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PowerPact B-Frame Molded Case Circuit Breakers

A flexible, high-performance circuit breaker, certified to global standards from 15 to 125 A

Part of Pact Series

PowerPact B circuit breakers – efficiency that clicks.

PowerPact B-Frame Molded Case Circuit Breakers
  • Features

    PowerPact B-Frame Molded Case Circuit Breakers delivers unmatched design flexibility from 15 to 125A, and gives you the right combination of features and performance to satisfy circuit breaker requirements. PowerPact B offers the benefits of a flexible, modular, and easy-to-install circuit breaker.

    PowerPact B brings thermal magnetic circuit protection in a compact size and offers a wide range of accessories, auxiliaries, and lug options:

    • Available in 1, 2, 3, and 4-pole unit mount construction; and 1, 2, and 3-pole I-Line construction
    • Economical fixed thermal magnetic trip units from 15-125A up to 600Y/347 Vac and 250 Vdc
    • Interrupting ratings include D-18 kA, G-35 kA, and J-65 kA at 480 Vac; D-10 kA, G-20 kA, and J-50 kA Vdc*
    • Unit mount construction includes integrated DIN rail and traditional back pan mounting capability
    • Best in class I-Line mounting for Square D panelboard and switchboard applications
    • A wide range of field-installable accessories for more flexibility and less inventory
    • Modular, easy to install, terminal options include patented EverLink lugs with or without integrated control wire terminals, mechanical lugs, compression lugs, power distribution connectors, and busbar connectors
    • Broad offering of operating mechanisms designed to be used as the main panel disconnect for control panel applications
    • 2-3 pole automatic molded case switches available at 125A up to 600 Vac delta
    • UL, CSA, NOM, IEC, CCC certified and CE marked for global acceptance
    *1 Pole configurations available at 125 Vdc.

    More about PowerPact B


    Great things come in small packages. With 25% more capacity in less than two-thirds the size of legacy 100A circuit breakers, PowerPact B:

    • Saves time in electrical design, mounting, and wiring. With integrated DIN rail mounting and built-in control wire terminals, your work clicks right into place.
    • Tackles last minute changes. When they come up, be ready with one-click field installable accessories and the industry’s widest range of operating mechanisms.
    • Provides fast startup and fewer call-backs. EverLink lugs combat cable creep and deliver a durable, long-term connection.


    • Industrial Control Panels
    • Commercial OEM
    • Electrical Distribution Equipment
    • Commercial Buildings
    • Industrial Buildings



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