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Circuit breakers

Power Defense molded case circuit breaker

The Power Defense molded case circuit breaker portfolio is globally rated in a small footprint for easy adaptability no matter the application or project requirement.  A circuit breaker with communicating electronic trip units and the ability to generate the data to help you optimize your facilities' performance, and to help keep your employees, customers and end-users safe by reducing the risk of arcflash events.

Predict and stop power failures before they happen

The latest circuit breaker technology, which is built into Power Defense MCCBs, delivers predictive diagnostics that help you better uncover, diagnose and stop power outages before they happen.

Take a look at the pre-recorded webinar or download the whitepaper to learn how you can better leverage the power of intelligent systems.

Smart power system - life is easier

Power Defense circuit breakers in action

See Power Defense circuit breakers in action and learn how to monitor system faults, diagnose power quality issues, and measure reliability with breaker health.

Learn about all the advanced features!

Core features of the Power Defense molded case circuit breaker

  • Globally accepted platform in a number of industry standards including UL®, CSA,IEC, and CCC.
  • Power Xpert release (PXR) trip units offer features such as breaker health, multiple load alarms and ground fault alarms to help avoid costly downtime through predictive diagnostics.
  • Arcflash Reduction Maintenance System helps to reduce arc flash incident energy levels, thereby reducing PPE requirements and minimizing risk while improving personnel safety and productivity.
  • The PXR trip units provide an intuitive user interface that allows you to easily view and adjust breaker settings and system performance.
  • Embedded communications and metering help to reduce cost by eliminating the need for separate communication components and associated wiring.
  • Field installable components and trip units minimize the amount of inventory required while also allowing flexibility for our customers to upgrade circuit breakers in the field.
Protected
Arc flash reduction and ground fault protection
Connected
Built-in communications
Global
IEC / CCC / UL / CSA

UL certified for use with A2L refrigerants

Ensure safety and efficiency in HVAC/R systems with our UL LZGH2/8-certified components.

Defending what you have built

Explore the features and functionalities of Eaton's globally rated molded case circuit breaker platform. 

You will be able to:

  • Protect your creations with built-in networking and predictive algorithms
  • Use accessories to customize to your application
  • Setup the trip unit via USB
  • Access the breaker with cloud communication
  • Enjoy comprehensive fault protection
  • And more

Power Defense offerings that can meet your needs

  • Direct current breakers
  • Photovoltaic breakers
  • Motor circuit protectors
  • Marine and navy certified
  • Special calibrations
  • NFPA 70B compliance

Power Defense and arc flash safety

Eaton Power Defense circuit breakers provide superior safety during an arc flash event. See how much faster the event can be mitigated.

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Unmatched protection

Provides incremental levels of safety to your employees, customers, and end-users though arc flash reduction, zone selective interlocking, and high-load alarms. Power Defense also follows a cybersecurity assessment process to ensure your data and system is protected.

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Advanced communications

A foundation for IoT, with embedded communications and metering functionalities allowing fewer overall components in your power distribution panel, which means lower cost and a smaller footprint.

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Accepted everywhere

Globally rated, available and an accepted platform in a number of industry standards including IEC, CCC, UL, and CSA, allowing you to stock fewer products.

Specifications

Easily and accurately configure your breakers

Use our 3D drawing tool to more easily and accurately select, spec and configure the ideal Eaton circuit breaker for your project..

3D Breaker

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