Isomax S3 to Tmax XT4 Retrofitting Kit Instructions

This document provides instructions for the retrofitting kit that replaces an Isomax S3 circuit breaker with a Tmax XT4 (Intel special execution). It covers assembly, safety procedures for making the system safe, and wiring of auxiliary circuits according to the conversion circuit diagram, but does not substitute the full installation manual for the new Tmax XT circuit-breaker.