LN 800 to XT7 Circuit Breaker Retrofitting Kit Manual

This document provides instructions for replacing obsolete LN 800 circuit breakers with modern XT7 circuit breakers of the same size using a retrofitting kit, without modifying the switchgear's live parts. It includes safety procedures, disassembly steps, and conditions for maintaining electrical characteristics, with content in multiple languages (English, Italian, German, French, Spanish).