Historical
IEC 60721-3-3 Ed. 2.2 b:2002
Classification of environmental conditions - Part 3-3: Classification of groups of environmental parameters and their severities - Stationary use at weatherprotected locations
Classifies groups of environmental parameters and their severities to which products are subjected when mounted for stationary use at weatherprotected locations.
Content Provider
International Electrotechnical Commission [iec]