Covers gapless metal-oxide arresters, internally gapped designs (≤ 52 kV), and Externally Gapped Line Arresters (EGLA) . Selection Checklist
Before diving deeper, it's important to confirm the standard you need, as "iec 600995" appears to be a combination of two different standards.
Unfortunately, I couldn't find a direct link to the IEC 60099-5 PDF. However, you can try searching for the standard on the official IEC website or other online platforms that provide access to technical standards. iec 600995 pdf link
The document addresses several distinct configurations of modern overvoltage protection equipment:
Units with series or parallel spark gaps under 52 kV. However, you can try searching for the standard
The complete IEC 60099-5:2018 is available on the IEC Webstore .
If you’re a student or employee at a large organization, check: If you’re a student or employee at a
Using the guidance within the standard, engineers must balance multiple interrelated design thresholds to ensure the protection scheme functions without suffering thermal runaway.
IEC 60099-5 is a core part of the larger IEC 60099 series dedicated to overvoltage protection devices. Unlike Part 4 (which dictates manufacturing and testing procedures for gapless metal-oxide surge arresters), Part 5 is entirely . It acts as a bridge between the physical capabilities of a surge arrester and the real-world operational stress factors of a power network.
This is the most direct and authoritative source.
The webstore offers the standard in a secure PDF format. As of the latest data, the pricing is generally structured as follows: