Light Sensitive Time Switch from Legrand can be used to switch a lighting circuit "ON" and "OFF" based on light conditions (daybreak, nightfall).

56 programmes available: daily, weekly or yearly
230 V power supply
Integrated hour counter
High precision clock ±0.1 s per day at 25̊C
Working reserve: 5 Years
Adjustable 3-100,000 lx
Automatic changeover between summer/winter time
2 Modules
Program directly on keypad or using programme transfer key (897-6756)
Supplied with IP65 photoelectric cell

The Legrand digital light switch is a modular programmable twilight having single pole double throw (SPDT) contact configuration. It is an astronomical time switch with the daily, weekly, or yearly program with 56 memory locations. It has a voltage rating of 230VAC. This device can be used to switch a lighting circuit ON and OFF based on light conditions (daybreak, nightfall).

Integrated hour counter
High precision clock ±0.1 s per day at 25°C
Adjustable brightness of 3-100,000 lx
Automatic changeover between summer/winter time
Program directly on a keypad or using programme transfer key
Supplied with weatherproof photoelectric cell
Screw terminal connection
Battery life of 5 years

Heavy loads like controlling
Switching an electric circuit (lighting, heating)
Control of lighting, heating, and ventilation

IP65 rated

Light Dimmers