OVR T1-T2 Surge Protective Device Specifications

This document provides technical specifications and model listings for the OVR T1-T2 series of surge protective devices, covering Type 1+2 (Class I+II) configurations with various pole arrangements (3L, 4L, 3N, N) and nominal discharge current ratings (15, 20, 25 kA). It includes electrical parameters such as voltage ratings (230/400V ±20%), leakage current limits, and safety instructions regarding cartridge operation and module replacement, referencing standards IEC 61643-11 and GB/T 18802.11.