Classification of environmental conditions - Part 3-2: Classification of groups of environmental parameters and their severities - Transportation and handling (IEC 60721-3-2:2018/COR2:2022); German version EN IEC 60721-3-2:2018/AC:2022-07
Edition 2023-04

Classification of environmental conditions - Part 3-3: Classification of groups of environmental parameters and their severities - Stationary use at weatherprotected locations (IEC 60721-3-3:2019); German version EN IEC 60721-3-3:2019
Edition 2020-05

Classification of environmental conditions - Part 3-4: Classification of groups of environmental parameters and their severities - Stationary use at non-weatherprotected locations (IEC 60721-3-4:2019); German version EN IEC 60721-3-4:2019
Edition 2020-05

Classification of environmental conditions - Part 3: Classification of groups of environmental parameters and their severities; Section 5: Ground vehicle installations (IEC 60721-3-5:1997); German version EN 60721-3-5:1997
Edition 1998-06

Classification of environmental conditions; part 3: classification of groups of environmental parameters and their severities; ship environment (IEC 60721-3-6:1987 + A1:1991); German version EN 60721-3-6:1993
Edition 1994-06

Classification of environmental conditions - Part 3: classification of groups of environmental parameters and their severities; section 6: Ship environment; Amendment A2 (IEC 60721-3-6:1987/A2:1996); German version EN 60721-3-6:1993/A2:1997
Edition 1997-07

Classification of environmental conditions - Part 3: Classification of groups of environmental parameters and their severities - Section 7: Portable and non-stationary use (IEC 60721-3-7:1995); German version EN 60721-3-7:1995
Edition 1995-09

Classification of environmental conditions - Part 3: Classification of groups of environmental parameters and their severities; section 7: Portable and non-stationary use; Amendment A1 (IEC 60721-3-7:1995/A1:1996); German version EN 60721-3-7:1995/A1:1997
Edition 1997-07

Classification of environmental conditions - Part 3: Classification of groups of environmental parameters and their severities - Section 9: Microclimates inside products (IEC 104/1006/CDV:2023); German and English version prEN IEC 60721-3-9:2023
Edition 2024-03

Classification of environmental conditions - Part 3: Classification of groups of environmental parameters and their severities; section 9: Microclimates inside products (IEC 60721-3-9:1993); German version EN 60721-3-9:1993
Edition 1995-01