IEC 60364-5-53:2019涉及隔离、开关和控制的一般要求，以及为实现此类功能而提供的设备的选择和安装要求。本第四版取消并取代了2001年出版的第三版、修正案1:20 02和修正案2:20 15。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）？修订除531和534以外的所有条款； b）？引入新的第537条监测； c）？第530条包含所有规范性参考文献以及所有术语和定义。

IEC 60364-5-53:2019 Deals with general requirements for isolation, switching and control and with the requirements for selection and erection of the devices provided to fulfil such functions. This fourth edition cancels and replaces the third edition published in 2001, Amendment 1:2002 and Amendment 2:2015. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
a)？revision of all clauses except 531 and 534;
b)？introduction of a new Clause 537 Monitoring;
c)？Clause 530 contains all normative references and all terms and definitions.