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Publication details

Publication CODE Title
IEC 61858:1999 (1999-09) ELECTRICAL INSULATION SYSTEMS - THERMAL EVALUATION OF MODIFICATIONS TO AN ESTABLISHED WIRE-WOUND EIS
 
Price Excl. VAT Total number of pages, tables and drawings
42.00 € 23.
Description
Lists the required test procedures for qualification of modifications of an established electrical insulation system (EIS) with respect to its thermal classification. Applicable to EIS used in wire-wound electrotechnical devices with input voltage up to 1000 V. The test procedures are comparative in that the performance of a candidate EIS is compared to that of a reference EIS, which has proven service experience in accordance with IEC 60791 or has been evaluated by one of the procedures given in IEC 61857 series.
Class  C990  (IEC PUBLICATIONS IEC PUBLICATIONS)
Available files
EN/FR version

Status
Status IEC PUBLICATION
Situation Withdrawn
Replaced by  IEC 61858:2004
Origin
Committee TC 112
Evaluation and qualification of electrical insulating materials and systems
Responsible Monsieur DE LEEUW Thierry, Technical Officer
Diamant Building Bd Auguste Reyers, 80
1030  BRUXELLES
Phone: +32 2 706 85 72
E-mail: thierry.deleeuw@ceb-bec.be
Approval
BEC Approval 1999-09-30
ICS-Code (International Standards Classification) 35.040
NBN Status New
IEC publication date 1999-09-30
IEC last modification date 2004-11-10