GB/T 7253-2005
AbolishedInsulators for overhead lines with a nominal voltage above 1000V -- Ceramic or glass insulator units for a.c.systems -- Charateristics of insulator units of the cap and pin type
标称电压高于1000V的架空线路绝缘子 交流系统用瓷或玻璃绝缘子元件 盘形悬式绝缘子元件的特性
Application Summary AI generated
This standard specifies the dimensions, electrical and mechanical characteristics, and marking requirements for cap and pin type ceramic or glass insulator units used in AC overhead transmission lines with nominal voltages above 1000V. It is applied by manufacturers and utilities to ensure interchangeability and consistent performance of suspension insulator strings in high-voltage power transmission systems. The standard facilitates design, procurement, and quality control of insulators for electrical engineering applications.
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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.