The T9401240 is a large rectangular skylight luminaire from ARCOLUME’s Sun Type T-Series. Designed for recessed ceiling mounting, it delivers high-lumen sunlight simulation straight downward, ideal for atriums, galleries, or open commercial spaces. With 600W output, high color fidelity (CRI >93), and tunable white light (2100–7800K), it transforms ceilings into vibrant daylight sources. Fully compatible with Mesh5.0, DALI, and 0–10V smart control systems.