Finder twilight switch for 35mm din rail light dependent relay 11 series finder 114282300000 this light dependent relay twilight switch is from the finder 11 series and is used for the automatic control of lighting according to the ambient light level the relay is for 35mm din rail mounting with an input voltage rating of 230v ac 50 60hz and 12a output it has two independent outputs with individual lux setting the selector has 4 positions they are standard range threshold setti