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I.S. EN 61858:2008

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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 - THERMAL EVALUATION OF MODIFICATIONS TO AN ESTABLISHED WIRE-WOUND EIS

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-2008

Superseded date

30-06-2014

Superseded by

I.S. EN 61858-1:2014

$141.28
Including GST where applicable
Summarise this standard

For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.

Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 General considerations
5 Evaluation of the change of thickness of an EIM
   5.1 Samples
   5.2 Acceptance
6 Substitution of winding wire
   6.1 General
   6.2 Substitution of enamel
   6.3 Substitution of conductor material
   6.4 Alternate winding wire
7 Substitution of impregnating resin/varnish
   7.1 Thermal class determination
   7.2 Evaluation
        7.2.1 Thermal classes equal or better
        7.2.2 One thermal class lower
        7.2.3 Other criteria
8 Substitution with other EIM
   8.1 Technically equivalent materials
   8.2 Previous evaluation
   8.3 Other
9 Evaluation of additions
   9.1 Addition of an impregnating resin/varnish
   9.2 Addition of other components
10 Single-point thermal ageing test
   10.1 Test objects
   10.2 Establishing the EIS relative thermal endurance
        index (EIS RTE)
   10.3 Interpretation of results
Annex A (normative) Classes of winding wire
Annex B (normative) Compatibility test procedure
Annex ZA (normative) Normative references to
         international publications with their corresponding
         European publications
Bibliography

Lists the required test procedures for qualification of modifications of an established electrical insulation system (EIS) with respect to its thermal classification.

DocumentType
Standard
Pages
50
PublisherName
National Standards Authority of Ireland
Status
Superseded
SupersededBy

Standards Relationship
DIN EN 61858 : 2009 Identical
IEC 61858:2008 Identical
EN 61858:2008 Identical
NF EN 61858 : 2009 Identical
NBN EN 61858 : 2009 Identical
BS EN 61858:2008 Identical
IEC 61858:2008 Equivalent
UNE-EN 61858:2009 Identical

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A newer version of this standard is available.

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$141.28
Including GST where applicable