Surface-mounted downlighter with LED Design: Surface-mounted downlighter, diameter 410 mm for ceiling and pendant mounting, with RIDI LED module. Housing cylinder and gear tray plate in steel. Lower housing ring in die-cast metal with integrated fixture for toolless mounting of the decor ring. Housing white powder coated (similar to RAL9016). Decor ring in die-cast metal, white powder coated, with bayonet catch. Protection rating IP 40. RIDI-LED module round, fitted with mid-power-LEDs, fixture using key holes, plug-in electrical connection to the converter. Passive cooling at large-area copper surfaces. Colour rendering in index Ra >= 80, colour temperature 4000 Kelvin (840) or 3000 Kelvin (830), other colour temperatures possible on request. Electronic converter for LED, 220-240 Volt, 0/50-60 Hz and internal connector block 5x2.5mm². Suitable for direct voltage operation and use in central battery systems. Mounting: Direct ceiling mounting or with accessories for wire pendant mounting. ADLR 410/... DPS Cover panel with embossed microprisms in UV-stabilised PMMA. LEDs appear as several spots.