(ROSSLYN, Va.)—The National Electrical Manufacturers Association (NEMA) has published SSL 3-2011 High-Power White LED Binning for General Illumination. This standard, first published in 2010, was produced by NEMA’s Solid State Lighting Section.
SSL 3 offers categorization areas (bins) for chromaticity (colors), forward voltage measurements (an electrical designation), and luminous flux (light output) for light-emitting diodes (LEDs) used for general lighting. The binning process helps ensure continuity among suppliers. The standard also sets a level of expectation for characterization that results in a reasonable number of bins for stocking purposes.
Updates in this revision include bins for forward voltage measurements and luminous flux as well as a labeling scheme for chromaticity.
Robert Hick of Leviton, chair of the Solid State Lighting Section, said, “This new revision of SSL 3 provides additional binning characteristics for LEDs to streamline manufacturing processes and help ensure consistency for integrators and end users. NEMA is a global leader for solid state lighting and will continue to support the successful adoption of this vital energy-saving technology through standardization.”
The contents and scope of SSL 3 may be viewed, or a hardcopy or electronic copy purchased for $39, by visiting www.nema.org/stds/ssl3.cfm, or by contacting IHS at 800-854-7179 (within the U.S.), 303-397-7956 (international), 303-397-2740 (fax), or global.ihs.com.
SSL 3 is the third solid state lighting standard published by NEMA in 2011, joining new publications SSL 1 and SSL 6. To learn more about the association’s lighting standards, visit www.nema.org/stds/lighting.cfm.
NEMA is the association of electrical and medical imaging equipment manufacturers. Founded in 1926 and headquartered near Washington, D.C., its approximately 450 member companies manufacture products used in the generation, transmission and distribution, control, and end use of electricity. These products are used in utility, industrial, commercial, institutional, and residential applications. The association’s Medical Imaging & Technology Alliance (MITA) Division represents manufacturers of cutting-edge medical diagnostic imaging equipment including MRI, CT, x-ray, and ultrasound products. Worldwide sales of NEMA-scope products exceed $120 billion. In addition to its headquarters in Rosslyn, Virginia, NEMA also has offices in Beijing and Mexico City.
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