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PowerPact M-Frame Molded Case Circuit Breakers

A flexible, high-performance offer, certified to global standards from 300 to 800 A

Part of Pact Series

The PowerPact M-frame, P-frame, and R-frame circuit breakers are designed to protect electrical systems from damage caused by overloads and short circuits.

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PowerPact M-Frame Molded Case Circuit Breakers
  • Features

    PowerPact® M-frame Molded Case Circuit Breakers use an electronic trip system with the simplicity of a thermal magnetic breaker to signal the circuit breaker to open automatically to help protect electrical systems from damage caused by overloads and short circuits.


    • Available in 2-3 pole design
    • Available from 300-800 A at up to 600 Vac
    • Interrupting ratings (AIR) include G-35 kA, J-65 kA at 480Vac
    • Available in standard (80%) rating only
    • Common mounting holes, handle locations and trim dimensions across the range allow design standardization using PowerPact M- and P-frame circuit breakers
    • Common accessories across the range of PowerPact Molded Case Circuit Breakers allow users to make late specification changes
    • A wide range of field-installable accessories allows customers to reduce inventory without sacrificing flexibility
    • Broad offering of operating mechanisms and ratings specifically designed to be used as the main panel disconnect for control panel applications
    • Available in Unit-mount and I-line constructions
    • UL 489 Listed, CSA, NMX, IEC certified for world wide applications



    Commercial Buildings
    Oil & Gas
    Industrial Buildings
    Water Wastewater
    Healthcare Facilities
    Data Centers
    Educational Campuses
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