ABB OVRT2 Surge Protective Device Installation and Operating Instructions

This document provides installation, safety, and operating instructions for the ABB OVRT2 series surge protective devices (SPDs), including models for various voltage configurations (120V to 690V) and system types (single-phase, split-phase, 3-phase delta, wye). It covers technical specifications, wiring requirements, thermal protection disconnection behavior, and priority settings for overcurrent protection (F1/F2 fuses).