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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
Automatic electrical controls for household and similar use - Particular requirements for motor-starting relays
Standard published on 30.12.2008
Selected format:Automatic electrical controlsPart 12: Particular requirements for energy regulators
Standard published on 26.10.2024
Selected format:Automatic electrical controls—Part 13: Particular requirements for electrically operated door locks
Standard published on 30.12.2022
Selected format:Automatic electrical controls—Part 15: Particular requirements for humidity sensing control
Standard published on 30.12.2022
Selected format:Automatic electrical controls for household and similar useParticular requirements for electric actuators
Standard published on 17.12.2013
Selected format:Automatic electrical controls for household and similar use Part 2:particular requirements for automatic electrical water level sensing controls of the float or electrode-sensor type used in boiler applications
Standard published on 29.7.2005
Selected format:Automatic electrical controls for household and similar use - Particular requirements for automatic electrical water level controls of the float type for household and similar applications
Standard published on 25.8.2006
Selected format:Automatic electrical controls for household and similar use - Particular requirements for automatic electric water and air flow sensing controls, including mechanical requirements
Standard published on 30.12.2008
Selected format:Automatic electrical controls—Part 3: Particular requirements for thermal motor protectors
Standard published on 30.12.2022
Selected format:Automatic electrical controls for household and similar use - Particular requirements for thermal protectors for ballasts for tubular fluorescent lamps
Standard published on 30.12.2008
Selected format:Latest update: 2026-04-15 (Number of items: 2 272 661)
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