GB/T 13539.2-2002 Low-voltage fuses-Part 2: Supplementary requirements for fuses for use by authorized persons(fuses mainly for industrial application) (English Version)
These supplementary requirements apply to fuses intended for professional use. Professional fuses are generally designed for use in installations where only professional personnel can access and replace the fuse.
GB/T 13539.2-2002 history
2015GB/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
2009GB/T 13539.2-2008 Low-voltage fuses-Part 2: Supplementary requirements for fuses used by professionals (fuses mainly used in industry) Examples of standardized fuse systems A to I
2002GB/T 13539.2-2002 Low-voltage fuses-Part 2: Supplementary requirements for fuses for use by authorized persons(fuses mainly for industrial application)