Linear and area LED light engines for office, retail, education and industrial luminaires. PrevaLED Linear boards come in lengths such as 280 mm and 560 mm, with up to 2,200 lm on a 560 mm board, in low-voltage versions for SELV drivers and high-voltage versions for non-isolated ones; Area and Bar engines cover square and bar-shaped luminaires. Colour consistency is within 3 SDCM, and matching PrevaLED Linear optics direct the light where it is needed.