OVR T1 Surge Protective Device Technical Specifications

This document specifies technical parameters and installation requirements for OVR T1 series surge protective devices (SPDs), including Type 1+2 / Class I+II models with ratings of 15/20/25 kA and 230/400V ±10% voltage. It details critical safety conditions such as the D1+D2≤50cm distance rule, cartridge color-change indicator for module replacement, and compliance with IEC 61643-11 / GB/T 18802.11 standards.