Eaton MPSC5N3MEAXX2A Magnum breaker-UL Listed, PXR20 LSI

Part Number: MPSC5N3MEAXX2A
MPSC5N3MEAXX2A
Manufacturer
Eaton
Part number
MPSC5N3MEAXX2A
Category

Quick Summary

Eaton Magnum low voltage power circuit breaker provides reliable protection for industrial power distribution panels and motor circuits. Engineers often face costly downtime from miscoordination and nuisance trips when protection devices aren’t properly matched. This solution carries UL Listed, ANSI, CSA, and CE certifications, with a PXR20 LSI trip unit that enables precise coordination and fast fault clearance. Designed for modern, connected facilities, it supports Power Xpert Protection Manager integration and scalable protection schemes. By combining robust protection with intuitive operation, it helps facilities reduce unplanned outages while improving maintenance planning and overall uptime.

Product Information

Extended Description

MPSC5N3MEAXX2A Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Double standard frame, 5000 A (AABBCC), 100 kA, Three-pole, Drawout vertical with motorized racking mounting, PXR20 LSI trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPSC5N3MEAXX2A
UPC
786689631581
Product Length/Depth
16.3 in
Product Height
16.8 in
Product Width
31.1 in
Product Weight
237 lb
Compliances
CE Marked NEMA Compliant CCC Marked SABA Listed
Certifications
ANSI Lloyd's Register Certified CSA Certified KEMA Certified UL Listed DNV GL Certified ABS 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 - MPSC5N3MEAXX2A Eaton Specification Sheet - MPSC5N3MEAXX2A 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
Drawout vertical mounting with motorized racking reduces installation labor and safety risk, enabling quick, controlled breaker insertion and removal in panels and switchgear, which lowers commissioning time and field risk. The business impact is faster project starts and easier changeouts in dynamic manufacturing environments, with applications spanning panelboards and motor control centers. The Magnum PXR20 LSI trip unit delivers advanced protection features, improving selectivity and fault isolation, which translates to shorter interruptions and reduced collateral damage in electrical networks. A high 100 kA interrupt rating and 5000 A fault duty specification provide rugged performance in demanding environments, supporting uptime in data centers, processing lines, and continuous production. The three-pole, double-frame design ensures compatibility with existing Magnum-PXR configurations and simplifies retrofits, while Power Xpert Protection Manager integration enables centralized protection management and remote diagnostics. Compliance with UL, ANSI, CSA, and CE marks reduces auditing burden and accelerates global deployments, enabling standardized protection across plants and regions. Availability of renewal parts and accessories for Magnum breakers supports long service life, predictable maintenance costs, and lower total cost of ownership.

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FAQs

This model uses a drawout vertical design with motorized racking, enabling safe, quick breaker insertion and removal. Ensure compatible rail spacing and clearance for a 31.1 in width, 16.8 in height unit, and provide proper torque on mounting hardware. Plan for space around the drawout section to facilitate maintenance and testing without tools strikes.
Key specs include a three-pole configuration, 100 kA interrupt rating, 5000 A fault current withstand, dimensions of 31.1 in width by 16.8 in height by 16.3 in depth, and a weight of 237 lb. It features the PXR20 LSI trip unit for enhanced protection and coordination within Power Xpert ecosystems.
Yes. The Magnum breaker is designed to integrate with Power Xpert Protection Manager, enabling centralized protection configuration, monitoring, and diagnostics. This supports scalable protection schemes, remote access, and easier change management across multiple panels and sites.
This model carries UL Listed and ANSI/CSA certifications, along with CE marking and other national approvals. These certifications validate safety and performance to meet regulatory requirements, simplify cross-border procurement, and reduce audit and compliance risks for global facilities.
Benefits include improved uptime due to precise protection coordination and faster fault isolation, reduced unplanned downtime, and lower maintenance effort thanks to motorized racking and centralized protection management. Access to renewal parts and compatible accessories further stabilizes maintenance costs and extends service life.