Overvoltage protection (surge arrester) - Schneider Electric

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Choose the bestsurge protectionSchneider Electric – Surge Protection – 03/2010 6
A means of protection for every situationNo LPS*Type 2 surge arresterWith LPS*Types 1 and 2 surge arresterType ofsurgearresterDistance ofthe loads 30m**T2T3T3T3T3T1 +T2T3T3: only used inaddition to aT2 (as lowerdischargecapacity), if theloads are morethan 30m from theincoming T2 surgearresterTypes 2 and 3 surge arresterTypes 2, 1 and 3 surge arrester* LPS (Lightning Protection System) = lightning rod, meshed cage on buildings)** After 30m (between the surge arrester and the loads) lightning wave reflection phenomena appearin the cables.Schneider Electric – Surge Protection – 03/2010 7
Page 1: Overvoltage protection(surge arrest
Page 4 and 5: Lightning and its consequences●Th
Page 8 and 9: In practice: distance of equipments
Page 10 and 11: Install surge arresterSchneider Ele
Page 12 and 13: Lifetime of the surge arrester●Th
Page 14 and 15: Choose the best upstreamprotection
Page 16 and 17: Example of Schneider Electric coord
Page 18 and 19: Installation rulesThe surge arreste
Page 20 and 21: In practice: consider the intermedi
Page 22 and 23: Installation in a plastic enclosure
Page 24: ELECTRICAL DISTRIBUTION PROTECTIONP

Overvoltage protection (surge arrester) - Schneider Electric

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