The ABB SACE Emax E6.2H 4000A is a high‑performance low‑voltage air circuit breaker designed for industrial and commercial power distribution applications. It belongs to the Emax2 series of low‑voltage power circuit breakers, offering robust protection, high interrupting capacity and flexible configuration options. The E6.2 frame is one of the largest in the Emax family, capable of handling high currents and demanding duty cycles.