The IEC 62262 standard published by the International Electrotechnical Commission (IEC) describes the classification of the degrees of protection provided by enclosures against external mechanical impacts when the rated voltage of the protected equipment is not greater than 72,5 kVolts. The full name of this standard is: IEC 62262 Degrees of protection provided by electrical equipment enclosures against external mechanical impacts (IK code). This standard only applies to equipment enclosures where the specific standard specifies the degree of protection of the enclosure against mechanical impact.
In addition to the IP protection category (the rating system used to measure the resistance of mechanical or electrical devices against water, dust or external impacts) considered in the enclosures, the appropriate IK coding in the IEC 62262 standard is also considered important. This standard specifies the classification of the impact resistance of a housing, ie the external effect of the mechanical stress level on the housing. The containment must be of high quality, especially in environments where the risk of damage is expected. Both stable and sensitive points on the enclosure can be tested. IK code is met to a greater or lesser extent depending on the test.
The IEC 62262 standard describes how to perform impact protection tests on enclosures. It is used to determine the protection provided for protection equipment against external stresses (damage or impact of impact/energy on the enclosure). The protected equipment must not exceed the rated voltage of 72,5 kV. IK codes are expressed from low to high on a scale of 00 to 10. IK-00 means that there is no protection at all.
Briefly, the IEC 62262 standard defines a system for classifying the degrees of protection provided by electrical equipment enclosures against external mechanical impacts.
In the IEC 62262 standard, the impact test specifications for the 10 IK code are determined as follows:
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