The ABB SACE E1 800 A PR122/P‑LSI Air Circuit Breaker is a low‑voltage protective device from ABB’s Emax E1 series designed for industrial and commercial three‑phase power distribution applications. It integrates the PR122/P‑LSI electronic trip unit, which provides coordinated and adjustable protection against overloads, short‑time faults, instantaneous short circuits, and ground faults. This breaker is suitable for use as a main distribution breaker or feeder protection device in switchgear and power panels, offering reliable fault clearing and flexible coordination to match system requirements.
