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ABB OVR T1-T2 Surge Protective Device Installation Instructions

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This document provides multilingual installation and safety instructions for the ABB OVR T1-T2 series surge protective devices (SPDs), including models such as the 4L 100-255 P TS and 1L 25-255 C. It covers technical specifications, wiring diagrams, mounting procedures, fuse selection tables, and compliance with standards like IEC 61643-11 and UL 1449.

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