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Standards GB - Chinese national standards - Page 6056
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 14048.3-2017
WITHDRAWN
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Low-voltage switchgear and controlgear—Part3: Switchesdisconnectorsswitch-disconnectors and fuse-combination units
WITHDRAWN published on 29.12.2017
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GB 14048.4-1993
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Low-voltage switchgear and controlgear. Low-voltage electromechanical contactors and motor starters
WITHDRAWN published on 5.9.1993
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GB 14048.4-2003
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Low-voltage switchgear and controlgear—Electromechanical contactors and motor-starters
WITHDRAWN published on 10.9.2003
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GB/T 14048.4-2010
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Low-voltage switchgear and controlgear—Part 4-1:Contactors and motor-starters—Electromechanical contactors and motor-starters(Including motor protector)
WITHDRAWN published on 10.11.2010
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GB 14048.5-1993
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General rules for low-voltage switchgear and control-gear control circuit devices and switching elements section one. Electromechanical control circuit device
WITHDRAWN published on 1.1.1993
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GB 14048.5-2001
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Low-voltage switchgear and controlgear—Part 5-1:Control circuit devices and switching element—Electromechanical control circuit devices
WITHDRAWN published on 2.11.2001
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GB/T 14048.5-2008
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Low-voltage switchgear and controlgear—Part 5-1:Control circuit devives and switching element—Electromechanical control circuit devices
WITHDRAWN published on 19.6.2008
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GB 14048.6-1998
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Low-voltage switchgear and controlgear Contactors and motor-starters Section 2:AC Semiconductor motor controllers and starters
WITHDRAWN published on 21.12.1998
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GB 14048.6-2008
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Low-voltage switchgear and controlgear—Part 4-2:Contactors and motor-starters—AC semiconductor motor controllers and starters(including soft-starter)
WITHDRAWN published on 24.3.2008
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GB/T 14048.6-2016
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Low-voltage switchgear and controlgear—Part 4-2: Contactors and motor-starters—AC semiconductor motor controllers and starters (including soft-starters)
WITHDRAWN published on 29.8.2016
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