ABB OVRT2 Series Surge Protective Device Installation Instructions

This document provides installation, safety, and wiring instructions for the ABB OVRT2 series surge protective devices (SPDs), covering single-phase, split-phase, and three-phase configurations (Wye and Delta) with various voltage ratings (120V to 690V) and surge current capacities (150, 320, 440, 550, 660). It includes model number breakdowns, connection diagrams, torque specifications, auxiliary contact details, and mandatory fuse requirements based on service current.