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Circuit breakers

Digital NZM Moulded Case Circuit Breaker

The new globally available digital NZM Series fits perfectly into modern energy distribution systems. The circuit breakers are suitable for universal use - from small distribution boards to machine controls and motor-starter combinations all the way to large power distribution systems. Due to its connectivity and enhanced features it's ready for Industry 4.0 applications. 

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100% compatible
with former range
Energy metering Class 1
according IEC 61557-12
Life-span indicator
enables predictive maintenance

Core features

  • 100% compatible with existing systems - same footprint, performance is equal or better
  • IoT ready with integrated communication capability and Class 1 energy metering
  • Integrated life-cycle Management provides predictive maintenance information
  • Safety above standard using Arc Flash Reduction Maintenance System™ and ZSI Zone-Selective-Interlocking
  • Enhanced performance with improved selectivity and new additional switching capacity variants (70 kA)
  • Improved handling using push-in terminals and more

Eaton’s new NZM Circuit Protection Generation provides Connectivity and reduced installation costs combined with integrated Safety technology.

    

Designed for use in machinery applications

Create a safe working environment with the NZM circuit-breaker. The extensive range of accessories allows flexible adaptation to customer requirements, e.g. mounting location and terminal connection. Thanks to IEC and UL/CSA approvals, there is no restriction to worldwide application. With the new integrated energy measurement it is possible to implement energy management according to ISO 50001.

Compact solution for energy measurement in energy distribution

Space-saving installation thanks to the integrated energy measurement and communication interface makes external measurement and communication solutions obsolete. Thanks to the intelligent design, the design verification according to IEC 61439 is still valid. The Zone Selective Interlocking feature (ZSI) ensures selectivity in the time-delayed range of the tripping characteristic to 100 %.

Motor Control Center (MCC) and circuit-breaker NZM are a perfect match

As part of a motor starter combination, the digital NZM not only enables a safe and reliable start of the connected motor, but also provides a wide range of application data. In addition to status and energy data, it also provides information for preventive maintenance of the circuit breaker. The Arc Flash Reduction Maintenance System™ offers additional protection for systems and personnel in the event of maintenance work.

Ideally suited for photovoltaic systems

With the switch-disconnectors up to 1600 A, implementing applications such as main switches, emergency power-off switches and coupler switches is quick and simple. This makes the new NZM circuit breakers suitable for use in various environments such as renewable energy, e.g. photovoltaics, with up to 1500 VDC.

Predictive maintenance for Critical Infrastructure

Avoid a blackout of the system due to an unexpected end of life of a circuit breaker. With the predictive maintenance feature, the digital NZM can tell you about maintenance and replacement needs to schedule system maintenance accordingly and increase system uptime.

Suitable for high energy density industries

Eaton took a close look at what customers really want and designed the product accordingly. The new digital NZM circuit breakers were designed for power-intensive applications with high switching capacities at 690 VAC such as wind power industry and data centers.

    

Introduction of the new digital circuit breaker NZM

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  • Eaton - Story Dörken GmbH and Co. KG - An assured and highly reliable power supply at extremly limited space
    (PDF 324 KB , 17/08/2021)
  • Eaton - Story Dörken GmbH and Co. KG - An assured and highly reliable power supply at extremly limited space
    (PDF 324 KB , 17/08/2021)
  • Eaton - Meurer Group - Eaton offers comprehensive support for MOEMs and panel builders on issues relating to exports to North America, such as project consulting and/our training seminars
    (PDF 377 KB , 17/08/2021)
  • Eaton - Feerum S.A. - The seamless connection and communication system garantuees a highly reliable system
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Software & Firmware

xSpider

The xSpider software system is a graphically oriented design system for dimensioning of low-voltage networks fitted with Eaton brand circuit protection equipment.
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To make it as easy as possible for you to plan and design an xEnergy system, we offer you the proven xEnergy Configurator as a free planning tool.
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