Eaton Magnum low voltage power circuit breaker MPSC254MEAXX2A - UL Listed

Part Number: MPSC254MEAXX2A
MPSC254MEAXX2A
Manufacturer
Eaton
Part number
MPSC254MEAXX2A
Category

Quick Summary

The Eaton Magnum low voltage power circuit breaker protects industrial power distribution by interrupting faults in switchgear and MCCs. This model helps engineers avoid undersized protection and costly downtime during maintenance. It carries UL Listed, CE Marked, and NEMA compliant certifications, along with a PXR20 LSI trip unit for precise protection. With four poles and a drawout vertical design that includes motorized racking, it simplifies installation and replacement in existing panels. By integrating Power Xpert Protection Manager compatibility and selective coordination considerations, it supports safer, more reliable operations while reducing total ownership costs.

Product Information

Extended Description

MPSC254MEAXX2A Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Standard frame, 2500 A, 100 kA, Four-pole, Drawout vertical with motorized racking mounting, PXR20 LSI trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPSC254MEAXX2A
UPC
786689637132
Product Length/Depth
14.6 in
Product Height
16.8 in
Product Width
21.2 in
Product Weight
160 lb
Compliances
CCC Marked CE Marked SABA Listed NEMA Compliant
Certifications
Lloyd's Register Certified CSA Certified KEMA Certified UL Listed ANSI 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 - MPSC254MEAXX2A Eaton Specification Sheet - MPSC254MEAXX2A 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 four-pole, 2500 A frame with 100 kA interrupting rating provides robust fault current handling for large MCCs and distribution panels, delivering reliable protection that reduces equipment damage and downtime in manufacturing plants and data centers. This translates to measurable uptime improvements and safer maintenance windows in high-demand environments. Feature → Business Impact → Application: The PXR20 LSI trip unit enables advanced protection logic, improving selective coordination and arc-flash mitigation; effectively lowers energy losses and eases custody transfer during startups in process facilities and critical power rooms. This supports compliance with safety standards while optimizing protection zones in complex electrical systems. Feature → Business Impact → Application: Drawout vertical mounting with motorized racking streamlines retrofit and maintenance; technicians can rack-in/out breakers quickly, reducing outage times and enabling rapid panel servicing in retrofit projects and new installations. Feature → Business Impact → Application: Comprehensive certifications and CE/UL alignment simplify procurement and regulatory approvals, accelerating project schedules in regulated industries such as chemical, oil & gas, and manufacturing. Feature → Business Impact → Application: Wide ecosystem compatibility, including Power Xpert Protection Manager integration, provides centralized protection management and easier firmware updates, lowering lifecycle costs and improving asset reliability for facilities teams and OEMs.

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FAQs

The MPSC254MEAXX2A uses a standard Magnum drawout vertical frame with motorized racking, enabling rapid insertion and removal without de-energizing the upstream feeders in compatible panels. Verify panel throat dimensions, align the four-pole interface, and confirm busbar clearance. Ensure mounting rails, torque specs, and racking sequences follow the Magnum PX R guidelines to minimize commissioning time and maximize safe operating practices.
The PXR20 LSI trip unit delivers advanced protection logic, programmable settings, and precise current sensing for improved selective coordination. This reduces nuisance tripping and enhances fault isolation in multi-breaker configurations. For best results, coordinate settings with adjacent breakers to establish clear pickup and delay profiles, ensuring selective tripping while maintaining system reliability in data centers and process lines.
Yes. With a 2500 A frame and 100 kA interrupting capacity, four-pole protection, and a robust drawout design, the MPSC254MEAXX2A is suited for critical power distribution in manufacturing and heavy-industry facilities where uptime and rapid fault clearance are essential. It also supports zone selective interlocking strategies when paired with compatible protection products, improving overall safety and availability.
The unit is CE marked and CCC marked, with NEMA compliance and SABA listing. It carries UL Listed, CSA Certified, KEMA Certified, Lloyd's Register Certified, ANSI, ABS Certified, and DNV GL Certified status, enabling broad regulatory acceptance and easing supplier qualification for regulated sectors such as oil & gas, chemical processing, and Power & Utilities projects.
The combination of a motorized racking system, PXR20 protection, and a modular Magnum platform enables faster maintenance cycles, reduced outage durations, and easier spare parts management. The Power Xpert Protection Manager ecosystem supports proactive monitoring and quick diagnostic access, delivering lower total cost of ownership through improved asset reliability and streamlined upgrades.