Modular construction consisting of downlight and separate gearbox for placing or suspending in ceiling void | sheet steel housing, black coated | variation (for installation from below) with wide, visible sheet steel faceplate, coated pure white (RAL 9010); three-point mounting with screw terminals | variation (for installation from above) with narrow visible sheet steel faceplate, coated pure white (RAL 9010); mounting to ceiling structure via height-adjustable support platform |