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Standards GB - Chinese national standards - Page 78
Standards GB are Chinese national standards, which are issued by China's Standardization Administration Office (SAC).
Chinese national standards are used all over China commonly labeled as GB standards. They determine the united production requirements regarding product safety and quality .
GB standards are often modified or created according to the international standards of ISO, IEC or any other international level.
Although, they are largely harmonized, GB standards may differ from international standards .
Approximately 15% of all GB standards are obligatory and they can be identified according to the prefix GB, after which the code of the standards follows:
GB – Obligatory national standards
GB/T – Optional national standards
GB/Z – National steering technical document
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GB/T 11024.1-2019
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Shunt capacitors for a.c. power systems having a rated voltage above 1 000 V—Part 1:General
Standard published on 25.3.2019
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GB/T 11024.2-2019
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Shunt capacitors for a.c. power systems having a rated voltage above 1 000 V - Part 2: Ageing testing
Standard published on 25.3.2019
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GB/T 11024.3-2019
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Shunt capacitors for a.c. power systems having a rated voltage above 1 000 V—Part 3:Protection of shunt capacitors and shunt capacitor banks
Standard published on 25.3.2019
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GB/T 11024.4-2019
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Shunt capacitors for a.c. power systems having a rated voltage above 1 000 V—Part 4:Internal fuses
Standard published on 25.3.2019
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GB/T 11026.1-2016
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Electrical insulating materials—Thermal endurance properties—Part 1: Ageing procedures and evaluation of test results
Standard published on 13.12.2016
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GB/T 11026.10-2019
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Electrical insulating materials—Thermal endurance properties—Part 10: Accelerated determination of relative thermal endurance using analytical test methods(RTEA)—Instructions for calculation based on activation energy
Standard published on 4.6.2019
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GB/T 11026.2-2012
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Electrical insulating materials - Thermal endurance properties - Part 2: Choice of test criteria
Standard published on 31.12.2012
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GB/T 11026.3-2017
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Electrical insulating materials—Thermal endurance properties —Part 3: Intrucations for calculating thermal endurance characteristics
Standard published on 29.12.2017
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GB/T 11026.3-2025
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Electrical insulating materials—Thermal endurance properties—Part 3: Instructions for calculating thermal endurance characteristics
Execute Date: may 2026
Standard published on 5.10.2025
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GB/T 11026.4-2012
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Elecrical insulating materials - Thermal endurance properties - Part 4: Ageing ovens - Single-chamber ovens
Standard published on 31.12.2012
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