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IEC 61251:2015 pdf download

IEC 61251:2015 pdf download

IEC 61251:2015 describes many of the factors involved in voltage endurance tests on electrical insulating materials and systems. It describes the voltage endurance graph, lists test methods illustrating their limitations and gives guidance for evaluating the sinusoidal a.c.voltage endurance of insulating materials and systems from the results of the tests. This International Standard is applicable

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