This standard applies to the protection classification of electrical equipment with a rated voltage not exceeding 72.5kV and protected by an enclosure. The purpose of this standard is as follows: a) Specify the enclosure protection level for the following contents of electrical equipment: --- 1) Protection against human body touching dangerous parts inside the enclosure; 2) Protection against solid foreign matter entering the equipment inside the enclosure;
GB/T 4208-2017 Referenced Document
GB/T 2421.1-2008 Environmental testing for electric and electronic products.General and guidance
GB/T 2423.37-2006 Environmental testing for electric and electronic products Part 2: Test methods Test L: Dust and sand
IEC 60050 International Electrotechnical Vocabulary (IEV) - Index
IEC 60071-2:1996 Insulation co-ordination - Part 2: Application guide
GB/T 4208-2017 history
2017GB/T 4208-2017 Degrees of protection provide by enclosure (IP code)
2008GB 4208-2008 Degrees of protection provided by enclosure(IP code)
1993GB/T 4208-1993 Classification of enclosure protection class