IEC 60949:1988
Calculation of thermally permissible short-circuit currents, taking into account non-adiabatic heating effects

Standard No.

IEC 60949:1988

Release Date

1988

Published By

International Electrotechnical Commission (IEC)

Status

Be replaced 2009-02

Replace By

IEC 60949:1988/AMD1:2008

Latest

IEC 60949:1988/AMD1:2008

Scope

Gives a simple method for incorporating the non-adiabatic effect due to heat transfer into the adjacent materials during the short-circuit when calculating short-circuit ratings so that the same short-circuit ratings are obtained by different designers.

IEC 60949:1988 history

• 2008 IEC 60949:1988/AMD1:2008 Calculation of thermally permissible short-circuit currents, taking into account non-adiabatic heating effects; Amendment 1
• 1988 IEC 60949:1988 Calculation of thermally permissible short-circuit currents, taking into account non-adiabatic heating effects