Lightning protection guide by OBO

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Last revision 2020

Vydal: OBO BETTERMANN s. r. o. Autor: OBO BETTERMANN

Strana 122 z 288

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36 18.50 12.57 42.00 m 2 11. the specified separation distance exceeded, then addi- tional conductors must installed.3 the connection point of the isCon® conductor: the length (l) between the con- nection point the isCon® conductor the next level of the lightning protection equipotential bonding (e.45 air Length for ≤ 0.61 51.41 34.75 air Length for ≤ 0. Source: Table 12 IEC 62305-3.09 m III+IV 100 kA 1 11.31 25.05 28.75 22.73 m 3 and more 17.05 28.g.52 14.90 air I 200 kA 1 11.20 17.05 m 3 and more 12.50 15.41 34.25 18. Note The values the table apply all type earthers and those type earthers which the earth resist- ance the neighbouring earther electrodes does not differ more than factor the earther resist- ance individual electrodes deviates more than a factor should assumed.14 m Table 2. Basic Pro Pro+ Premium LPD lightning protection class Max. lightning current peak value Number of conductors Length for ≤ 0.50 m 2 17.78 21.57 m II 150 kA 1 7.25 m 2 8.09 m 3 and more 25. earthing system equipotential level) must meas- ured. must checked whether the calculated sep- aration distance (s) less than the specified equival- ent separation distance the isCon® conductor.Test reports for the isCon® conductor Separation distance Calculation the separating distance according to IEC 62305-3 Section 6.25: Maximum length the isCon® conductors air TBS Blitzschutz-Leitfaden 2018 / en / 2020/01/10 14:42:40 14:42:40 (LLExport_02613) / 2020/01/10 14:42:54 14:42:54 122 Chapter The external lightning protection system .94 22