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ABB OVR T1-T2 Surge Protective Device Installation Instructions

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This document provides multilingual installation, safety, and technical specifications for the ABB OVR T1-T2 series surge protective devices (SPDs), including models for 3N, 1L, and N configurations. It covers mounting on 35 mm DIN rails, conductor sizing, torque values, grounding requirements, remote signaling, and compliance with standards such as IEC 61643-11 and UL 1449.

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