The ABB SACE E2.2S‑A 1600 A 3‑pole Air Circuit Breaker is a low‑voltage industrial protective device from the ABB SACE Emax 2 E2.2 frame series. It is designed to protect three‑phase electrical power distribution systems against overloads, short circuits, instantaneous faults, and ground faults when fitted with the appropriate electronic trip unit. This breaker is typically used as a main distribution breaker or feeder protection device in switchgear and electrical panels in commercial and industrial installations. This specific variant is a fixed installation with rear horizontal connections (FHR).
