JIS C 4034-5:1999 Rotating electrical machines -- Part 5: Classification of degrees of protection provided by enclosures of rotating electrical machines (IP code)
This standard specifies the classification of protection methods based on the outer covering structure of rotating electrical machines (hereinafter referred to as rotating machines) and their display formats.
1999JIS C 4034-5:1999 Rotating electrical machines -- Part 5: Classification of degrees of protection provided by enclosures of rotating electrical machines (IP code)
1992JIS C 4004:1992 General rules for rotating electrical machines