IEC 61858:2004
Electrical insulation systems - Thermal evaluation of modifications to an established wire-wound EIS

Standard No.

IEC 61858:2004

Release Date

2004

Published By

International Electrotechnical Commission (IEC)

Status

Be replaced 2014-03

Replace By

IEC 61858:2008

Latest

IEC 61858:2008

Scope

Lists the required test procedures for qualification of modifications of an established electrical insulation system (EIS) with respect to its thermal classification. This standard is applicable to EIS used in wire-wound electrotechnical devices. The tes

IEC 61858:2004 history

• 2008 IEC 61858:2008 Electrical insulation systems – Thermal evaluation of modifications to an established wire-wound EIS (Edition 3.0)
• 2004 IEC 61858:2004 Electrical insulation systems - Thermal evaluation of modifications to an established wire-wound EIS
• 1999 IEC 61858:1999 Electrical insulation systems - Thermal evaluation of modifications to an established wire-wound EIS