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Standards GB - Chinese national standards - Page 6301

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GB/T 14598.7-1995 WITHDRAWN

Electrical relays—Part 3:Single input energizing quantity measuring relays with dependent or independent time

WITHDRAWN published on 2.6.1995

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382.80 USD

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GB/T 14598.8-1995 WITHDRAWN

Electrical relays—Part 20:Protection (protective)systems

WITHDRAWN published on 24.7.1995

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GB/T 14598.8-2008 WITHDRAWN

Electrical relays - Part 20: Protection systems

WITHDRAWN published on 18.6.2008

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electronic design (pdf) (1222.80 USD)

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1 222.80 USD

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GB/T 14598.9-1995 WITHDRAWN

Electrical relays. Part 22: Electrical disturbance tests for measuring relays and protection equipment. Section three--Radiated electromagnetic field disturbance tests

WITHDRAWN published on 24.7.1995

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814.80 USD

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GB/T 14598.9-2002 WITHDRAWN

Electrical relays—Part 22-3:Electrical disturbance tests for measuring relays and protection equipment—Radiated electromagnetic field disturbance tests

WITHDRAWN published on 8.10.2002

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electronic design (pdf) (430.80 USD)

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