ArcShield MVMCC Arc Resistant Rating Application Guidelines

This document provides guidelines for maintaining the arc resistant rating when close coupling third-party arc resistant equipment with Rockwell Automation ArcShield Medium Voltage Motor Control Centers (MVMCCs). It outlines responsibilities, minimum requirements for bus bar connections, and specifications for arc gas plenum coupling to ensure the combined system meets IEEE C37.20.7 Type 2 or Type 2B accessibility ratings.