The ComPact NSX molded case circuit breaker (MCCB) range is designed to optimize space and breaking capacity. The range comes in two frame sizes with a variety of optional functions and accessories. 

Specifications: 

• Flexible installation: any position; switchboard or wall-mounted
• Nominal current: 16 to 630 A
• 9 Breaking capacities for the 2 sizes of circuit breakers: 
  - up to 250 A: 25, 36, 50, 70, 100, 150, 200 kA at 415 V
  - up to 630 A: 36, 50, 70, 100, 150, 200 kA at 415 V
  - both size of circuit breakers with 75 & 100 kA at 690 V 
• 1, 2, 3 and 4 pole versions available
• Large range of electronic and thermal-magnetic protections
• Advanced trip unit with integrated power metering: I, U, P, E, THD, f, CosPhi 
• Interchangeable trip-units to upgrade your panel with smarter functions
• Plug and ready wiring system and communicating accessories
• Wealth of options for auxiliaries and accessories (field installable)
• Integrated earth leakage protection via MicroLogic Vigi (earth leakage circuit breaker - ELCB)

• Two standardized frame sizes for your convenience
• Save space, time and effort with integrated earth leakage protection (ELCB), in the molded case circuit breaker (MCCB) frame size
• Easy to swap trip units and standardized accessories over time
• Wide range of online and offline software tools that help to improve productivity at all stages of your project (Product Selector, EcoStruxure Power Design - Ecodial, EcoStruxure Power Build - Low Voltage, EcoStruxure Power Commission)

• Highly resistant to environmental stresses
• Roto-active breaking technology helps to reduce early aging effects and increase operation lifespan

• Local and remote communication with trip alarm (earth leakage, overload, short circuit) and pre- alarms (earth leakage) allowing you to proactively increase operational and energy efficiency
• Advanced MicroLogic trip unit can assist in providing corrective, preventative and predictive maintenance and energy management to identify potential savings