IEC 60099 PDF

IEC. First edition. Surge arresters –. Part 6: Surge arresters containing both series and parallel gapped structures –. Rated 52 kV and less. This part of International Standard IEC applies to surge protective devices designed for repeated operation to limit voltage surges on a.c. power circuits. This part of IEC applies to non-linear metal-oxide resistor type surge arresters without spark gaps designed to limit voltage surges on a.c. power circuits.

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EVS-EN IEC 60099-8:2018

The voltage withstand capability application on ungrounded systems is 1. The advantages ief polymer housed arresters — reduced size and weight, and enhanced safety — have been refined in this new generation of surge arresters: Full text browsing Price: Our most important products are low and medium voltage surge arresters and medium voltage insulators.

In the company, we are aware that such fairs represent the beginning of concluding new deals on foreign jec, which is also our main goal.

Under some special system conditions, such as transformer energization using certain types of connections and ferroresonance, higher voltages can be experienced by the arrester. This edition constitutes a technical revision.

NKI – tension insulators

After production, every MOV disk must pass a series of electrical tests designed to ensure the highest individual disk quality. The 60099 discharge capability test has been completely re-written and re-named to Test to verify the repetitive charge transfer rating, Qrs with lightning discharges to reflect changes introduced in IEC Ed.


The rating of an arrester is the maximum power frequency line-to-ground voltage at which the arrester is designed to pass the IEC operating duty test.

LV surge arresters They have IP67 protection which ensures reliable operation in all environments. Accessories for overhead networks We produce different patented accessories for MV power lines.

IEC Standard – Home

Learn more about cookies. The fair also presents an opportunity to deepen existing contacts. The second application criterion to be met is a condition established by the effectiveness of system grounding.

This website uses cookies to ensure you get the best experience on our website. The fair was held from 23 to 27 April PKI – post insulators They have an innovative insulating head 6099 integrated conductor clamping system.

Manufacturing our own MOV disks allows strict quality control over the manufacturing process from start to finish. NKI – tension insulators Our tension insulators have specified mechanical load 90 kN. The UltraSIL housed surge arrester incorporates the industry recognized superior polymeric material — silicone rubber. Considering the particular design concept and the special application on overhead transmission and distribution lines, some unique requirements and tests are introduced, such as 600099 verification test for coordination between insulator withstand and EGLA protective level, the follow current interrupting test, mechanical load tests, etc.

Check video at https: This document defines surge arresters to protect the insulator assembly from lightning-caused over-voltages ifc.


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To ensure that the arrester’s capabilities will not be exceeded, the resources of the Thomas A. A disconnector that has operated gives a visual indication of internal arrester damage and the need for arrester replacement.

Your shopping cart is empty. This edition includes the following significant technical changes with respect to the previous edition: Privacy Terms of Use Sitemap. Using Metal Oxide Varistors MOVs having excellent electrical properties, these arresters provide superior overvoltage protection for MV distribution systems.

Consider the permissible magnitude and duration of these overvoltages including the full time of system back-up protectionwith appropriate allowances for any recent arrester discharge energies. Consult with your Cooper representative to have your individual system application needs studied. In addition, long term environmental testing has verified the lifetime superiority of UltraSIL silicone rubber when compared to other polymeric insulating materials.

Surge arresters – Part 8: UltraSIL silicone rubber lec not support biological growth algae and mildew and is non-flammable. We are particularly pleased by the visit of this fair because we carried out some business talks with potential customers with whom we met at the Hanover Messe fair in previous years.