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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. 

Digital NZM Moulded Case Circuit Breaker
100% compatible
with previous range
Class 1 energy metering
according to IEC 61557-12
Life-span indicator
enables predictive maintenance

Core features

  • 100% compatible to 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 ARMS Maintenance Mode and ZSI Zone-Selective-Interlocking
  • Enhanced performance with improved selectivity and 70 kA switching capacity
  • Improved handling using push-in terminals and more

Eaton’s next generation of NZM circuit protection devices combines connectivity and reduced installation costs 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 for flexible adaptation to customer requirements with different mounting and terminal connection options. Thanks to IEC and UL/CSA approvals, the devices are suitable for global use. With the new integrated energy measurement function, it is possible to implement energy management systems according to ISO 50001.

A compact solution for energy measurement in energy distribution systems

Space-saving installation thanks to the integrated functions, which eliminate the need for external measurement and communication devices. Thanks to the intelligent design, the design verification according to IEC 61439 is still valid. Zone selective interlocking (ZSI) ensures 100 % selectivity in the time-delayed range of the tripping characteristic.

The motor control centre (MCC) and the NZM circuit breaker are the perfect match

If used as part of a motor-starter combination, the digital NZM not only enables safe and reliable starting of the connected motor, but also delivers a wide range of application data. In addition to status and energy data, the circuit breaker also provides information for preventive maintenance. The ARMS maintenance mode offers additional protection for systems and personnel in the event of maintenance work.

Ideally suited for photovoltaic systems

With the switch-disconnectors up to 1,600 A, implementing applications such as main switches, emergency switching-off buttons and coupler switches is quick and simple. This makes the new NZM circuit breakers suitable for use in diverse environments, for example in photovoltaic systems and other renewable energy applications up to 1,500 V DC.

Designed and tested for mining applications

The wide range of possible applications covers every need. The new NZM circuit breakers can handle loads with rated currents up to 1,600 A and are suitable for use even in the toughest environments, for example in mining applications up to 1,000 V AC.

Suitable for industries with high energy density

Eaton took a close look at what our customers want and designed the product accordingly. The new digital NZM circuit breakers were designed for power-intensive applications with high switching capacities at 690 V AC, including wind power and marine installations as well as data centres.

    

Introducing our new digital NZM circuit breaker

How to buy from Eaton
Contact us

Phone +40 21 361 0909