PowerPacT H-Frame circuit breakers protect electrical systems from overloads and short circuits, featuring thermal magnetic or Micrologic electronic trip protection units, with a 25kA breaking capacity at 600VAC, and dual-break rotating contacts that reduce peak current during faults, while also having an integral push-to-trip button for manual tripping, available in various configurations including I-Line constructions, to comply with UL, CSA, NOM, and IEC standards.