For detailed information, you may need to obtain a copy of the IEC 60099-5 standard. The IEC website (https://www.iec.ch/) offers the possibility to purchase standards in PDF format or to subscribe to their database. Some national standards bodies also provide access to IEC standards, including translations.
The IEC 60099-5 standard, titled "Surge arresters - Part 5: Selection and application recommendations," provides guidelines for the selection and application of surge arresters for electrical power systems. This part of the IEC 60099 series focuses on the practical aspects of surge arrester application, ensuring that they are properly chosen and installed to protect electrical equipment from overvoltages. iec 600995 pdf link
It's crucial to consult the latest version of the standard for the most current and comprehensive information on surge arrester selection and application. For detailed information, you may need to obtain