Type 7P.25 surge arresters, SPD Type 2 (4 varistors), for three-phase applications, with TN-S with Neutral, varistor protection L1, L2, L3, N-PE, replaceable varistor modules.
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