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)
|
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
|
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 |
|