Eaton MPS8504HEAXX2S Magnum LV CB - UL Listed

Part Number: MPS8504HEAXX2S
MPS8504HEAXX2S
Manufacturer
Eaton
Part number
MPS8504HEAXX2S
Category

Quick Summary

The Eaton Magnum low voltage power circuit breaker protects heavy-duty motor feeds and distribution panels in industrial settings. However, selecting the right trip unit, achieving proper coordination, and minimizing nuisance trips can complicate reliability and increase downtime. This model is UL Listed, CE Marked, and NEMA Compliant to support global operations and regulatory requirements. With a four-pole frame, fixed horizontal mounting, and a Power Xpert Release PXR25 LSIGAM trip unit, it combines robust protection with straightforward installation, efficient maintenance planning, and predictable lifecycle costs. Engineered for heavy-duty applications such as motor control centers and power distribution panels, it minimizes downtime and simplifies compliance reporting.

Product Information

Extended Description

MPS8504HEAXX2S Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Double standard frame, 5000 A (NNABCABC), 85 kA, Four-pole, Fixed horizontal mounting, PXR25 LSIGAM trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPS8504HEAXX2S
UPC
786689635794
Product Length/Depth
16.3 in
Product Height
16.8 in
Product Width
44.1 in
Product Weight
319 lb
Compliances
CE Marked NEMA Compliant SABA Listed CCC Marked
Certifications
KEMA Certified CSA Certified ANSI Lloyd's Register Certified UL Listed 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 Power Xpert Release trip unit for Magnum PXR circuit breakers PXR 20/25 user manual Power Xpert Release trip unit for Magnum PXR circuit breakers PXR 20/25 user manual Power Xpert Release trip unit for Magnum PXR circuit breakers PXR 20/25 user manual 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 - MPS8504HEAXX2S Eaton Specification Sheet - MPS8504HEAXX2S Magnum low-voltage power circuit breakers (ANSI and IEC) renewal parts and accessories Magnum PXR 20/25 electronic trip units time current curves Safer by design: arc energy reduction techniques Safer by design: arc energy reduction techniques Safer by design: arc energy reduction techniques
Four-pole design and fixed horizontal mounting provide robust three-phase protection with easy integration into standard enclosures, delivering safer commissioning and straightforward installation for industrial automation environments. The PXR25 LSIGAM trip unit enhances selective coordination and precise fault tripping, reducing arc energy exposure and limiting scope of outages, which translates to lower maintenance costs and improved uptime. With a long-standing 5000 A rating and an 85 kA short-circuit capacity, this breaker safeguards feeders and motor circuits from highfault events, promoting safer plant operation and extended equipment life. The compact Magnum frame, combined with a 16.3 in depth, 16.8 in height, and 44.1 in width, offers reliable stability in space-constrained switchgear while supporting Power Xpert Protection Manager workflows for monitoring and settings. Optional renewal parts, comprehensive manuals, and worldwide certifications (UL Listed, CSA, KEMA, ANSI, etc.) simplify lifecycle support and compliance. Industry-standard documentation and white papers on arc-energy reduction and selective coordination reinforce confidence in high-stakes installations.

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FAQs

The MPS8504HEAXX2S uses a fixed horizontal mounting with a four-pole frame, designed for straightforward integration into standard Magnum enclosures. Its compact footprint and robust weight enable secure installation in space-constrained switchgear, while alignment with common mounting patterns reduces cabinet rework and streamlines commissioning during retrofits or new builds.
This breaker provides a 5000 A current rating with an 85 kA short-circuit rating, and it employs the PXR25 LSIGAM electronic trip unit. These specifications support reliable protection for large-motor feeders and distribution panels, with strong fault-current withstand and precise tripping to minimize damage and downtime in demanding industrial environments.
Yes. The Magnum PXR trip units are designed to work within the Power Xpert Protection Manager ecosystem, enabling centralized configuration, monitoring, and coordination of protection settings. This compatibility streamlines engineering workflows and improves visibility for maintenance planning and incident analysis.
The unit is UL Listed and CE Marked, with additional certifications including CSA, KEMA, ANSI, Lloyd's Register, ABS, and DNV GL. It is also NEMA Compliant and SABA Listed, among others, ensuring global acceptance, regulatory compliance, and safe operation across diverse plant standards.
The integrated PXR trip unit and clear lifecycle documentation reduce maintenance guesswork and extend service intervals. Access to renewal parts, manuals, and trusted supplier support shortens downtime for inspections and replacements, helping to lower total cost of ownership and improve plant uptime through predictable performance and easier regulatory compliance.