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PowerPact J-Frame Molded Case Circuit Breakers

A flexible, high-performance offer, certified to global standards for ratings from 70 to 250 A.

Part of Pact Series

The PowerPact H, J, and L-frame circuit breakers are designed to protect electrical systems from damage caused by overloads and short circuits. H and J-frame circuit breakers are available with either thermal-magnetic or Micrologic electronic trip units. L-frame circuit breakers are available with Micrologic electronic trip units only.

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PowerPact J-Frame Molded Case Circuit Breakers
  • Features

    • Rated current from 70 to 250 A
    • Breaking capacity from 18 to 65 kA at 480 Vac
    • 2 and 3-pole versions
    • Thermal-magnetic and electronic protection available
    • Common accessories and auxiliaries with other PowerPact frames
    • Switch-disconnector versions also available
    • Certifications: UL, CSA, CC

    > Explore PowerPact J-Frame breaker in 3D animation


    • Available in 2-3 pole design
    • Available from 150-250A at up to 600 Vac and 250 Vdc
    • Interrupting ratings (AIR) include D-18 kA, G-35 kA, J-65 kA and L-100 kA at 480 Vac and 20 kA at 250 Vdc. Read about our special J-frame DC breakers designed for 500 Vdc ungrounded UPS systems only.
    • Available in standard (80%) or 100% rating
    • Common mounting holes, handle locations and trim dimensions across the range allow design standardization for PowerPact H- and J-frame circuit breakers
    • Available with field-interchangeable trip units
    • 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:
    • Equipped with a unique snap-in terminal design that makes converting between busbar and lug options easy
    • Easy to install, extremely versatile, a wide variety of terminal options include mechanical lugs, crimp lugs, power distribution lugs, and lug shields
    • Available in Unit mount (lug-lug, rear, bus bar), I-line or Drawout constructions
    • 2-3 pole automatic molded case switches available at 175A, and 250A
    • UL 489 Listed, CSA, NEMA, NMX, VDE, BS, CCC, IEC certified and CE marked for global acceptance
    • Marine Ratings - Certified by Underwriters laboratories Inc. per UL 489 Supplement SA and the American Bureau of Shipping (ABS) per 2008 Steel Vessels Rules 1-1-4/7.7 and 4-8-3/5.3.3. This allows them to be installed and used aboard a boat or vessel in accordance with Appendix B, Ref. No. 19; ABS Type Approval for marine and offshore applications, the applicable publications of the American Boat and Yacht Council Inc.; and the regulations of the United States Coast Guard. The H-Frame has ratings from 15 to 150A, and the J-Frame from 150 to 250A. Both of these are available in 2-pole and 3-pole versions, have interruption ratings of D- (18 kA), G- (35 kA), J- (65 kA) and L- (100 kA) at 480Vac, and are available in unit-mount and I-Line models. The UL/ABS marine rated H- and J-Frame circuit breakers are identified by a –YA suffix added to their catalog number.


    • Worldwide availability with unique global part numbers
    • Flexible and simple offer, with proven performance
    • Direct access to energy metering and energy efficiency thanks to the Micrologic control units


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