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Standards GB - Chinese national standards - Page 356
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 14048.18-2016
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Low-voltage switchgear and controlgear—Part 7-3: Ancillary equipment—Safety requirements for fuse terminal blocks
Standard published on 24.2.2016
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GB/T 14048.19-2013
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Low-voltage switchgear and controlgearPart 5-7: Control circuit devices and switching elementsRequirements for proximity devices with analogue output
Standard published on 17.12.2013
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GB/T 14048.2-2020
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Low-voltage switchgear and controlgear—Part 2: Circuit-breakers
Standard published on 29.9.2020
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GB/T 14048.20-2013
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Low-voltage switchgear and controlgearPart 5-8: Control circuit devices and switching elementsThree-position enabling switches
Standard published on 17.12.2013
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GB/T 14048.21-2013
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Low-voltage switchgear and controlgearPart 5-9: Control circuit devices and switching elementsFlow rate switches
Standard published on 17.12.2013
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GB/T 14048.22-2022
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Low-voltage switchgear and controlgear—Part 7-4: Ancillary equipment—PCB terminal blocks for copper conductors
Standard published on 12.10.2022
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GB/T 14048.23-2022
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Low-voltage switchgear and controlgear—Part 9-1: Active arc-fault mitigation systems—Arc quenching devices
Standard published on 12.10.2022
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GB/Z 14048.24-2024
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Low-voltage switchgear and controlgear—Part 7-5: Ancillary equipment—Terminal blocks for aluminium conductors
Standard published on 25.4.2024
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GB/T 14048.25-2025
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Low-voltage switchgear and controlgear—Part 9-2: Active arc-fault mitigation systems—Optical-based internal arc-detection and mitigation devices
Execute Date: july 2026
Standard published on 31.12.2025
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GB/T 14048.3-2017
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Low-voltage switchgear and controlgear—Part3: Switchesdisconnectorsswitch-disconnectors and fuse-combination units
Standard published on 29.12.2017
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