: Adds new informative annexes (H, I, and J) regarding class transition calculations, switching surge estimations, and guidance on replacing older SiC arresters.
: Updates classification to focus on thermal energy and repetitive charge transfer, replacing older line discharge classes. iec 600995 pdf upd
For those needing the specific document, it is available from authorized distributors like the IEC Webstore or ANSI Webstore , often offered as a that highlights all technical changes from the previous edition. IEC 60099-5:2018 Guide to IEC 60099-5: Surge Arresters – Selection
