PowerPacT R-Frame circuit breakers provide protection for electrical systems against overloads and short circuits, featuring either fixed electronic trip units or interchangeable Micrologic trip units with maximum flexibility options available through field interchangeability and standardization with a 5.0 trip unit and LSI function, also featuring integral push-to-trip buttons, I-Line terminations on the line side, and mechanical lugs on the load side, while meeting standards such as UL, CSA, NOM, and IEC, and being CE marked for rated capacities of up to 1200A.