I.S. EN 60137:2017现行
Insulated Bushings for Alternating Voltages Above 1000 v
出版：National Standards Authority of Ireland
专家解读视频
Describes electrical apparatus, machinery, transformers, switchgear and installations for three-phase alternating current systems, having highest voltage for equipment above 1000 V and power frequencies of 15 Hz up to and including 60 Hz.
EN 60137:2017 - Identical
DIN EN 60137:2018 - Identical
NF EN 60137:2017 - Identical
NBN EN 60137 : 2010 - Identical
UNE EN 60137 : 2011 - Identical
EN 60137 : 2017 - Identical
IEC 60137 : 7.0 - Identical
BS EN 60137 : 2008 - Identical
SN EN 60137 : 2003 - Identical
EN 60137 : 2017 - Identical
