IEC 62262 Degrees of Protection Provided by Electrical Equipment Enclosures Against External Mechanical Impacts (IK Code)

The IEC 62262 standard published by the International Electrotechnical Commission (IEC) defines the way in which the degrees of protection provided by enclosures are classified against external mechanical impacts when the rated voltage of the protected equipment is not greater than 72,5 kV. This standard is only applicable to equipment enclosures where a standard specifies the degree of protection of the enclosure against mechanical impact. This standard replaces the European standard EN 50102 Degrees of protection (IK code) provided by electrical equipment enclosures against external mechanical influences.

The IEC 62262 standard includes a system for classifying the degrees of protection provided by electrical equipment enclosures against external mechanical impacts. This system is suitable for use with most types of electrical equipment. However, not all listed protection degrees apply to a given type of equipment . To determine the available protection degrees and the specific equipment parts to which a given protection degree applies, the manufacturer of the equipment should be contacted.

Adoption of this classification system wherever possible ensures uniformity in the methods of describing the protection afforded by the enclosure and in testing to prove the various degrees of protection. In addition, the number of tester types required to test a wide range of products is thus reduced.

In this standard, general test requirements are described under the following headings:

• Atmospheric conditions for tests
• Enclosures being tested
• Features to be provided in a specific product standard

Briefly, the objectives of this standard can be listed as follows:

• Descriptions of the degrees of protection provided by enclosures of electrical equipment for the protection of equipment inside the enclosure against the harmful effects of mechanical shocks.
• Definitions of degrees of protection
• Requirements for each assignment
• Tests to verify that the enclosure meets the requirements of this standard

This standard also applies to empty enclosures provided that the general test requirements are met and the degree of protection selected is appropriate for the equipment type.

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