IEC 62262 Testing
IEC 62262 describes a system for classifying the degrees of protection provided by enclosures for electrical equipment against external mechanical impacts. This standard refers to 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 kV. This standard is only applicable to enclosures of equipment where the specific standard establishes degrees of protection of the enclosure against mechanical impacts.
According to the IEC 62262 standard, the test procedure is as follows:
During the test the enclosure shall be mounted on a rigid support, according to the manufacturer’s instructions for use. A support is considered to be sufficiently rigid if its displacement is less than or equal to 0,1 mm under the effect of an impact directly applied and whose energy corresponds to the degree of protection. Alternative mounting and support, suitable for the product, may be specified in the relevant product standard. 6.4 The number of impacts shall be five on each exposed face unless otherwise specified in the relevant product standard. The impacts shall be evenly distributed on the faces of the enclosure(s) under test. In no case shall more than three impacts be applied in the surroundings of the same point of the enclosure. The relevant product standard shall specify the points of application of impacts.
The standard includes a grid that correlates the impact energy with the IK code.
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