Eaton MPSC304WEAXX2A Magnum Breaker - UL Listed, 100 kAIC

Part Number: MPSC304WEAXX2A
MPSC304WEAXX2A
Manufacturer
Eaton
Part number
MPSC304WEAXX2A
Category

Quick Summary

Eaton MPSC304WEAXX2A Magnum low-voltage power circuit breaker is a four-pole protection device designed for reliable panel protection in industrial facilities. Operators and engineers often struggle with coordinating protection across feeders while maintaining fast fault clearing. This unit is UL Listed, CE Marked, and CSA Certified, enabling global compliance and safer operations. As part of the Magnum PXR family, it delivers scalable protection with a 100 kAIC interrupt rating and 3000 A Iu, while the four-pole, drawout vertical mounting simplifies installation and service in control panels and switchgear. Integrating with Power Xpert Protection Manager supports proactive monitoring and coordination, further reducing downtime and maintenance costs while meeting industry standards.

Product Information

Extended Description

MPSC304WEAXX2A Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Standard frame, 3000 A, 100 kA, Four-pole, Drawout vertical mounting, PXR20 LSI trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPSC304WEAXX2A
UPC
786689634216
Product Length/Depth
14.6 in
Product Height
16.8 in
Product Width
21.2 in
Product Weight
160 lb
Compliances
NEMA Compliant SABA Listed CCC Marked CE Marked
Certifications
UL Listed KEMA Certified CSA Certified Lloyd's Register Certified ANSI DNV GL Certified ABS Certified
Frame
Standard
Number of poles
Four-pole
Type
Magnum PXR
Frame
Standard
Series
Magnum
Trip Type
PXR20 LSI
Number of poles
Four-pole
Rated uninterrupted current (Iu)
3000 A
Interrupt rating
100 kAIC
Interrupt rating
100 kAIC
Rated uninterrupted current (Iu)
3000 A
Zone selective interlocking application paper Magnum circuit breakers with Power Xpert Release trip units product aid Selevctive coordination application paper - IA0120000E3 Magnum PXR and PD-SB double and double narrow frame UL Certificate of Compliance Magnum PXR and PD-SB double and double narrow frame UL Certificate of Compliance Microsoft Word - Power Xpert Protection Manager Quick Start Guide.docx Microsoft Word - Power Xpert Protection Manager Quick Start Guide.docx Microsoft Word - Power Xpert Protection Manager Quick Start Guide.docx Circuit Protection, Power Breakers, Contactors and Fuses, Volume 4, Tab 3 Power Xpert Protection Manager x64 22.6 1 Power Xpert Protection Manager x64 22.6 1 Eaton Specification Sheet - MPSC304WEAXX2A Eaton Specification Sheet - MPSC304WEAXX2A Magnum low-voltage power circuit breakers (ANSI and IEC) renewal parts and accessories Magnum PXR 20/25 electronic trip units time current curves Molded case and low-voltage power circuit breaker health Molded case and low-voltage power circuit breaker health Molded case and low-voltage power circuit breaker health
Feature → Business Impact → Application: The Magnum PXR four-pole standard-frame design with drawout vertical mounting provides robust physical protection and straightforward maintenance access, enabling fast replacement and reduced panel downtime in busy manufacturing lines and data centers. Application: switchgear assemblies in harsh plant environments benefit from faster service and safer trips without sacing protection reliability. Feature → Business Impact → Application: The PXR20 LSI trip unit delivers advanced protection logic and precise coordination, improving selectivity and reducing nuisance trips. Application: critical feeders feeding motors and process lines where accurate trip curves minimize production interruptions. Feature → Business Impact → Application: A 100 kAIC interrupt rating paired with 3000 A Iu supports high fault currents, safeguarding feeders and downstream equipment. Application: metal processing, chemical, and heavy manufacturing facilities with demanding short-circuit conditions. Feature → Business Impact → Application: UL Listed, CE Marked, and CSA Certified worldwide compatibility reassures multinational sites and contractors. Application: global projects requiring recognized safety certifications and cross-border compliance. Feature → Business Impact → Application: Standard frame, four-pole configuration simplifies retrofits and replacements within existing Magna/PXR installations, reducing inventory and downtime. Application: panel modernization, equipment upgrades, and new-build switchgear where compatibility and support are essential. Feature → Business Impact → Application: Availability of extensive Eaton documentation and compatibility with Power Xpert Protection Manager enables remote monitoring, event logging, and faster fault analysis. Application: plant-wide protection strategies, digital twins, and preventative maintenance programs.

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FAQs

The MPSC304WEAXX2A uses a standard Magnum frame with four-pole drawout vertical mounting, which simplifies installation and makes on-site maintenance faster. Its compatibility with existing Magnum PXR protection schemes minimizes replacement effort and helps engineers keep panels aligned with current infrastructure, reducing downtime during upgrades or routine servicing.
This breaker provides a rated uninterrupted current (Iu) of 3000 A and an interrupt rating of 100 kAIC. It uses the Power Xpert Release PXR20 LSI trip unit for precise protection logic and selectivity, enabling reliable fault clearing and coordinated protection across feeders in demanding industrial environments.
Heavy manufacturing, metal processing, process industries, and large-scale facilities with demanding fault currents benefit most. The four-pole, standard-frame design supports protection of motors, feeders, and switchgear in harsh environments, while the PXR20 LSI unit ensures accurate tripping and minimized downtime in critical processes.
MPSC304WEAXX2A is UL Listed, CE Marked, and CSA Certified, with additional certifications from KEMA, Lloyd's Register, ANSI, DNV GL, and ABS noted in the data. These certifications ensure global regulatory compliance, safety assurance for multinational sites, and acceptance by diverse project specifications and standards.
The drawout design simplifies mechanical inspection, testing, and replacement. When paired with Power Xpert Protection Manager, it supports real-time monitoring, event history, and time/current coordination curves, enabling proactive maintenance, reduced downtime, and better visibility into protection performance across the plant portfolio.