More informationIdeal for round shaped ceiling and pendant luminaires ¦ Optimal solution for Tunable White applications together with LCA PRE DT8 or 2 channel low profile LED drivers ¦ This article contains 4 slices of CLE 261 / 401 or 8 slices CLE 541 to equip one luminaire of 360 degrees ¦ Long lifetime up to 50,000 hours ¦ 5 years guarantee (conditions at www.tridonic.com) ¦ Circular Tunable White LED module with 2,700 and 6,500 K SMT packages ¦ Efficacy of the LED module up to 198 lm/W at 6,500 K, Irated and tp = 45 °C ¦ High colour rendering index CRI > 90 ¦ Small colour tolerance (MacAdam 3) ¦ Low tolerances for luminous flux