Eaton MPS8503MEAXX2A Magnum LV Power Breaker - UL Listed

Part Number: MPS8503MEAXX2A
MPS8503MEAXX2A
Manufacturer
Eaton
Part number
MPS8503MEAXX2A
Category

Quick Summary

Eaton Magnum low voltage power circuit breaker MPS8503MEAXX2A provides reliable overcurrent protection for industrial motor and distribution panels. Engineers often wrestle with nuisance trips and extended downtime when upgrading protection in evolving control systems. UL Listed, CE Marked, and KEMA Certified ensure global compliance and site versatility across multiple markets. Coupled with the Power Xpert Release trip unit (PXR20 LSI) and drawout vertical mounting with motorized racking, it enables precise selective coordination and safe maintenance. The rugged 3-pole design handles high fault currents, while the compact drawout format simplifies installation in motor control centers and panel boards, delivering consistent protection with measurable efficiency gains for manufacturing environments.

Product Information

Extended Description

MPS8503MEAXX2A Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Double standard frame, 5000 A (ABCABC), 85 kA, Three-pole, Drawout vertical with motorized racking mounting, PXR20 LSI trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPS8503MEAXX2A
UPC
786689629588
Product Length/Depth
16.3 in
Product Height
16.8 in
Product Width
31.1 in
Product Weight
237 lb
Compliances
NEMA Compliant SABA Listed CE Marked CCC Marked
Certifications
KEMA Certified ANSI Lloyd's Register Certified UL Listed CSA 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 Magnum PXR low voltage power circuit breakers user manual Magnum PXR low voltage power circuit breakers user manual Magnum PXR low voltage power circuit breakers user manual Circuit Protection, Power Breakers, Contactors and Fuses, Volume 4, Tab 3 Power Xpert Protection Manager x32 22.06 1 Power Xpert Protection Manager x32 22.06 1 Eaton Specification Sheet - MPS8503MEAXX2A Eaton Specification Sheet - MPS8503MEAXX2A Magnum low-voltage power circuit breakers (ANSI and IEC) renewal parts and accessories Magnum PXR 20/25 electronic trip units time current curves Cyber security white paper Cyber security white paper Cyber security white paper
Feature: PXR20 LSI trip unit enables advanced protection settings and fast fault detection. Business Impact: Improves protection coordination and reduces nuisance trips, lowering unplanned downtime. Application: Suited for machine lines and panel boards in manufacturing environments where precise protection is required. Feature: Drawout vertical mounting with motorized racking simplifies maintenance. Business Impact: Safer, quicker breaker racking and replacement, minimizing maintenance window and human error. Application: Ideal for routine protection checks in large motor control centers and switchgear assemblies. Feature: Magnum frame with 5000 A interrupting capability and 85 kA short-circuit rating. Business Impact: Handles high fault currents typical of heavy industry, enabling reliable service continuity. Application: Suitable for feeders and motor feeders in petrochemical, metals, and HVAC applications. Feature: Double standard frame and three-pole configuration. Business Impact: Enhanced rigidity and balanced switching performance across all phases; supports broad wiring configurations. Application: Commonly deployed in control panels and power distribution assemblies. Feature: Comprehensive certifications including UL Listed, CE Marked, and KEMA Certified. Business Impact: Streamlines global procurement and regulatory compliance, reducing project risk. Application: Deployable across sites with diverse regulatory requirements and supplier audits. Feature: Compatibility with Power Xpert Protection Manager and PXR family. Business Impact: Enables centralized protection management, firmware updates, and data-driven maintenance planning. Application: Integrates with modern automation ecosystems for smarter energy protection and analytics.

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FAQs

The MPS8503MEAXX2A is designed for industrial motor control centers and distribution panels. Its three-pole, drawout configuration with motorized racking enables easy maintenance while supporting selective coordination in harsh plant environments. It is well-suited for manufacturing lines, packaging, and process automation where high fault current protection and reliable operation are critical.
Yes. The MPS8503MEAXX2A is UL Listed, along with CE Marked and other major certifications, providing assurance for global installations and critical safety compliance. These certifications support procurement across multiple regions and simplify audits for regulated facilities.
The PXR20 LSI trip unit provides advanced protection logic and coordination features for Magnum breakers. It supports configurable protection curves, improves selectivity, and enables data-driven diagnostics. Integration with existing Power Xpert protection systems allows centralized monitoring and easier maintenance planning.
The unit is designed for drawout vertical mounting with motorized racking, simplifying insertion and removal in panel boards and motor control centers. Ensure compatible frame size and space for the 31.1 in width, 16.8 in height, and 16.3 in depth; verify protection settings align with system coordination and panel design requirements.
Key ratings include three-pole operation with 5000 A interrupting capability and 85 kA short-circuit rating. Combined with UL Listed, CE Marked certifications and PXR20 LSI trip unit, the breaker delivers reliable protection for high-demand loads, enabling safer startup, reduced arc risk, and compliant operation in diverse industrial environments.