Halogen-Metal Halide lamps with quartz technology for enclosed light fittings. Product features. POWERSTAR® quartz technology. Light colors: Neutral white (N), Daylight (D) Product advantages. Up to 400 W power. High efficiency. Long service life. Screw base E40 for easy lamp handling. Thanks to UV filter significantly below the maximum permissible UV limit values according to IEC 61167 Application areas. Halls for industry and commerce. Sports and multipurpose halls. Industrial plants. Shipyard and port facilities. Marshalling yards, container transshipment plants. Buildings, monuments, bridges. Only approved for operation in enclosed light fittings. Outdoor applications only in suitable light fittings. Lamp power: 400W, Lamp voltage: 118V, Luminous flux: 39000lm, Base: E40, UV protection: Yes, Color Rendering Index CRI: 60-69, Color temperature: 3900K, Light color according to EN 12464-1: neutral white 3300 to 5300 K, Lamp luminous efficacy: 97lm/W, Lamp shape: Tube, single-ended, Burning position: p45, Diameter: 62.00mm, Overall length: 273.00mm, External control gear required: Yes, Enclosed light fitting required: Yes, Light color: 742, Design: clear, Lamp designation: T15, Energy efficiency class: G, Weighted energy consumption in 1.000 hours: 462.00kWhEAN/GTIN: 4008321792341