IEC 60721-2-2 Ed. 2.0 b:2012

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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.

Product Details

Edition:
2.0
Published:
12/13/2012
Number of Pages:
24
File Size:
1 file , 290 KB

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