GOST R IEC 60034-5-2007 Rotating electrical machines. Part 5. Classification of protection degrees provided by the integral design of rotating electrical machines (IP code)
IEC 60034-1:2004 Rotating electrical machines - Part 1: Rating and performance
IEC 60034-6:1991 Rotating electrical machines; part 6: methods of cooling (IC code)
GOST R IEC 60034-5-2007 history
2007GOST R IEC 60034-5-2007 Rotating electrical machines. Part 5. Classification of protection degrees provided by the integral design of rotating electrical machines (IP code)