DIN EN 50181:2011-04
用于除液体变压器以外的设备的 1kV 以上至 52kV 以及 250 A 至 2.50kA 的插入式套管
Plug-in type bushings above 1 kV up to 52 kV and from 250 A to 2,50 kA for equipment other than liquid filled transformers; German version EN 50181:2010 / Note: DIN EN 50181 (1998-07) remains valid alongside this standard until 2013-07-01.