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Type 7P.45 surge arresters, SPD Type 2 for three-phase TN-S systems with neutral.
Varistor protection + GDT L1, L2, L3-PE and between N-PE
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