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Megamax F3-F5 to Emax 2 Fixed Circuit-Breaker Retrofitting Instructions

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This document provides instructions for replacing obsolete fixed Megamax F3-F4-F5 circuit-breakers with modern fixed Emax 2 units of the same size, without modifying the switchgear's live parts. It includes safety procedures, electrical characteristic matching conditions, and references to auxiliary circuit wiring diagrams and dimensional specifications.

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