Megamax to Emax Circuit Breaker Retrofitting Kit Instructions

This document provides instructions for replacing obsolete Megamax F1 and F2 air circuit breakers (1250A to 2000A) with modern Emax circuit breakers of the same size using a retrofitting kit, ensuring electrical characteristics match when selection follows ABB technical catalogues. It includes safety procedures, insertion/extraction operations, and warnings that the kit preserves auxiliary circuits and panel board design without modifications, while noting that for higher-rated new breakers, the kit is certified for the old device's performance.