Lightning protection guide by OBO

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Last revision 2020

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

Strana 186 z 288

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3 kV Installation e.3 below provides an overview the zone transitions.5 kV OBO SPD protection level: 1.5 kV Installation e.g.g. Zone transition Protection device and device type Product example Product figure LPZ LPZ 1 SPD for lightning protection equipotential bonding ac- cording IEC 62305 for direct nearby lightning strikes. Devices: Type (class III), e. directly front the terminal ÜSM-A Item no.: 5096987 LPZ LPZ 2 SPD for equipotential bonding according IEC 60364 case surge voltages.: V20 Required surge voltage resistance: 1.: 5092451 Table 3.5 kV OBO SPD protection level: 1. also shows which OBO surge protection devices can installed the energy supply network and their respective function.g.3 kV Installation e.g.g.: ÜSM-A Required surge voltage resistance: 1.: 5095253 LPZ LPZ 3 Surge protection for surge protection the terminals. Table 3. For insulation coordination, the protection level the SPDs must less than equal the rated impulse voltage the electrical system according IEC 60364-5-53.3: SPDs zone transitions TBS Blitzschutz-Leitfaden 2018 / en / 2020/01/10 14:42:40 14:42:40 (LLExport_02613) / 2020/01/10 14:42:54 14:42:54 186 Chapter The internal lightning protection system .Choosing the right surge protection devices The classification surge protection devices into types means they can matched different require- ments with regard location, protection level and cur- rent-carrying capacity. the main distributor/at the entrance to the building MCF100- 3+NPE+FS Item no. Devices: Type (class I)/type 1+2 (class I+II), e. the sub-distributor/storey distributor V20 Item no. g. Devices: Type (class II), e.: MCF100-3+NPE+FS Required surge voltage resistance: kV OBO SPD protection level: 1