Eaton MPS8504MEAXX2A Magnum low voltage circuit breaker UL

Part Number: MPS8504MEAXX2A
Manufacturer
Eaton
Part number
MPS8504MEAXX2A

Quick Summary

Eaton Magnum low voltage circuit breaker protects electrical distribution panels and machinery. Maintenance teams often battle downtime and miscoordination when protecting high-demand equipment; this unit’s motorized racking and Power Xpert Release PXR20 LSI trip unit streamline operation and fault isolation. The device carries CE Marked and UL Listed certifications, along with CSA Certified and other reliability marks, giving cross-border compliance confidence. By combining rugged protection with modern protection-management features, it delivers safer, faster service in industrial environments and supports scalable protection schemes for growing facilities. Secondary benefits include compatibility with Power Xpert Protection Manager and seamless integration into existing motor control centers, delivering measurable business value through improved uptime and safer electrical infrastructure.

Product Information

Extended Description

MPS8504MEAXX2A Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Double standard frame, 5000 A (NNABCABC), 85 kA, Four-pole, Drawout vertical with motorized racking mounting, PXR20 LSI trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPS8504MEAXX2A
UPC
786689635817
Product Length/Depth
16.3 in
Product Height
16.8 in
Product Width
44.1 in
Product Weight
319 lb
Compliances
CCC Marked CE Marked SABA Listed NEMA Compliant
Certifications
Lloyd's Register Certified CSA Certified KEMA Certified ANSI UL Listed ABS Certified DNV GL Certified
Feature → Business Impact → Application: The MPS8504MEAXX2A is a four-pole, drawout vertical breaker with motorized racking, enabling quick maintenance and rapid replacement of protective devices without extended downtime; this reduces maintenance costs and plant disruption while preserving protection coordination in complex MCCs and process lines. Feature → Business Impact → Application: The PXR20 LSI trip unit provides advanced electronics and status monitoring, improving selectivity, arc-energy control, and diagnostic visibility; this supports safer shutdowns and faster fault diagnosis in chemical plants or heavy manufacturing. Feature → Business Impact → Application: With an 85 kA short-circuit rating and 5000 A interrupting capacity, the unit withstands high fault currents typical in large motor loads and feeder banks, minimizing damage to downstream equipment and improving reliability in steel, plastics, and food-and-beverage facilities. Feature → Business Impact → Application: The Magnum double frame and 44.1 in width ensure compatibility with standard low-voltage switchgear and MCC assemblies, simplifying installation and spare-part management across multi-line facilities. Feature → Business Impact → Application: The drawout vertical design with motorized racking reduces service time during inspections and replacements, enabling tighter maintenance windows in oil & gas or mining environments and supporting regulatory compliance through easier evidence of protection integrity. Feature → Business Impact → Application: Access to Eaton technical assets, including time-current curves and installation guides, supports engineers in performing accurate selective coordination studies and ensuring code-compliant protection schemes across plants.

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FAQs

MPS8504MEAXX2A is designed for drawout vertical mounting with motorized racking, aligning with common low‑voltage MCC assemblies. Its double standard frame enables straightforward substitution in existing racks, minimizing mechanical rework. This compatibility reduces commissioning time, lowers installation risk, and supports future expansion without requiring a full switchgear overhaul.
The unit features a four-pole configuration with an 85 kA short‑circuit rating and a 5000 A interrupting capacity (NNABCABC). Catalog number MPS8504MEAXX2A confirms the model, and the product’s protection includes the Power Xpert Release PXR20 LSI trip unit for advanced protection, monitoring, and coordination.
This Magnum breaker carries CE Marked and UL Listed certifications, plus CSA Certified status and other recognized approvals such as Lloyd’s Register and DNV GL. These certifications support compliance across Europe and North America, making it suitable for regulated industries like manufacturing, process industries, and infrastructure projects.
Ideal for motor control centers, process lines, and distribution panels in large facilities, the MPS8504MEAXX2A excels where reliable short‑circuit protection and coordinated tripping are critical. Its drawout design and PXR20 LSI protection support selective coordination studies and safer maintenance in demanding environments like OEM plants, steel, and plastics processing.
Power Xpert Release (PXR20 LSI) provides advanced trip-unit logic, fault diagnostics, and integration with Protection Manager, enabling faster fault isolation and reduced downtime. In practice, this leads to lower maintenance costs, easier asset management, and better protection coordination across facilities, contributing to a favorable return on investment over the life of the installation.