GB/T 18802.12-2024 Low-voltage surge protective device(SPD)—Part 12:Surge protective devices connected to low-voltage power systems—Selection and application principles

GB/T 18802.331-2024 Components for low-voltage surge protection—Part 331:Performance requirements and test methods for metal oxide varistors(MOV)

GB/T 18802.12-2014 Low-voltage surge protective devices—Part 12:Surge protective devices connected tolow-voltage power distribution systems—Selection and application principles

GB 4208-1993 Degrees of protection provided by enclosure (IP code) GB/T 4208-2008 Degrees of protection provided by enclosure(IP code) GB/T 4208-2017 Degrees of protection provided by enclosure(IP code) GB 7251.1-1997 Low-voltage switchgear and control gear assemblies—Part 1:Type-tested and partially type-tested assemblies GB 7251.1-2005 Low-voltage switchgear and control gear assemblies—Part 1:Type-tested and partially type-tested assemblies GB/T 7251.1-2013 Low-voltage switchgear and controlgear assemblies—Part 1:General rules GB/T 7251.1-2023 Low-voltage switchgear and controlgear assemblies—Part 1:General rules GB 7251.2-1997 Low-voltage switchgear and control gear assemblies—Part 2:Particular requirements for busbar trunking systems(busways) GB 7251.2-2006 Low-voltage switchgear and controlgear assemblies—Part 2:Particular requirements for busbar trunking systems (busways) GB/T 7251.2-2023 Low-voltage switchgear and controlgear assemblies—Part 2:Power switchgear and controlgear assemblies GB 7251.3-1997 Low-voltage switchgear and control gear assemblies—Part 3:Particular requirements for low-voltage switchgear and control gear assemblies intended to be installed in places where unskilled persons have access for their use—Distribution boards GB/T 7251.3-2006 Low-voltage switchgear and control gear assemblies—Part 3:Particular requirements for low-voltage switchgear and control gear assemblies intended to be installed in places where unskilled persons have access for their use—Distribution boards GB/T 7251.3-2017 Low-voltage switchgear and controlgear assemblies—Part 3:Distribution boardsintended to be operated by ordinary persons(DBO) GB 7251.4-1998 Low-voltage switchgear and control gear assemblies—Part 4:Particular requirements for assemblies for construction sites(ACS) GB/T 7251.4-2006 Low-voltage switchgear and control gear assemblies—Part 4:Particular requirements for assemblies for construction sites(ACS) GB/T 7251.4-2017 Low-voltage switchgear and controlgear assemblies—Part 4:Particular requirements for assemblies for construction sites(ACS) GB 7251.5-1998 Low-voltage switchgear and control gear assemblies—Part 5:Particular requirements for assemblies intended to be installed outdoors in public places—Cable distribution cabinets (CDCs)for power distribution in networks GB/T 7251.5-2008 Low-voltage switchgear and controlgear assemblies—Part 5:Particular requirements for assemblies for power distribution in public networks GB/T 7251.5-2017 Low-voltage switchgear and controlgear assemblies—Part 5:Assemblies for power distribution in public networks GB/T 7251.5-2025 Low-voltage switchgear and controlgear assemblies—Part 5:Assemblies for power distribution in public networks GB/T 7251.6-2015 Low-voltage switchgear and controlgear assemblies—Part 6:Busbar trunking systems(busways) GB/T 7251.7-2015 Low-voltage switchgear and controlgear assemblies—Part 7:Assemblies for specific applications such as marinas,camping sites,market squares,electric vehicles charging stations GB/T 7251.7-2025 Low-voltage switchgear and controlgear assemblies—Part 7:Assemblies for specific applications such as marinas,camping sites,market squares,electric vehicle charging stations GB/T 7251.8-2005 Low-voltage switchgear and controlgear assemblies—General technology requirement for intelligent assemblies GB/T 7251.8-2020 Low-voltage switchgear and controlgear assemblies—Part 8:General technical requirements for intelligent assembly GB/T 7251.10-2014 Low-voltage switchgear and controlgear assemblies—Part 10:Guidance to specifying assemblies GB/T 7251.10-2025 Low-voltage switchgear and controlgear assemblies—Part 10:Guidance to specifying assemblies GB/T 7251.12-2013 Low-voltage switchgear and controlgear assemblies—Part 2:Power switchgear and controlgear assemblies GB/T 10963.1-2005 Electrical accessories—Circuit-breakers for overcurrent protection for household and similar installation—Part 1:Circuit-breakers for a.c. operation GB/T 10963.1-2020 Electrical accessories—Circuit-breakers for overcurrent protection for household and similar installations—Part 1:Circuit-breakers for a.c.operation GB 13539.1-2002 Low-voltage fuses—Part 1:General requirements GB 13539.1-2008 Low-voltage fuses—Part 1:General requirements GB/T 13539.1-2015 Low-voltage fuses—Part 1:General requirements GB/T 13539.2-2002 Low-voltage fuses—Part 2:Supplementary requirements for fuses for use by authorized persons(fuses mainly for industrial application) GB/T 13539.2-2008 Low-voltage fuses—Part 2:Supplementary requirements for fuses for use by authorized persons(fuses mainly for industrial application)—Examples of standardized systems of fuses A to I GB/T 13539.2-2015 Low-voltage fuses—Part 2:Supplementary requirements for fuses for use by authorized persons(fuses mainly for industrial application)—Examples of standardized systems of fuses A to K GB 13539.3-1999 Low-voltage fuses—Part 3:Supplementary requirements for fuses for use by unskilled person (fuses for mainly for household and similar apllication) GB/T 13539.3-2008 Low-voltage fuses—Part 3:Supplementary requirements for fuses for use by unskilled persons(fuses mainly for household and similar applications)—Examples of standardized systems of fuses A to F GB/T 13539.3-2017 Low-voltage fuses—Part 3:Supplementary requirements for fuses for use by unskilled persons (fuses mainly for household and similar applications)— Examples of standardized systems of fuses A to F GB 13539.4-1992 Low-voltage fuses—Supplementary requirements for fuse-links for the protection of semiconductor devices GB/T 13539.4-2005 Low-voltage fuses—Part 4:Supplementary requirements for fuse-links for the protection of semiconductor devices GB/T 13539.4-2009 Low-voltage fuses—Part 4:Supplementary requirements for fuse-links for the protection of semiconductor devices GB/T 13539.4-2016 Low-voltage fuses—Part 4:Supplementary requirements for fuse-links for the protection of semiconductor devices GB/T 13539.5-1999 Low-voltage fuses Part 3:Supplementary requirements for fuses for use by unskilled persons (fuses for mainly for household and similar application)—Examples of standardized fuses GB/T 13539.5-2013 Low-voltage fuses—Part 5:Guidance for the application of low-voltage fuses GB/T 13539.5-2020 Low-voltage fuses—Part 5:Guidance for the application of low-voltage fuses GB/T 13539.6-2002 Low-voltage fuses Part 2:Supplementary requirements for fuses by authorized persons(fuses mainly for industrial application)—Sections 1 to 5:Examples of standardized fuses GB/T 13539.6-2013 Low-voltage fuses—Part 6:Supplementary requirements for fuse-links for the protection of solar photovoltaic energy systems GB/T 13539.6-2024 Low-voltage fuses—Part 6:Supplementary requirements for fuses-links for the protection of solar photovoltaic energy systems GB/T 13539.7-2005 Low-voltage fuses—Part 4-1:Supplementary requirement for fuse-links for the protection of semiconductor devices—Section Ⅰ to Ⅲ:Examples of types of standardized fuse-links GB/T 13539.7-2024 Low voltage fuses—Part 7:Supplementary requirements for fuse-links for the protection of batteries and battery systems GB 14048.2-2001 Low-voltage switchgear and controlgear—Low-voltage circuit breakers GB/T 14048.2-2008 Low-voltage switchgear and controlgear—Part 2:Circuit-breakers GB/T 14048.2-2020 Low-voltage switchgear and controlgear—Part 2:Circuit-breakers GB 16895.5-2000 Electrical installations of buildings—Part 4:Protection for safety—Chapter 43:Protection against over current GB/T 16895.5-2012 Low-voltage electrical installations—Part 4-43:Protection for safety—Protection against overcurrent GB/T 16895.10-2021 Low-voltage electrical installations—Part 4-44:Protection for safety—Protection against voltage disturbances and electromagnetic disturbances GB/T 16895.22-2022 Low-voltage electrical installations—Part 5-53: Selection and erection of electrical equipment—Devices for protection for safety, isolation, switching,control and monitoring GB 16916.1-2003 Residual current operated circuit-breakers without integral overcurrent protection for household and similar uses(RCCB)—Part 1:General rules GB/T 16916.1-2014 Residual current operated circuit-breakers without integral overcurrent protection for household and similar uses (RCCB)—Part 1:General rules GB 16917.1-1997 Residual current operated circuit-breakers with integral overcurrent protection for household and similar uses(RCBO) Part1:General rules GB 16917.1-2003 Residual current operated circuit-breakers with integral overcurrent protection for household and similar uses(RCBO) Part 1:General rules GB/T 16917.1-2014 Residual current operated circuit-breakers with integral overcurrent protection for household and similar uses (RCBOs)—Part 1:General rules GB/T 16935.1-2023 Insulation coordination for equipment within low-voltage supply systems—Part 1:Principles, requirements and tests GB/T 17626.5-1999 Electromagnetic compatibility—Testing and measurement techniques—Surge immunity test GB/T 17626.5-2008 Electromagnetic compatibility—Testing and measurement techniques—Surge immunity test GB/T 17626.5-2019 Electromagnetic compatibility—Testing and measurement techniques—Surge immunity test GB/T 18802.11-2020 Low-voltage surge protective devices (SPD)—Part 11:Surge protective devices connected to low-voltage power systems—Requirements and test methods GB/T 21714.2-2008 Protection against lightning—Part 2:Risk management GB/T 21714.2-2015 Protection against lightning—Part 2:Risk management GB/T 21714.4-2008 Protection against lightning—Part 4:Electrical and electronic systems within structures GB/T 21714.4-2015 Protection against lightning—Part 4:Electrical and electronic systems within structures GB/T 33588.6-2016 Lightning protection system components(LPSC)—Part 6:Requirements for lightning strike counters (LSC) GB/T 33588.6-2020 Lightning protection system components(LPSC)—Part 6:Requirements for lightning strike counters(LSC) GB/T 33588.6-2025 Lightning protection system components(LPSC)—Part 6:Requirements for lightning strike counters(LSCs)

IEC 61643-12:2020