
Classification of environmental conditions - Part 3-3: Classification of groups of environmental parameters and their severities - Stationary use at weatherprotected locations (Endorsed by Asociación Espa?ola de Normalización in September of 2019.)
出版:Asociacion Espanola de Normalizacion

專家解讀視頻
This part of IEC 60721 classifies groups of environmental parameters and their severities to which products are subjected when installed for stationary use at weather protected locations.
IEC 60721-3-3:2019 - Identical
EN IEC 60721-3-3:2019 - Identical
IEC 60721-3-3 : 2019 - Identical
IEC 60721-3-3 : 2019 - Identical
EN IEC 60721-3-3:2019 - Identical