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Compact NSX <630A

100 to 630 A moulded-case circuit breakers

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 <630A
  • 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.


    • Simply the safest and most reliable protection
    • Improving maintenance effectiveness and optimizing power supply dependability
    • Contributing to energy efficiency
    • Improving project and panel-building effectiveness
    • Suitable for all new specific applications
    • Respectful to the planet


    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:
    • 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 250 in plug-in version
    • Compact NSX connected to FDM 121 display
    • Compact NSX panel installation

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