Core features

Industry exclusive integrated motorized remote racking (MR2) allows you to connect or disconnect a withdrawable breaker without ever breaching the arc flash boundary
Easily and cost effectively perform secondary injection testing with our intuitive Power Xpert Protection Manager software
Power and energy metering accuracy of 0.5% with PXR 35
Embedded communications and metering help to reduce cost by eliminating the need for separate communication components and associated wiring. Easily connect and push actionable data through our Power Xpert Dashboards, Modbus RTU, CAMs, or integrated ethernet (IEC 61850) with PXR 35
Breaker health and advanced algorithms help avoid costly downtime by enabling you to perform predictive and preventative maintenance on your power distribution system prior to component failure
Capture and view extended waveforms from multiple devices with synchronized event captures. This allows you to see how a specific event affected multiple devices with PXR 35 in your gear
Arc flash reduction maintenance system helps to reduce your arc flash level energy, reducing your PPE, which helps minimize risk and improves your personnel safety and productivity 
Multiple load alarms and ground fault alarm to help avoid costly downtime through predictive and preventative maintenance

DIGITILIZATION

Enhanced electronics

CONNECTED

Built-in communications

SAFETY

Arc flash reduction

Magnum integral motorized remote racking

Eaton's integral motorized remote racking (MR2) provides a means of remotely racking any Magnum PXR draw out circuit breaker used in low voltage assemblies.

Learn more about MR2

PXR electronic trip unit features and capabilities

Intuitive interface

Enhanced and easy-to-use interface provides visibility for critical performance metrics such as energy metering, battery life, ZSI settings, and breaker health

Increased uptime

Breaker health and programmable alarms help avoid costly downtime by enabling predictive and preventative maintenance prior to component failure

Safety and protection

Arc Flash Reduction Maintenance System and ZSI functions reduce arc flash energy enhancing productivity and work personnel safety

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.

Learn more

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 496 KB , 01/25/2024)
Field testing instructions and application guide - AP013002EN

Application paper: Field testing instructions and application guide for ground fault and Maintenance Mode protection systems utilizing Magnum PXR and Power Defense SB circuit breakers.

(PDF 3 MB , 03/27/2025)
Zone selective interlocking application paper

(PDF 2 MB , 04/11/2022)

Brochures

Arc flash safety solutions

This document reviews arc-flash solutions from the industry experts.

(PDF 10 MB , 05/05/2025)
Product aid Magnum circuit breakers with Power Xpert Release trip units - PA013007EN

This is the product aid describing the Magnum circuit breakers with PXR trip units.

(PDF 303 KB , 04/04/2025)
PXR35 trip unit product aid - PA013010EN

This is the product aid describing the PXR35 trip units for Magnum XR and Power Defense SB breakers.

(PDF 600 KB , 04/17/2025)

Certification reports

UL Mark Safety Scheme Certificate

(PDF 221 KB , 08/03/2022)
UL Mark Safety Scheme Certificate

(PDF 218 KB , 08/03/2022)

Design guides

Magnum PXR low-voltage switchgear design guide

This design guide provides dimensions, layout examples, technical specifications and application information for Magnum PXR low-voltage switchgear The information in this document supersedes section 21 of the Consulting Application Guide (CAG).

(PDF 1 MB , 04/07/2025)

Installation instructions

Manuals and user guides

MN013016EN: Magnum PXR & PD-SB low voltage power circuit breakers user manual

(PDF 15 MB , 07/25/2024)
Power Xpert Protection Manager quick start guide

(PDF 5 MB , 07/08/2024)
Power Xpert Release trip unit for Magnum PXR & PD-SB circuit breakers PXR 20/25/35 user manual

This is the user manual for PXR 20/25/35 trip units in Magnum PXR and PD-SB breakers

(PDF 4 MB , 06/20/2025) Updated

Price lists

PL013002EN: Magnum PXR & PD-SB pricing guide

(PDF 1 MB , 01/10/2024)

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)

Software, firmware, and applications

IL0131158EN: PXR end user license agreement

(PDF 231 KB , 04/06/2023)

Technical data sheets

Magnum low-voltage power circuit breakers (ANSI and IEC) renewal parts and accessories - TD013013EN

This is the renewal parts guide for Magnum low-voltage power circuit breakers (ANSI and IEC).

(PDF 3 MB , 03/26/2025)
Magnum with PXR and Power Defense SB technical product guide - PA013006EN

This is the technical product guide describing Magnum PXR and Power Defense SB low voltage power circuit breakers.

(PDF 6 MB , 06/21/2023)

Time current curves

Magnum with PXR and Power Defense SB TCCs

TD013172EN

(PDF 1 MB , 05/15/2023)

White papers

Cybersecurity considerations for electrical distribution systems

(PDF 930 KB , 11/30/2016)
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)

Contact me form

Phone: Technical support

For technical support call 877-386-2273 then select OPTION 2 then OPTION 2 and OPTION 3 one more time.

Email: Technical support

PowerBreakerSupport@eaton.com

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Magnum with Power Xpert Release trip units