Finder Twilight Switch for 35 mm DIN Rail, Series 11.91.8.230, 2-150 lx, 230 V AC, 1 Changeover 11.91.8.230.0000

In residential and commercial buildings, the Finder twilight switch automatically controls lighting based on ambient light levels. Mounted on a 35 mm DIN rail, it switches lights on at dusk and off at dawn, ensuring reliable operation without manual intervention.

Key specifications

• Light sensitivity range: 2 - 150 lx
• Operating voltage: 230 V AC, 50/60 Hz
• Contact configuration: 1 changeover (CO)
• Rated current: 16 A
• Switching delay: 15 - 20 s
• Power consumption: 1.5 W
• Protection degree: IP20
• Operating temperature: -30 to +50 °C
• Mounting: 35 mm DIN rail, 2 modules wide

Why choose it

This twilight switch offers a wide adjustable light sensitivity range, making it suitable for various lighting conditions. Its compact 2-module design fits easily into standard distribution boards, and the integrated photocell eliminates the need for external sensors.

Ideal use cases

• Automatic control of outdoor lighting for homes and businesses
• Street lighting and parking lot illumination
• Energy-saving lighting control in corridors and stairwells

Good to know

The switch includes a built-in delay to prevent false triggering from transient light changes. It is designed for use in dry environments (IP20) and can handle a variety of lamp types, including LED, incandescent, halogen, and fluorescent loads.