Sheet steel housing, rectangular cross-section, clean rooms and clean room areas in accordance with DIN 14644-1, also IPA-certified luminaire, tested for clean room systems in accordance with ISO CLASS 1 and chemical and biological resistance at the individual component level, direct light distribution, using CDP microprism disc made of PMMA and forward-scattering diffuser film as multilayer technology, with clear cover made of laminated safety glass, LED driver design integrated. Electrical connection and connection of the control line via 5-pin connection terminal with plug-in contact technology. The aduna clean room luminaire is suitable for direct current (0/50Hz), additional marking must be provided for emergency lighting.