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Masterpact NT/NW UL 489 listed

High current air circuit breakers 800 to 5000 A

800 to 5000 A high current circuit-breakers

Masterpact NT/NW UL 489 listed
  • Features

    Masterpact NT
    • nominal current:800 to 1200 A
    • breaking performance : 50 and 65kA at 480 V AC
    • voltage rating:up to 600 V
    • one single physical size from 800 to 1200 A
    • a single pole pitch of 70 mm
    Masterpact NW
    • nominal current:800 à 5000 A
    • breaking performance 50 to 100 kA at 480V AC
    • two physical sizes from 800 to 5000 A
    • a single pole pitch of 115 mm
    Masterpact NT/NW
    • 3 Micrologic control units enriched by measurement, energy management and network analysis functions
    • ground fault protection built into electronic protection
    • wide range of common auxiliaries and accessories interchangeable on site
    • compliance with international Standards UL489/CSA


    The reliability of a major brand
    • Aiming at standardising electrical switchboards at a time when installations are increasingly complex, Masterpact NT/NW range provides an unequalled simplicity, both concerning choice and installation
    • The Masterpact NT/NW range is characterised by its optimize dimensions. Not only are volumes reduced but even more :
      . Masterpact NT:one single and optimum size, from 800 to 1200 A
      . Masterpact NW:two sizes are sufficient to cover needs from 800 to 5000 A


    • Protection, measurement and communication of LV electrical networks.

    Specially adapted to the OEM market