IEC 62808:2015+A1:2018规定了用于确保冗余安全系统电路或安全电路和低级电路之间的电气独立性的隔离装置的设计、分析和鉴定要求，如IEC 60709中所述。本标准包括确定适用于隔离设备的最大可信故障的指南。最大可信故障可用作基于其他标准（例如IEC TS 61000-6-5或IEC 62003）的测试中使用的测试级别的基础。该合并版本由第一版（2015年）及其修正案1（2018年）组成。因此，除本出版物外，无需下令修订。

IEC 62808:2015+A1:2018 establishes requirements for the design, analysis and qualification of isolation devices used to ensure electrical independence of redundant safety system circuits, or between safety and lower class circuits, as specified in IEC 60709. This standard includes guidance on the determination of the maximum credible fault that is applied to the isolation devices. The maximum credible fault can be used as a basis for the test levels used in testing based on other standards (e.g. IEC TS 61000-6-5 or IEC 62003). This consolidated version consists of the first edition (2015) and its amendment 1 (2018). Therefore, no need to order amendment in addition to this publication.