CEI EN 61857-21:1999
Superseded
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Electrical insulation systems - Procedures for assessing resistance to thermal stressPart 21: Specific requirements for the general design - Application to windings
Published date
01-11-1999
Publisher
Superseded date
06-10-2025
Superseded by
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This standard contains a general test procedure for evaluating the thermal stress resistance of windings.
| Committee |
CT 15/112
|
| DocumentType |
Standard
|
| PublisherName |
Comitato Elettrotecnico Italiano
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| IEC 61857-21:1998 | Identical |
| EN 61857-21:2004 | Identical |
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