Luminaire for ceiling or three-phase electric track installation. For LED lamps, very low voltage halogen lamps or standard and discharge lamps. Self-extinguishing ceramic or engineering plastic lamp holders, with single-pole, transparent electric wires with double Teflon insulation. Aluminum body, placed above the lamp holder, black thermoplastic and 4 mm tempered glass screen-support ring. Die-cast aluminum alloy body, cover and adjustable lamp support, powder-coated white, grey or black. Thermoplastic three-phase adapter. Finishes: white (30), grey (02), black (14).