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The objective of the heating test is to verify the evacuation capacity of the different materials comprising an electrical device during operation of an installation.

Test methods

The test method consists of subjecting the device to an overload defined by the rated current for a set period of time during which thermocouple sensors record the temperatures reached at different parts of the equipment.

The applied overload must be maintained for sufficient time for the temperature to reach a permanent level at the defined test points.