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ComPact NSX

Circuit-breakers, to protect lines up to 630A

Part of Pact Series

ComPact NSX is a full range of high performance molded case circuit breakers (MCCB) in 2 frame sizes designed to meet your needs from thermal-magnetic to advanced MicroLogic trip units. This range features integrated earth leakage protection.

Compact NSX molded case circuit breakers (MCCB) 250 H 4P with Micrologic Vigi 7.2 E
  • Features

    The Compact NSX combines intelligent metering and monitoring with impeccable protective functions. 
    Features include:

    • Nominal current: 16 to 630 A 
    • Seven breaking capacities from 25 to 200 kA at 415 V 
    • The highest breaking capacity : 100kA at 690V
    • Voltage rating: up to 690 V
    • Two physical sizes from 16 to 630 A 
    • 1, 2, 3 and 4 pole versions available
    • Isolation with positive break indication 
    • Large range of electronic and thermal-magnetic protections
    • Interchangeable trip-units to upgrade your panel with smarter functions
    • Measure of main electrical values: I, U, P, E, THD, f, CosPhi 
    • Earth leakage protection by associated Vigi Module 
    • Wide range of common auxiliaries and accessories interchangeable on site 
    • Plug and play wiring system and communicating accessories
    • Compliance with international standards: IEC 60947-1 and 2, IEC 68230 for type 2 tropicalisation, CCC, EAC and other local certifications
    • Compliance with specifications of marine classification companies: Bureau Veritas, Lloyd’s Register of Shipping, Det Norske Veritas and RINA.


    Easy and efficient
    Optimize safety
    • Highly resistant to environmental stresses
    • Roto-active breaking technology helps to reduce early aging effects and increase operation lifespan
    Measure and Communicate
    • 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
    Working with communication devices, the ComPact NSX inside our Smart Panels becomes an EcoStruxure connected product within our EcoStruxure Power architecture.

    Click to watch the video and discover more about ComPact NSX & NSXm molded case circuit breakers.



    An excellent choice for all standard and specific applications, including:

    • Standard applications: industries, buildings, infrastructures
    • Specific applications demanding high performance: marine, oil and gas extraction and processing, mining operations, metals and minerals production, and data centers
    • Source-changeover systems (Transferpact): service sector (hospital operating rooms, computer rooms, ), industry (assembly lines, ship engine rooms, etc.), infrastructures (runway, railway, etc.) 

    Ensures compliance with international standards (Find on Compact NSX certificate downloads):

    • IEC/EN 60947-1 and 2, IEC 60068-2-30 for type 2 tropicalisation, CCC, EAC and other local certifications
    • Compliance with specifications of marine classification companies: Bureau Veritas, Lloyd’s Register of Shipping, DetNorske Veritas and RINA


    • Compact NSX molded case circuit breaker (MCCB) 570-630 3P F/36kA with Micrologic 4.3 Vigi 570A
    • Compact NSX molded case circuit breaker (MCCB) 250B - Micrologic 5.2A
    • Compact NSX & NSXm molded case circuit breakers (MCCB)
    • Installation of Compact NSX with integrated earth leakage protection (ELCB)
    • Compact NSX & NSXm molded case circuit circuit breakers (MCCB) in a smart panel
    • Remote Operated source changeover system ComPact NSX
    • Compact NSX molded case circuit breakers (MCCB) 250 H 4P with Micrologic Vigi 7.2 E
    • Real-time notification from earth leakage circuit breaker (ELCB)

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