IEC 60721-2-2:2012
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Classification of environmental conditions - Part 2-2: Environmental conditions appearing in nature - Precipitation and wind
Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users
English - French
13-12-2012
25-10-2024
FOREWORD
1 Scope
2 Normative references
3 Terms and definitions
4 General
5 Characteristics
6 Classification
Bibliography
IEC 60721-2-2:2012 presents fundamental properties, quantities for characterization, and a classification of environmental conditions dependent on precipitation and wind relevant for electrotechnical products. This second edition cancels and replaces the first edition, published in 1988, and constitutes a technical revision. The main changes with regard to the previous edition are as follows:
- subclause Precipitation: simplified;
- data not possible to validate are removed;
- subclause Wind: text rewritten;
- Table 1 simplified and aligned with definition used by [1];
- subclause Hail: data added;
- formula changed;
- formula for impact energy added;
- subclause Snow: text changed and aligned with definitions used by [1];
- Table 3 removed;
- subclause Normal rain: text has been modified and numeric values removed;
- subclause Driving rain: text has been modified and numeric values removed;
- subclause Formation of ice: text has been modified and numeric values removed;
- subclause Drifting snow: text added;
- subclause Wind force: formula changed;
- Figure 1 to 5 removed.
| Committee |
TC 104
|
| DevelopmentNote |
Stability date: 2020. (12/2012)
|
| DocumentType |
Standard
|
| Pages |
24
|
| PublisherName |
International Electrotechnical Committee
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| Standards | Relationship |
| NF EN 60721-2-2 : 2013 | Identical |
| NEN EN IEC 60721-2-2 : 2013 | Identical |
| PN EN 60721-2-2 : 2014 | Identical |
| DIN EN 60721-2-2:2016-04 | Identical |
| VDE 0468-721-2-2:2016-04 | Identical |
| BIS IS 13736-2-2 : 2018 | Identical |
| BS EN 60721-2-2:2013 | Identical |
| CEI EN 60721-2-2 : 2014 | Identical |
| EN 60721-2-2:2013 | Identical |
| DS EN 60721-2-2 : 2013 | Identical |
| PN 91/E-04555.22 : 1991 | Identical |
| CEI 75-4 : 1997 | Identical |
| BIS IS 13736-2-2 : 1993(R2015) | Identical |
| UNE-EN 60721-2-2:2013 | Identical |
| JIS C 60721-2-2:1996 | Identical |
| NEN 10721-2-2 : 1989 | Identical |
| DIN IEC 60721-2-2:1992-05 | Identical |
| NFC 20 000 : 90 AMD 1 93 | Identical |
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