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7P Series
Type 7P.43 - surge arrester (SPD)
Function and features
Type 7P.43 surge arrester, SPD Type 2 for three-phase TN-C systems without Neutral (PEN conductor). Varistor protection + GDT L1, L2, L3 PEN. Replaceable modules. Signaling with remote contact of the varistor status.
Features include:
- Suitable for AC systems/applications for protection against induced and switching overvoltages
- To be installed on the border between zones LPZ 1 and LPZ 2
- Combination of high-performance varistors and gas spark gaps (GDT) which ensure: – high discharge currents – high insulation resistance which eliminates the leakage current – absence of subsequent follow-on current
- Extremely low residual voltage
- Visual indicator of the varistor status – functional/to be replaced
- Signaling with remote contact of the varistor status. Connector (07P.01) included in the package
- Replaceable modules
- Compliant with EN 61643-11: 2012
- 35 mm rail (EN 60715) mounting, 17.5 mm per pole
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