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Molded Case Circuit Breakers - MCCBs

ComPact molded case circuit breakers (MCCBs) protect cables sized for 100A to 3200 A. Their highest breaking capacities allow them to protect also smaller cables, when connected close to a powerful energy source. As one pillar of digitally connected power distributions (EcoStruxure Power), ComPact breakers take part in energy consumption and asset management optimization. Benefit from 65 years of technological leadership, and rely on proven quality, opted for even in most demanding environments.

  • Optimize your electrical distribution design

    Explore the benefits of low-voltage (LV) selectivity, cascading and coordination for your electrical distribution design in our complimentary technical guide covering MasterPact MTZ air circuit breakers, ComPact NSX & NSXm molded case circuit breakers, Acti 9 miniature circuit breakers and more.
  • ComPact NSX & NSXm

    Built on 60 years of innovative and reliable protection, our world-class ComPact NSX & NSXm molded-case circuit breakers up to 630A now feature integrated earth leakage protection.
  • Discover PowerPact B

    Offering robust protection and new features in an optimized size, PowerPact™ B circuit breakers up to 125A will change the way you work.
  • Electrical fire protection

    Across the globe, electrical fires cause significant damage to buildings of all sizes. These are just some of our solutions for electrical fire prevention. Explore the risk areas, discover protection tips and view our other solutions to help you design, build and install.

EcoStruxure™ for Your Business

EcoStruxure lets you thrive in today's digital world. Make better business decisions with scalable and converged IT/OT solutions.

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