Brightness detector ALC

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The ALC dimming photocell automatically adjusts the light output of luminaires depending on the amount of natural light available, to a maintained illuminance level. Suitable for use with dimming ballasts only. An optional manual control, via a switch input, allows the user to override the dimming levels and turn the output on and off. Key features: Flush or surface mounted Adjustable preset levels for more control Adjustable time delay prevents nuisance switching Dimming version available to provide a maintained level of illuminance