Particularly flat design of the luminaire housing, extruded aluminum profile, naturally anodized, visible height 30mm, front sides and side parts made of naturally anodized aluminum with a continuous longitudinal groove, rounded towards the underside of the luminaire. Direct/indirect light distribution, direct component using a frosted PMMA pane, homogeneous light emission through side LED light coupling and an aluminum reflector with a highly reflective white coating, with micro-perforations for light ceiling illumination. Integrated LED driver design. Electrical connection via 3-pin connection terminal with plug-in contact technology.