The ABB SACE Tmax T5S 630A 3-pole molded case circuit breaker (MCCB) is a robust low-voltage protective device designed for industrial and commercial power distribution systems. It provides reliable protection against overloads, short circuits, and electrical faults in three-phase electrical circuits. The breaker integrates an electronic/solid-state trip unit that allows adjustable protection settings, ensuring flexibility for different load conditions. This MCCB is suitable as a main service disconnect, distribution feeder breaker, or equipment protection breaker in panels, switchboards, and machinery installations.