Powerful hall luminaire with lens optics for maximum light efficiency, no internal contamination thanks to integrated dust filter, light head can be swivelled 36°, easy to maintain, no UV and heat radiation, heat management with form-integrated passive cooling, light head made of die-cast aluminium, screw mounting on the ceiling via mounting bracket, lens optics made of clear polycarbonate, 3-pin connector for mains connection, operating device (LED converter) integrated