Core features

Eaton’s software helps simplify testing, serviceability and customization—yielding significant time and labor savings.
An enhanced user interface enables engineers to remotely view and adjust the trip unit settings.
The compact size of frame helps reduce non-revenue generating floor space.
Modular design and common accessories allow for easy panel and switchboard integration.
Globally accepted platform in a number of industry standards including UL®, CSA, IEC, and CCC.
Power Xpert Release trip units offer features such as Breaker Health, multiple Load Alarms, and Ground Fault Alarm to help avoid costly downtime through predictive and preventative maintenance.
Arc Flash 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 Power Xpert Release trip units provide an intuitive user interface that allows you to easily view and adjust breaker settings and system performance.
Integral 2-step stored energy mechanism with available motor operator allows users to effortlessly operate the breakers.
Available in fixed and drawout configurations with fully configurable cassettes.

Protected

Arc flash reduction

Connected

Built-in communications

Global

IEC / CCC / UL / CSA

Configure your product today with 3D drawings

Power Defense provides superior arc flash reduction

Take a look at demonstrations that show how Power Defense circuit breakers provide greater protection against arc flash incidents. This ARMS technology is used across all Power Defense circuit breakers with PXR trip units.

Simplify operations and reduce your maintenance.

Eaton’s Power Xpert Protection Manager provides a clean, intuitive user interface enabling unmatched control, testing, and troubleshooting. The software is free to download and can run on any PC.

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Specifications

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Application notes

Circuit breaker selective coordination tables - IA01200002E

Industry application paper describing circuit breaker selective coordination tables for low voltage breakers and low voltage distribution assemblies.

(PDF 517 KB , 01/25/2024)
Zone selective interlocking application paper

(PDF 2 MB , 04/11/2022)

Brochures

Arcflash Reduction Maintenance System

Explanation of Eaton's Arcflash Reduction Maintenance System

(PDF 175 KB , 02/06/2019)
Breaker comparison switchboards 700-2500 A - MZ012028EN

This is the breaker comparison document describing Eaton's breaker offering to help you select the right circuit breaker for your switchboard (Power Defense PD5 / PD6 / PD-NF / PD SB).

(PDF 172 KB , 05/30/2025)
Power Defense circuit breakers product guide

Brochure describing Power Defense low voltage circuit breakers offering.

(PDF 1 MB , 01/25/2024)
US Energy Codes Playbook - Digitalization for energy efficiency in U.S. commercial buildings

This document reviews methods for reducing energy costs and meeting code.

(PDF 2 MB , 01/25/2024)

Catalogs

Power breakers, contactors and fuses catalog

Volume 4, Tab 3 - This catalog describes application data, standards, certifications, product selection information, technical data and specifications for power breakers, contactors and fuses.

(PDF 7 MB , 07/31/2017)

Certification reports

211013 RoHS Power Defense

(PDF 105 KB , 10/13/2021)
NRX NF 800/1200A UL 489 certificate of compliance

(PDF 186 KB , 03/09/2015)
NRX RF UL 489 certificate of compliance

(PDF 185 KB , 03/02/2020)
PDG1 UL certification

(PDF 189 KB , 10/26/2018)
Series NRX with Digitrip - 800A UL 1066 test certificate

Series NRX with Digitrip - 800A UL 1066 test certificate

(PDF 292 KB , 08/22/2014)

Design guides

Power circuit breakers and insulated case circuit breakers

(PDF 10 MB , 05/31/2017)

Infographics and listicles

Energy codes infographic

(PDF 120 KB , 01/26/2021)

Installation instructions

Manuals and user guides

Product specification guides

Low voltage circuit breakers guide specification

This is the guide specification describing low voltage power circuit breakers, insulated case circuit breakers, and molded case circuit breakers.

(DOCX 1 MB , 02/03/2022)

Technical data sheets

Power Defense Insulated Case Circuit Breaker NRX NF and RF Renewal Parts

(PDF 4 MB , 06/16/2021)

Time current curves

PXR 20 & 25 trip units

PXR trip units time current curves

(PDF 4 MB , 08/30/2016)

White papers

Intelligent circuit protection yields space savings

Power Defense thought leadership white paper

(PDF 223 KB , 04/15/2019)
Low voltage air circuit breaker and insulated case circuit breaker primary circuit resistance testing white paper - WP013003EN

This is the white paper describing the purpose of the primary resistance test, testing in the field and results for Magnum breakers and Power Defense insulated case circuit breakers.

(PDF 126 KB , 02/04/2025)
Molded case and low-voltage power circuit breaker health

New advances in the life expectancy monitoring of low voltage circuit breakers

(PDF 448 KB , 12/05/2023)
Safer by design: arc energy reduction techniques

Strategies to protect electrical systems during maintenance and on-going operation

(PDF 893 KB , 04/13/2022)

Wiring diagrams

PXR - Wiring diagrams

(PDF 1 MB , 07/19/2021)

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Power Defense insulated case circuit breaker