Ceiling-mounted luminaire made of plastic with LEDs, 1 or 2 lamps. Can be used in industrial applications and in areas with special protection requirements. Weather- and UV-resistant luminaire housing made of glass-fiber reinforced plastic, similar to RAL 9010. Can be used indoors and outdoors in accordance with protection class IP 65 (1 or 2 lamps). Lamp and device compartment thermally separated. Short sealing system consisting of age-resistant, dimensionally stable silicone/synthetic rubber. Protective tube reflector with locking system for easy LED changes (easy eXchange LED), independently pivotable, made of PMMA Transopal® (impact-resistant) or PC Tropal® (shatter-proof) with internal aluminum reflector (MIRO-SILVER®). The protective tube reflector can be locked in 10° increments. Luminaire ready for installation and connection. Built-in operating device 230 V AC/DC. Two connection covers, two M20 front cable membranes. 2 kV transient filter. Single or strip mounting. Ceiling mounting using two stainless steel mounting brackets, variable mounting distance.