IS/IEC 519 : PART 3 : 1988 : Safety in Electroheat Installations - Part 3 : Particular Requirements for Induction and Conduction Heating and Induction Melting Installations (Supersdeding IS 9080 (Part 3))

NATIONAL FOREWORD

This Indian Standard which is identical to IEC Pub 519-3 ( 1988 ) ‘Safety in electroheat installations - Part 3 : Particular requirements for induction and conduction heating and induction melting installations’ was adopted by Bureau of Indian Standards on the recommendations of the Industrial Electroheat Equipment Sectional Committee, ET 17, and approval of the Electrotechnical Division Council.

While taking up the revision of IS 9080 ( Part 3 ) : 1979 Safety requirements in electroheat installations : Part 3 Particular requirements for mains and medium frequency induction furnace installations’, the Sectional Committee decided to align the standard with the corresponding IEC 519-3 ( 1988).This standard supersedesIS 9080 ( Part 3 ) : 1979.

The text of IEC Standard has been approved as suitable for publication as Indian Standard without deviations.

In this standard, certain terminology and conventions are not identical with those used in Indian Standards. Attention is specially drawn to the following :

a) Wherever the words‘lnternational Standard’appear, referring to this standard, they should be read as ‘Indian Standard’.

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.