Defines environmental parameters and a limited number of their severities within the range of conditions met by electrotechnical products when being transported, stored, installed and used.
IEC 60721-1:2002 history
2002IEC 60721-1:2002 Classification of environmental conditions - Part 1: Environmental parameters and their severities
2002IEC 60721-1:1990/AMD2:1995 Classification of environmental conditions - Part 1: Environmental parameters and their severities
1992IEC 60721-1:1990/AMD1:1992 Classification of environmental conditions; part 1: environmental parameters and their severities; amendment 1
1990IEC 60721-1/AMD1:1990 Classification of environmental conditions; part 1: environmental parameters and their severities; amendment 1
1990IEC 60721-1:1990 Classification of environmental conditions; part 1: environmental parameters and their severities
1970IEC 60721-1:1981 Classification of environmental conditions - Part 1: Classification of environmental parameters and their severities