, published in . This standard provides essential recommendations for the selection and application of surge arresters in three-phase systems with nominal voltages exceeding 1 kV. Key Updates in Edition 3.0 (2018)
: There is an ongoing joint task force effort to harmonize IEC and IEEE standards for separable and dead-front arresters as of early 2026. Go to product viewer dialog for this item. IEC 60099-5 Ed. 3.0 b:2018
You can find the official publication and technical previews through these providers: Official Purchase : The full document is available for purchase on the IEC Webstore Technical Previews : You can view a sample or preview of the standard on iTeh Standards to verify the table of contents and scope before buying. IEC Webstore test procedures outlined in this update? IEC 60099-5:2018 iec 600995 pdf upd
: Including those with series and parallel gapped structures (rated 52 kV and less) from IEC 60099-6.
The primary driver for the update was the shift from "line discharge classes" to a more precise system based on . , published in
: Now explicitly covers gapless metal-oxide arresters, gapped designs (≤ 52 kV), and externally gapped line arresters (EGLA) as defined in IEC 60099-8. Procurement and Document Status
The guide provides step-by-step procedures for ensuring that the arrester's protective level is compatible with the insulation withstand of the connected equipment. Where to Access the PDF Go to product viewer dialog for this item
For regional specific variations (such as the European EN harmonized version), you can download the PDF from official regional distributors such as the ANSI Webstore