced Features

• Manual Override Option: Flexibility to program custom ON/OFF timings beyond sunrise/sunset schedules.
• Adjustable Twilight Delay (0–60 mins): Fine-tune switching to match ambient light conditions for maximum efficiency.
• Multiple Circuit Control: Reduce load during late-night hours with advanced ESO110 series (Energy Saver).
• Custom Scheduling: Perfect for street lights, high mast lights, housing society compounds, advertisement hoardings, and signboards.
• LCD Display + 4-Button Control: SET, NEXT, UP, DOWN — plain text messages, no error codes. Shows SR/SS time + Load Status.
• Wide Voltage & Durable: Operates reliably across Indian power conditions, suitable for outdoor panels.

Benefits at a Glance