
Railway Applications - Fixed Installations - Electric Traction - Specific Requirements For Composite Insulators Used For Overhead Contact Line Systems
出版:Comitato Elettrotecnico Italiano

专家解读视频
2016 AMD 1 2017 [01/05/2017]1ED 2016 [01/12/2016]
Classificazione CEI 9-177. Supersedes CEI EN 50151 which remains current and will be withdrawn on 21-12-2018. (01/2017)
EN 62621 : 2016 AMD 1 2016 - Identical
IEC 62621 : 1.0 - Identical
EN 62621:2016 - Identical