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IEC 61857-1 Ed. 2.0 b:2004

M00000221

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IEC 61857-1 Ed. 2.0 b:2004 [ Withdrawn ] Electrical insulation systems - Procedures for thermal evaluation - Part 1: General requirements - Low-voltage

standard by International Electrotechnical Commission, 11/10/2004

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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 basic 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 second edition cancels and replaces the first edition published in 1998, and constitutes a technical revision to make this basic standard compatible with parts 21 and 22.

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Edition: 2.0 Published: 11/10/2004 Number of Pages: 33 File Size: 1 file , 650 KB