Type 7P.24 surge arresters, SPD Type 2 (3 varistors + 1 gas spark gap), for three-phase applications, with TT and TN-S with Neutral, varistor protection L1, L2, L3 + N-PE gas spark gap, replaceable varistor. Replaceable modules, available with remote contact for signaling the status of the varistor.
Features include:
- Suitable for 230 V/400 V systems/applications for protection against induced and switching overvoltages
- To be installed on the border between zones LPZ 1 and LPZ 2
- 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 (depending on the version)
- Replaceable varistor and spark gap modules
- Compliant with EN 61643-11: 2012
- 35 mm rail (EN 60715) mounting