
Classification of environmental conditions Part 3: Classification of groups of environmental parameters and their severities - Section 3: Stationary use at weatherprotected locations
出版:International Electrotechnical Committee

專家解讀視頻
Classifies groups of environmental parameters and their severities to which products are subjected when mounted for stationary use at weatherprotected locations.
BS EN 60721-3-3:1995 - Identical