Theben / Timeguard Timer Light Switch 220 → 230 V ac, 1-Channel

Twilight switch with digital daily programmer and built-in sensor.
For controlling street lighting, external staircases, window displays, door entries, etc.
Switches on and off automatically based on the lighting value (lux) set via the twilight switch.
Continuous brightness adjustment via the 2 → 100 lux setting screw.
Time delay of approx. 40 seconds. for switching on and off to avoid abnormal switching due to lightning, vehicle headlights, etc.
LCD screen and 3 control keys.
Very simple programming similar to the programming for TR top.
Pre-programmed night switch (23 hours OFF / 5 hours ON), lighting values (lux) and breaking delay.
Semi-automatic function (for example: light switches on during the evening and switches off for the night at 23:00 hours).
Automatic summer / winter time change.
In-built interchangeable lithium battery (power reserve is at least 1.5 years) for programming before installation.

Photoelectric