THEBEN LUNA 126 star E AN Twilight Switch Wall-Mounted 1260911

The THEBEN LUNA 126 star E AN is a wall-mounted twilight switch that automatically controls lighting based on ambient light levels. It features a potential-free 1 NO contact capable of switching up to 16 A, making it suitable for direct control of lighting circuits. The light sensor range is adjustable from 2 to 2000 lux, and the switching delay can be set between 20 and 80 seconds to prevent false triggering. With an IP55 rating and UV-stabilised polycarbonate housing, it is designed for outdoor use. The device includes zero-cross switching to extend relay life and a test function for easy commissioning.

Advantages

Zero-cross switching reduces contact wear and extends relay lifespan. The adjustable light threshold and delay provide flexibility for various applications. IP55 protection and UV-stabilised housing ensure reliable operation in outdoor environments.

Suitable for

• Automatic control of outdoor lighting such as street lights, garden lights, and building facades
• Switching of lighting loads up to 2300 W incandescent/halogen or 600 W LED
• Applications requiring a potential-free contact for integration with other control systems

Key specifications

• Operating voltage: 230 V AC, 50/60 Hz
• Switching output: 1 NO potential-free contact, max 16 A
• Light sensor range: 2 – 2000 lx adjustable
• Switching delay: 20 – 80 s adjustable
• Protection type: IP55
• Protection class: II
• Ambient temperature: -30 °C to +50 °C
• Housing material: UV-stabilised polycarbonate

Recommendations

For optimal performance, mount the device on a wall where the sensor is not exposed to direct artificial light sources. Use the test function to verify the switching threshold during installation.