IS 9402 : 2024/IEC 60549 : 2013 High-Voltage Fuses for the External Protection of Shunt Capacitors
NATIONAL FOREWORD
This Indian Standard (First Revision) which is identical to 60549 : 2013 'High-voltage fuses for the external protection of shunt capacitors' issued by the International Electrotechnical Commission (IEC) was adopted by the Bureau of Indian Standards on the recommendation of the Fuses Sectional Committee and approval of the Electrotechnical Division Council.
This standard was first published in 1980, was based on IEC Pub 549 : 1976. This revision has been undertaken to align it with the latest version of IEC.
The text of the IEC standard has been approved as suitable for publication as an Indian Standard without deviations. Certain conventions are, however, not identical to those used in Indian Standards. Attention is particularly drawn to the following:
a) Wherever the words 'International Standard' appears referring to this standard, they should be read as 'Indian Standard'; and
b) Comma (,) has been used as a decimal marker, while in Indian Standards the current practice is to use a point (.) as the decimal marker.