Delivering innovation and reliable protection for the past 60 years, ComPact NSX molded case circuit breakers – as well as the brand new, smaller ComPact NSXm range – now feature integrated earth leakage protection.
Discover two new innovations in the ComPact range
Integrated earth leakage protection
ComPact NSX molded case circuit breakers up to 630A feature integrated earth leakage protection, so now you can save time and work more efficiently.
Smallest size in the range
ComPact NSXm molded case circuit breakers and switch connectors, the newcomer to the ComPact family, are delivering innovation in a smaller design, up to 160A.
Learn more about ComPact NSXm
Delivering efficiency, reliability and connectivity
Make the switch and experience easier mounting, installing and cabling. Available in three standard frame sizes thanks to the addition of ComPact NSXm, ComPact NSX molded case circuit breakers feature integrated earth leakage protection and standardized accessories – which means you save space, time and effort!
Experience peace of mind with molded case circuit breakers optimized in size and featuring innovations tailored to your needs. Roto-active™ breaking technology, helps to increase operation lifespan. You can depend on the ComPact range, even in the most stressful of environments.
Local and remote communication with trip alarm and pre-alarms enable increased proactive operational and energy efficiency. Designed to work within the EcoStruxure™ Power architecture, it delivers corrective, preventative and predictive maintenance as well as power management solutions.
Optimize your electrical distribution design
Get more insights on low voltage selectivity, cascading and coordination tables including the new MasterPact MTZ air circuit breakers, ComPact NSX & NSXm molded case circuit breakers, Acti 9 miniature circuit breakers and more in our complimentary technical guide.
Connect to EcoStruxure Power
The ComPact NSX range is designed to connect to EcoStruxure Power, an IoT-connected architecture that is designed to improve every aspect of your power distribution system. Take complete control with real-time data and smart analytics for predictive maintenance.
Learn more about EcoStruxure Power
Electrical fire protection begins with prevention
Across the globe, electrical fires cause significant damage to buildings of all sizes. Compact NSX MCCBs are just one 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.
Learn more about electrical fire prevention
Go green with ComPact NSX
Our Green Premium ecolabel brings complete environmental information to everyone, from homeowners, building managers, and architects, to our distributors and partners.
Learn more about our Green Premium products
Discover more technical information
ComPact NSX is a full range of high performance molded case circuit breakers designed to meet your needs from thermal-magnetic to advanced MicroLogic trip units. Explore the additional features, benefits and technical information.
Explore the ComPact NSX & NSXm catalog
View the latest ComPact NSX and NSXm catalog to discover our comprehensive, optimized range of circuit breakers and switch disconnectors.
View the catalog
View all the ComPact products