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Historical Revision

BSI BS EN 61857-21:2004

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

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

PUBLISH DATE 2004
PAGES 18
BSI BS EN 61857-21:2004
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.
SDO BSI: British Standards Institution
Document Number EN 61857-21
Publication Date Dec. 1, 2004
Language en - English
Page Count 18
Revision Level
Supercedes
Committee GEL/112
Publish Date Document Id Type View
Oct. 31, 2009 BS EN 61857-21:2009 Revision
Dec. 1, 2004 BS EN 61857-21:2004 Revision
April 15, 1999 BS EN 61857-21:1999 Revision