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Masterpact NW

High current air circuit breakers from 800 to 6300 A

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Masterpact NW
  • Tính năng

    • Nominal current: 800 to 6300 A
    • Breaking performance: 42 to 150 kA at 220/415 V AC
    • Voltage rating: up to 1000 V
    • 2 physical sizes from 800 to 6300 A
    • 2 pole pitches of 115 and 230 mm
    • 3- and 4-pole versions
    • 5 types of Micrologic control units with added measurement, energy-management and network-analysis functions
    • Earth leakage protection built into the control unit
    • Wide range of common auxiliaries and accessories interchangeable on site
    • Compliance with international standards IEC 60947-1 and 2, IEC 68230 for type 2 tropicalization, UL489 and ANSI/UL1066
    • CCC and GOST certifications
    • Compliance with specifications of marine classification bodies: Bureau Veritas, Lloyd’s Register of Shipping, Det Norske Veritas, etc.
       


    Micrologic control unit specifications:

    • 4 levels of protection against overloads and short circuits: 2.0 (LI), 5.0(LSI), 6.0(LSIG), 7.0 (LSIV, built-in earth leakage protection)
    • 4 types of measurement: A (Ammeter), E (Energy), P (Power), and H (Harmonics)
    • Energy reduction maintenance setting (ERMS) function available for arc flash protection for Micrologic P and Micrologic H
    • Measurement accuracy: Class 0.5 for voltage, Class 1.5 for current, and Class 2 for active power and energy
    • Compatible with both Ethernet and Modbus SL protocol
    • Operating assistance to diagnose tripping cause and maintenance information

    Lợi ích

    The worldwide benchmark for high-current circuit-breakers
    The Masterpact NW circuit-breaker range features optimised dimensions: not only is it more compact, but even better two sizes are sufficient to cover requirements from 4000 to 6300 A.
    At a time when installations are becoming increasingly complex, Masterpact NW enables standardisation of electrical switchboards by providing unrivalled simplicity in terms of both choice and installation.

    Các ứng dụng

    General Applications

    • Protection, measurement and communication of LV electrical networks
    • Generator protection
    • Motor protection

    Special applications

    • DC networks
    • Protection of installations in highly corrosive industrial environments
    • Mines (special 1000V version of NW)
    • Navy
    • Earthing switch
    • High short-circuit current limiting (ultra-rapid Masterpact UR)