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EN 61857-21:2004

Electrical insulation systems - Procedures for thermal evaluation - Part 21: Specific requirements for general-purpose models - Wire-wound applications EN 61857-21:2004

Publication date:   Nov 14, 2006

General information

99.60 Withdrawal effective   Jun 1, 2012

CENELEC

CLC/SR 112 Evaluation and qualification of electrical insulating materials and systems (to be defined)

European Norm

29.080.30   Insulation systems

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Scope

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.

Life cycle

PREVIOUSLY

WITHDRAWN
EN 61857-21:1999

WITHDRAWN
EN 61857-23:2002

NOW

WITHDRAWN
EN 61857-21:2004
99.60 Withdrawal effective
Jun 1, 2012

REVISED BY

PUBLISHED
EN 61857-21:2009