CEI IEC 60529-2001 pdf free download

07-28-2021 comment

CEI IEC 60529-2001 pdf free download.Degrees of protection provided by enclosures (IP Code).
CEI IEC 60529 applies to the classification of degrees of protection provided by enclosures for electrical equipment with a rated voltage not exceeding 72,5 kV.
The object of this standard is to give:
a) Definitions for degrees of protection provided by enclosures of electrical equipment as regards:
1) protection of persons against access to hazardous parts inside the enclosure;
2) protection of the equipment inside the enclosure against ingress of solid foreign objects;
3) protection of the equipment inside the enclosure against harmful effects due to the ingress of water.
b) Designations for these degrees of protection.
c) Requirements for each designation.
d) Tests to be performed to verify that the enclosure meets the requirements of this standard.
It will remain the responsibility of individual technical committees to decide on the extent and manner in which, the classification is used in their standards and to define enclosure as it applies to their equipment. However, it is recommended that for a given classification the tests do not differ from those specified in this standard. If necessary, complementary requirements may be included in the relevant product standard. A guide for the details to be specified in relevant product standards is given in annex B.
For a particular type of equipment, a technical committee may specify different requirements provided that at least the same level of safety is ensured.
This standard deals only with enclosures that are in all other respects suitable for their intended use as specified in the relevant product standard and which from the point of view of materials and workmanship ensure that the claimed degrees of protection are maintained under the normal conditions of use.
This standard is also applicable to empty enclosures provided that the general test requirements are met and that the selected degree of protection is suitable for the type of equipment to be protected.
Measures to protect both the enclosure and the equipment inside the enclosure against external influences or conditions such as
— mechanical impacts
— corrosion
— corrosive solvents (for example, cutting liquids)
— fungus
— vermin
— solar radiation
— icing
— moisture (for example, produced by condensation)
— explosive atmospheres
and the protection against contact with hazardous moving parts external to the enclosure (such as fans), are matters for the relevant product standard to be protected.
Barriers external to the enclosure and not attached to it and obstacles which have been provided solely for the safety of personnel are not considered as a part of the enclosure and are not dealt with in this standard.
2 Normative references
The following normative documents contain provisions which, through reference in this text, constitute provisions of this International Standard. For dated references, subsequent amendments to, or revisions of, any of these publications do not apply. However, parties to agreements based on this International Standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document referred to applies. Members of IEC and ISO maintain registers of currently valid International Standards.
IEC 60050-195:1998, International Electrotechnical Vocabulary (1EV) — Part 195: Earthing and protection against electric shock
IEC 60050(826):1982, International Electrotechnical Vocabulary (1EV) — Chapter 826: Electrical installations of buildings
IEC 60068-1:1988, Environmental testing — Part 1: General and guidance
IEC 60068-2-68:1994, Environmental testing — Part 2: Tests — Test L: Dust and sand
IEC 60071-2:1996, Insulation co-ordination — Part 2: Application guide
3 Definitions
For the purpose of this standard, the following definitions apply:
3.1 enclosure
a part providing protection of equipment against certain external influences and, in any direction, protection against direct contact [1EV 826-03-12].
3.2 direct contact
contact of persons or livestock with live parts [IEV 826-03-05]
3.3 degree of protection
the extent of protection provided by an enclosure against access to hazardous parts, against. ingress of solid foreign objects and/or against ingress of water and verified by standardized test methods
3.4 lP Code
a coding system to indicate the degrees of protection provided by an enclosure against
access to hazardous parts, ingress of solid foreign objects, ingress of water and to give
additional information in connection with such protection
3.5 hazardous part
a part that is hazardous to approach or touch
3.5.1 hazardous live part
a live part which, under certain conditions of external influences, can give an electric shock (see IEC 60050-195. 195-06-05)
3.5.2 hazardous mechanical part
a moving part, other than a smooth rotating shaft, that is hazardous to touch
3.6 protection provided by an enclosure against access to hazardous parts the protection of persons against
— contact with hazardous low-voltage live parts
— contact with hazardous mechanical parts
— approach to hazardous high-voltage live parts below adequate clearance inside an enclosure
NOTE This protechon may be provided
— by means of the enclosure itself,
— by means of barriers as part of the enclosure or distances inside the enclosure.
3.7 adequate clearance for protection against access to hazardous parts
a distance to prevent contact or approach of an access probe to a hazardous part
3.8  access probe
a test probe simulating in a conventional manner a part of a person or a tool, or the like, held by a person to verifty adequate clearance from hazardous parts
3.9 object probe
a test probe simulating a solid foreign object to verify the possibility of ingress into an enclosure
3.10 opening
a gap or aperture in an enclosure which exists or may be formed by the application of a test probe at the specified force
5 Degrees of protection against access to hazardous parts and against solid foreign objects indicated by the first characteristic numeral
The designation with a first characteristic numeral implies that conditions stated in both 5.1 and 5.2 are met.
The first characteristic numeral indicates that:
— the enclosure provides protection of persons against access to hazardous parts by preventing or limiting the ingress of a part of the human body or an object held by a person;
and simultaneously
— the enclosure provides protection of equipment against the ingress of solid foreign objects. An enclosure shall only be designated with a stated degree of protection indicated by the first characteristic numeral if it also complies with all lower degrees of protection.
However, the tests establishing compliance with any one of the lower degrees of protection need not necessarily be carried out provided that these tests would obviously be met if applied.
5.1 Protection against access to hazardous parts
Table 1 gives brief descriptions and definitions for the degrees of protection against access to hazardous parts.
Degrees of protection listed in this table shall be specified only by the first characteristic numeral and not by reference to the brief description or definition.
To comply with the conditions of the first characteristic numeral, adequate clearance shall be kept between the access probe and hazardous parts.
The tests are specified in clause 12.CEI IEC 60529 pdf download.

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