M-PACT to Emax 2 Retrofit Kit Installation Guide

This document provides instructions for a retrofit kit designed to replace obsolete M-PACT (Env1 & Env2) open/air circuit breakers (400A to 4000A) with Emax 2 circuit breakers (frames E2.2 and E4.2) in withdrawable versions. It includes safety procedures, compatibility tables, derating notes for different terminal types, and confirms that the kit preserves auxiliary circuits and original switchgear design data without modification.