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IEC 61857-1 Ed. 3.0 b:2008

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IEC 61857-1 Ed. 3.0 b:2008 Electrical insulation systems - Procedures for thermal evaluation - Part 1: General requirements - Low-voltage

standard by International Electrotechnical Commission, 09/26/2008

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IEC 61857-1:2008 specifies a general test procedure for the thermal evaluation and qualification of electrical insulation systems (EIS) and establishes a procedure that compares the performance of a candidate EIS to that of a reference EIS. This standard is applicable to existing or proposed EIS used in electrotechnical products with an input voltage of up to 1 000 V where the thermal factor is the dominating ageing factor. This third edition cancels and replaces the second edition published in 2004, and constitutes editorial revisions to make this standard compatible with Parts 21 and 22.

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Edition: 3.0 Published: 09/26/2008 Number of Pages: 32 File Size: 1 file , 940 KB