| Publication CODE |
Title |
| IEC 60721-3-9:2024 (2024-04) |
CLASSIFICATION OF ENVIRONMENTAL CONDITIONS - PART 3-9: CLASSIFICATION OF GROUPS OF ENVIRONMENTAL PARAMETERS AND THEIR SEVERITIES - MICROCLIMATES INSIDE PRODUCTS |
| |
| Price Excl. VAT |
Total number of pages, tables and drawings |
|
122.00 €
|
34. |
Description
IEC 60721-3-9:2024 classifies groups of microclimatic conditions, to which components (basic parts, assemblies, built-in units) can be subjected inside products, which are used under the climatic conditions as classified in IEC 60721-3-3 and IEC 60721-3-4.
This second edition cancels and replaces the first edition published in 1993, Amendment 1:1994 and Corrigendum 1:1995. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
a) Clause 2 has been updated;
b) Clause 4 has been re-edited and simplified;
c) Annex A has been revised and updated;
d) a new Annex B has been added and gives the origin of the constitutional diagram for humid air, which is the basis of drawing the climatogram for a microclimate.
|
| Class |
C990
(IEC PUBLICATIONS IEC PUBLICATIONS)
|
| Committee |
TC 104
ENVIRONMENTAL CONDITIONS, CLASSIFICATION AND METHODS OF TEST (replace COM 50-50A-50B and 75) (see 70+104 !)
|
| Responsible |
Monsieur DE LEEUW Thierry, Technical Officer
Diamant Building
Bd Auguste Reyers, 80
1030
BRUXELLES
Phone: +32 2 706 85 72
E-mail: thierry.deleeuw@ceb-bec.be
|
| BEC Approval |
2024-04-11 |
| ICS-Code (International Standards Classification) |
19.040
|
| NBN Status |
New |
|
| IEC publication date |
2024-04-11 |
| IEC stability date |
2028-12-31 |
| IEC file modification date |
2024-04-11 |
| IEC last modification date |
2024-04-11 |
|
