IEC 60721-3-0:1984 Classification of environmental conditions: Part 3: Classification of groups of environmental parameters and their severities. Introduction
The given classification includes natural conditions as well as artificial conditions. Specifies classes which include extreme (short term) conditions. Gives several groups of classes (designated by a digit, a letter, and a second digit) for different ap
IEC 60721-3-0:1984 history
2020IEC 60721-3-0:2020 Classification of environmental conditions - Part 3-0: Classification of groups of environmental parameters and their severities - Introduction
2002IEC 60721-3-0:2002 Classification of environmental conditions - Part 3: Classification of groups of environmental parameters and their severities; Introduction
1987IEC 60721-3-0:1984/AMD1:1987 Amendment 1 - Classification of environmental conditions. Part 3: Classification of groups of environmental parameters and their severities. Introduction
1985IEC 60721-3-0:1984/COR1:1985 Classification of environmental conditions: Part 3: Classification of groups of environmental parameters and their severities. Introduction; Corrigendum 1
1984IEC 60721-3-0:1984 Classification of environmental conditions: Part 3: Classification of groups of environmental parameters and their severities. Introduction