ACB (Air Circuit Breaker) retrofitting is the process of upgrading old or obsolete breakers with modern components to enhance performance, safety, and reliability without replacing the entire panel. This cost-effective solution involves installing new protection relays, control systems, or even replacing the breaker mechanism while retaining the original switchgear housing. Retrofitting improves fault detection, reduces downtime, and ensures compliance with updated safety standards. It also extends the operational life of electrical systems, minimizing the need for full replacements. ACB retrofitting is ideal for industrial and commercial facilities looking to modernize their electrical infrastructure with minimal disruption and optimized investment.