Explosion-proof cassette luminaire with LED modules, designed for use in zones 21 and 2.22 with the risk of explosion of gases, vapors and mists of flammable liquids with air, as well as flammable dust and fibers. The housing of the luminaire is made of stainless steel, painted with modified powder paint, while the lampshade is made of tempered glass or OPAL polycarbonate. Possible execution in the emergency version A3 or adapted to work with the central battery ZB, as well as supporting the DALI protocol.