| Publication CODE |
Title |
| IEC 60721-3-4:2019 (2019-05) |
CLASSIFICATION OF ENVIRONMENTAL CONDITIONS - PART 3-4: CLASSIFICATION OF GROUPS OF ENVIRONMENTAL PARAMETERS AND THEIR SEVERITIES - STATIONARY USE AT NON-WEATHERPROTECTED LOCATIONS |
| |
| Price Excl. VAT |
Total number of pages, tables and drawings |
|
85.00 €
|
32. |
Description
IEC 60721-3-4:2019 classifies groups of environmental parameters and their severities to which products are subjected when installed for stationary use at non-weatherprotected locations. Weatherprotected locations where products can be mounted for stationary use permanently or temporarily are addressed in IEC 60721-3-3.
This third edition cancels and replaces the second edition published in 1995 and Amendment 1:1996. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
a) Clause 1: reworded.
b) Clause 2: normative references have been updated.
c) Clause 3: definitions have been updated.
d) Clause 4: reworded and simplified.
e) Clause 5: revised and updated. Several classes have been replaced by completely new classes based on the use of new information obtained from referenced technical reports.
f) Defined values of chemically active substances are now by reference to ISO 9223.
g) Tables 1 through 5: updated.
|
| 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 |
2019-05-22 |
| ICS-Code (International Standards Classification) |
19.040
|
| NBN Status |
New |
|
| IEC publication date |
2019-05-22 |
| IEC stability date |
2027-12-31 |
| IEC file modification date |
2019-05-22 |
| IEC last modification date |
2019-08-21 |
|
