OVR T1 3N 25-255 TS General Information Extended Product Type:OVR T1 3N 25-255 TS Product ID:2CTB815101R0700 EAN:3660308510983 Catalog Description:OVR T1 3N 25-255 TS Surge Protective Device Long Description:Surge protective devices SPD type 1 protect low-voltage consumer systems against lightning currents and surge voltages as they are tested as SPD type 1 according to IEC 61643-11. The devices are compatible with the System pro M compact series. The SPD with "TS" are optionally equipped with a auxiliary contact.