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About This Item
Full Description
This document defines surge arresters to protect the insulator assembly from lightning-caused over-voltages only. Therefore, and since metal-oxide resistors are not permanently connected to the line, the following items are not considered for this document:
- switching impulse spark-over voltage;
- residual voltage at steep current and switching current impulse;
- thermal stability;
- long-duration current impulse withstand duty;
- power-frequency voltage versus time characteristics of an arrester;
- disconnector test;
- aging duties by power-frequency voltage.
Designs with the EGLA's external series gap installed in parallel to an insulator are not covered by this document.
Cross References:
ISO 4892-1
EN ISO 4287
EN 62217 (IEC 62217:2012) AS
IEC 60068-2-11:1981
IEC 60060-1:2010
EN 60099-4:2004
IEC 62217:2012
EN 60060-1 (IEC 60060-1:2010) AS
EN 60507 (IEC 60507:2013) AS
EN 60270 (IEC 60270:2000 Adopted)
IEC 60068-2-14:2009
IEC 60507:2013
EN 60068-2-14 (IEC 60068-2-14:2009) AS
IEC TS 60815-1:2008
IEC 60270:2000
IEC 60060-2:2010
EN 60060-2 (IEC 60060-2:2010) AS
EN 60068-2-11 (IEC 60068-2-11 Adopted)
IEC 60099-4:2014
EN ISO 4892-3
EN ISO 4892-2
ISO 4892-2
EN ISO 4892-1
ISO 4892-3
ISO 4287
EN ISO 3274
IEEE C62.11
ISO 3274
All current amendments available at time of purchase are included with the purchase of this document.
Document History
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BS EN IEC 60099-8:2018
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Surge arresters-Metal-oxide surge arresters with external series gap (EGLA) for overhead transmission and distribution lines of a.c. systems above 1 kV- Most Recent
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BS EN 60099-8:2011
Surge arresters-Metal-oxide surge arresters with external series gap (EGLA) for overhead transmission and distribution lines of a.c. systems above 1 kV- Historical Version
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BS 09/30167595 DC
BS EN 60099-8. Surge arresters. Part 8. Metal-oxide surge arresters with external series gap (EGLA) for overhead transmission and distribution lines of A.C. systems above 1 kV- Historical Version