GB/T 4109-2008
AbolishedInsulated bushings for alternating voltages above 1 000V
交流电压高于1000V的绝缘套管
Application Summary AI generated
This standard specifies the technical requirements, test methods, and acceptance criteria for insulated bushings used in electrical equipment operating at alternating voltages above 1,000V. It is applied in the design, manufacturing, and quality inspection of bushings for transformers, circuit breakers, and other high-voltage apparatus in power transmission and distribution systems. The standard ensures reliable electrical insulation and mechanical performance under operational and fault conditions.
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