The Eaton A1X3PK Three-Phase Molded Case Circuit Breaker (Cutler Hammer) is a United States–made protective device designed for three-phase electrical systems. It provides molded-case protection to interrupt faults in three-phase circuits, helping prevent equipment damage and minimize downtime in electrical panels. This model is part of Eaton’s molded-case breaker family and is suitable for use in commercial and industrial panels that require reliable three-phase circuit protection.
