• IEC 61857-21 Ed. 2.0 b:2004

IEC 61857-21 Ed. 2.0 b:2004

Electrical insulation systems - Procedures for thermal evaluation - Part 21: Specific requirements for general-purpose models - Wire-wound applications

International Electrotechnical Commission , 08/27/2004

Publisher: IEC

File Format: PDF

$33.00$66.00


Describes a general-purpose model (GPM) and a tall channel alternative model (GPM-TC) which can be used for the evaluation of wire-wound EIS where specific electrotechnical products are not available or required. This edition constitutes a technical revision by merging Part 23 into Part 21.

IEC 61857-21 Ed. 2.0 b:2004 History

IEC 61857-21 Ed. 3.0 b:2009
IEC 61857-21 Ed. 2.0 b:2004

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