GB 21518-2008
AbolishedMinimum allowable values of energy efficiency and energy efficiency grades for AC contactors
交流接触器能效限定值及能效等级
Application Summary AI generated
GB 21518-2008 specifies the minimum allowable energy efficiency values and energy efficiency grades for AC contactors, which are electrical switching devices used in industrial and commercial power distribution systems. This standard applies to AC contactors with rated voltages up to 1000V and rated currents up to 630A, primarily in motor control, lighting, and heating applications. It is used by manufacturers for product design and by regulators for energy efficiency certification and market surveillance to reduce operational energy losses.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.