EN 61857-21:2004

Name: EN 61857-21:2004
Brand: CENELEC
SKU: EN 61857-21:2004
Price: 31.61 EUR
Availability: InStock
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Electrical insulation systems - Procedures for thermal evaluation - Part 21: Specific requirements for general-purpose models - Wire-wound applications

Publication date: Nov 14, 2006

General information

Current stage: 99.60 Withdrawal effective Jun 1, 2012

Originator: CENELEC

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

Type: European Norm

ICS: 29.080.30 Insulation systems

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Status: Withdrawn

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Languages: English

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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WITHDRAWN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WITHDRAWN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WITHDRAWN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