GB/T 7253-2019
ActiveInsulators for overhead lines with a nominal voltage above 1 000V—Ceramic or glass insulator units for a.c.systems—Characteristics 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 dimensional, mechanical, and electrical characteristics of cap and pin type ceramic or glass insulator units used in AC overhead power lines with nominal voltages above 1000V. It is applied by manufacturers and utilities for the design, procurement, and testing of suspension insulators to ensure interchangeability and reliable performance in high-voltage transmission systems.
Related Standards
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Insulators for overhead lines with a nominal voltage above 1000V--Ceramic or glass insulator units for d.c. systems--Difinitions，test methods and acceptance criteria
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GB/Z 43963-2024
Guidance for determination of clearances, creepage distances and requirements for solid insulation for equipment with a rated voltage above 1 000 V AC and 1 500 V DC, and up to 2 000 V AC and 3 000 V DC
GB/T 775.2-2003
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