IS/IEC 60079 : Part 11 : 2011 Explosive Atmospheres - Part 11 Equipment Protection by Intrinsic Safety “i”

ICS 29.260.20 ETD 22

Revised Standard from Last Update.

Note : (Superseding IS/IEC 60079-11 : 2006 and IS/IEC 61241-11 : 2005)

NATIONAL FOREWORD

This Indian Standard (Part 11) (First Revision) which is identical with IEC 60079-11 : 2011 ‘Explosive atmospheres — Part 11: Equipment protection by intrinsic safety “i” ’ issued by the International Electrotechnical Commission (IEC) was adopted by the Bureau of Indian Standards on the recommendation of the Electrical Apparatus for Explosive Atmospheres Sectional Committee and approval of the Electrotechnical Division Council.