LED luminaire LENSES Design: Modern, low-profile LED pendant luminaire with square four-row lens arrays with an optimally harmonised surface structure for high-efficiency light yield. High-grade rectangular construction in extruded aluminium profile, powder-coated. Overall height: 20 mm around the edges; 35 mm at centre. Installation height in area of ceiling fixture: 58 mm. Mid-power LED modules for maximum lighting efficiency. Protection class I, protection rating IP20. Colour rendering in index Ra >= 80, colour temperature 3000 Kelvin (830), 4000 Kelvin (840) Electronic DALI converter for LED, 220-240 Volt, 0/50-60 Hz and internal connector block. Suitable for direct voltage operation and use in central battery systems, 220-240 VDC. Mounting: Direct ceiling mounting by pre-mounting the ceiling plate, then suspending and fastening the luminaire body. LENSES-AD Light distribution direct through lens array.