IEC 62613-1:20 19(E)适用于具有 -具有先导触点的三相和接地， -一极用于中性。 这些附件的额定电流不超过500 A，额定工作电压不超过12 kV 50/60 Hz。 第二版取消并取代了2011年出版的第一版。本版构成技术修订版。 与上一版相比，此版本包括以下重大技术变更: a)将范围扩展到无限数量的试点联系人（以前限于3个）； b)更新图并删除其嵌入文本； c)只要图中需要，插入键表。

IEC 62613-1:2019(E) applies to accessories with
- three phases and earth with pilot contacts,
- one pole for neutral.
These accessories have rated currents not exceeding 500 A and rated operating voltages not exceeding 12 kV 50/60 Hz.
This second edition cancels and replaces the first edition published in 2011. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
a) extension of the scope to an unlimited number of pilot contacts (previously limited to 3);
b) update of the Figures and deletion of their embedded texts;
c) insertion of tables of keys whenever required by the Figures.