LED wall and ceiling luminaire (round) with variable luminaire body for architectural structures (e.g. arches, waves); luminaire ultra-flat with integrated converter; modular LED luminaire concept; cover of polymethylmethacrylate (PMMA), opal with symmetric Lambertian light distribution; lamp(s): 1/15W LED1100-840; Colour rendering Ra > 80, colour temperature 4000 K (neutral white); Chromaticity tolerance (initial MacAdam): 3; Luminaire luminous flux: 1100 lm, Luminaire efficacy: 73 lm/W; service life: 50000 h for luminous flux at 80%; control gear: LED converter ; luminaire unit can be rotated through 355°and tilted through ±30°; luminaire consists of housing, cover and trim; housing of die-cast aluminium, white matt painted; trim in polycarbonate, white; Suspension consists of pre-assembled cable (2000 mm) and included white ceiling rose (pendant tube must be ordered separately); electrical connection: 5-pole connector terminal, through-wiring is not possible; total power: 15 W; mains voltage: 220-240V/ 50/60Hz; class of protection I; Dimensions: Ø334 x 74 mm; weight: 3 kg; Note: please order pendant tube separately. Can be cut to length on-site.