Housing made of sheet steel with cover ring made of die-cast aluminum, painted pebble gray similar to Ral 7032, with translucent glass pane made of safety glass, wired for operation with driver, aluminum heat sink for effective passive cooling. With fastening springs for tool-free installation, suitable for ceiling thicknesses of 10mm-25mm. Direct wide beam light distribution using high-gloss, piece-anodized reflector made of pure aluminum, with translucent cover made of safety glass. External driver wired for operation with luminaire. Electrical connection via 3-pin connection terminal with plug contact technology.