Sheet steel housing in a square design, prepared for attaching end faces or luminaire connectors made of steel, direct light distribution using reflection-enhanced MIRO® aluminum micro-parabolic louvre, satin matt with low-cross-section slats, for computer workstations, 65° < 1500 cd/m² all-round glare control in accordance with the current standard DIN-EN 12464-1, self-locking, with light strip installation the louvre is optically continuous, electrical connection via 3-pin connection terminal with plug-in contact technology.