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IEVref:426-04-02ID:
Language:enStatus: Standard
Term: degree of protection of enclosure
Synonym1: IP
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Definition: numerical classification preceded by the symbol IP applied to the enclosure of equipment to provide:

  • protection of persons against contact with, or approach to, live parts and against contact with moving parts (other than smooth rotating shafts and the like) inside the enclosure,
  • protection of the equipment against ingress of solid foreign objects, and
  • where indicated by the classification, protection of the equipment against harmful ingress of water

Note 1 to entry: The conditions for other than rotating machines are specified in IEC 60529, Degrees of protection provided by enclosures (IP Code).

Note 2 to entry: The detailed test requirements for rotating electric machines are in IEC 60034-5, Rotating electrical machines – Part 5: Degrees of protection provided by the integral design of rotating electrical machines (IP code) – Classification.

Note 3 to entry: The enclosure which provides the degree of protection IP is not necessarily the same as the equipment enclosure providing the Type of Protection.

Note 4 to entry: An enclosure which provides the degree of protection required by one of the Types of Protection will have been subjected to other tests prior to the tests for degree of protection.


Publication date:2020-03
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