International Electrotechnical Commission

Publication detail

Reference	IEC 61857-21 ed3.0 withdrawn corrigendum	> preview
Title	Electrical insulation systems - Procedures for thermal evaluation - Part 21: Specific requirements for general-purpose models - Wire-wound applications
Publication date	2009-05-13
Format, price (Swiss francs) and language	70.- 32 pages 70.- 1054 Kb
Abstract	IEC 61857-21:2009 describes a general-purpose model (GPM) and a tall channel alternative model (GPM-TC) which can be used for the evaluation of wire-wound electrical insulation systems (EIS) where specific electrotechnical products are not available or required. The third edition cancels and replaces the second edition published in 2004, and constitutes editorial revisions to make this standard compatible with Parts 1 and 22.
Technical Committee	112 - Evaluation and qualification of electrical insulating materials and systems
ICS Codes	29.080.30 Insulation systems
Replaced by
Stability date	2017
Work in progress	Project Stage code Forecast publication date No project under development - -

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