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Standards GB - Chinese national standards - Page 785
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/Z 17625.3-2000
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Electromagnetic compatibility--Limits--Limitation of voltage fluctuations and flicker in low-voltage power supply systems for equipment with rated current greater than 16 A
Standard published on 3.4.2000
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GB/Z 17625.4-2000
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Electromagnetic compatibility—Limits—Assessment of emission limits for distorting loads in MV and HV power systems
Standard published on 3.4.2000
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GB/Z 17625.5-2000
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Electromagnetic compatibility--Limits--Assessment of emission limits for fluctuating loads in MV and HV power systems
Standard published on 3.4.2000
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GB/Z 17625.6-2003
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Electromagnetic compatibility--Limits--Limitation of emission of harmonic currents in low-voltage power supply systems for equipment with rated current greater than 16A
Standard published on 21.2.2003
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GB/T 17625.7-2013
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Electromagnetic compatibility - Limits - Limitation of voltage changes, voltage fluctuations and flicker in public low-voltage supply systems for equipment with rated current 75 A and subject to conditional connection
Standard published on 19.7.2013
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GB/T 17625.8-2015
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Electromagnetic compatibility—Limits—Limits for harmonic currents produced by equipment connected to public low-voltage systems with input current >16 A and 75 A per phase
Standard published on 11.9.2015
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GB/T 17625.8-2025
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Electromagnetic compatibility-Limits—Part 8: Limits for harmonic currents produced by equipment connected to public low-voltage systems with input current >16 A and 75 A per phase
Standard published on 31.12.2025
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GB/T 17625.9-2016
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Electromagnetic compatibility—Limits—Signalling on low-voltage electrical installations—Emission levels,frequency bands and electromagnetic disturbance levels
Standard published on 13.12.2016
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GB/Z 17626.1-2024
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Electromagnetic compatibility—Testing and measurement techniques—Part 1: Overview of immunity tests
Standard published on 28.11.2024
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GB/T 17626.10-2017
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Electromagnetic compatibility—Testing and measurement techniques—Damped oscillatory magnetic field immunity test
Standard published on 29.12.2017
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