
Classification of environmental conditions. Part 3: Classification of groups of environmental parameters and their severities. Introduction
出版:International Electrotechnical Committee

专家解读视频
Establishes classes of environmental parameters and their severities, covering the extreme (short-term) conditions to which a product may be subjected when being transported, installed, stored and used. Separate groups of classes are given for different product applications.
BS EN 60721-3-0:1993 - Identical