Eaton MPS8504WEAXX2A Magnum LV Power Breaker - UL Listed
Part Number: MPS8504WEAXX2A
Quick Summary
Eaton Magnum low voltage power circuit breaker protects industrial electrical distribution and motor circuits in demanding environments. Design engineers often grapple with coordination, trip-unit configuration, and downtime during protection upgrades. It carries CE Marked, UL Listed, and CSA Certified approvals, with NEMA compatibility for global deployment. Built on the Magnum PXR platform with a Power Xpert Release trip unit and drawout vertical mounting, it simplifies installation, field testing, and maintenance while delivering robust protection for critical loads. This combination supports higher fault clearance speeds and easier upgrade paths across existing panels.
Product Information
Extended Description
MPS8504WEAXX2A Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Double standard frame, 5000 A (NNABCABC), 85 kA, Four-pole, Drawout vertical mounting, PXR20 LSI trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPS8504WEAXX2A
UPC
786689635954
Product Length/Depth
16.3 in
Product Height
16.8 in
Product Width
44.1 in
Product Weight
319 lb
Compliances
CE Marked SABA Listed CCC Marked NEMA Compliant
Certifications
CSA Certified UL Listed KEMA Certified ANSI Lloyd's Register Certified ABS Certified DNV GL Certified
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 - MPS8504WEAXX2A
Eaton Specification Sheet - MPS8504WEAXX2A
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
Power Xpert Release with the PXR20 LSI trip unit delivers precise protection and scalable coordination, enabling selective tripping that minimizes disruption to unaffected circuits and reduces downtime in motor-driven processes. This translates to safer start-ups and lower maintenance costs in process lines and packaging facilities, while enabling easy configuration through protection-management software. The drawout vertical mounting design simplifies hot-swaps and service workflows, shortening maintenance windows and improving panel uptime during expansion or retrofit projects. A 5000 A current rating and 85 kA short-circuit capacity provide robust fault-resistance for high-energy facilities, supporting reliable operation in data centers and heavy manufacturing. Broad certifications including CE, UL, CSA, and NEMA compliance enable global deployment and streamlined supplier qualification. The four-pole, double-frame construction supports full-voltage protection for three-phase systems with neutral, reducing mis-wiring risks and ensuring compliant panel protection. Compatibility with Power Xpert Protection Manager allows remote monitoring and protection management across plant networks, enhancing predictive maintenance and asset optimization. Zone selective interlocking (ZSI) options add an extra layer of selective coordination for critical machinery corridors, improving safety and reducing arc energy. Overall, Magnum PXR devices are known for longevity, maintainability, and a strong total-cost-of-ownership proposition for modern industrial environments.
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FAQs
Plan for a four-pole, drawout unit with vertical mounting and ensure sufficient enclosure clearance for a device measuring 16.3 in in depth, 16.8 in high, and 44.1 in wide. Provide proper mechanical support for a 319 lb assembly and access for field testing. Verify panel and bus bar accommodations align with the 5000 A rating and four-pole configuration.
The PXR20 LSI trip unit delivers intelligent protection with precise coordination, enabling selective tripping which confines faults to the affected circuit. This reduces unintended outages and speeds fault isolation, improving motor protection for high-demand loads and simplifying protection management through Power Xpert Protection Manager integration.
Yes. The unit carries CE Marked, UL Listed, and CSA Certified approvals, along with NEMA compatibility. These certifications support global deployment across manufacturing, data centers, and utilities, simplifying supplier qualification and ensuring regulatory compliance in multiple regions.
Ideal for industrial motor feeders and process lines, the four-pole design protects three-phase systems with neutral. Its high interrupting capacity and selectable coordination make it suitable for high-energy facilities, while drawout mounting supports easy retrofits and maintenance in existing panel boards and switchgear assemblies.
The PXR platform reduces downtime through faster fault isolation and easier maintenance with drawout replacement. Remote monitoring via Power Xpert Protection Manager enables predictive maintenance, reducing unexpected outages. Certifications and modular design also lower total cost of ownership by extending service intervals and simplifying upgrades.