Eaton MPSC5N3WEAXX2A Magnum LV Breaker - UL Listed
Part Number: MPSC5N3WEAXX2A
Quick Summary
Eaton Magnum low-voltage power circuit breaker protects industrial power distribution and machine control applications with precise coordination. Engineers often struggle to balance selective protection, trip settings, and maintenance access in demanding environments. This unit carries UL Listed, CSA Certified, and CE Marked approvals, ensuring global compliance and easier procurement. Its PXR20 LSI trip unit and drawout vertical mounting simplify diagnostics, enable fast replacements, and support scalable protection strategies. The rugged build and standard accessories help reduce downtime and inventory while easing commissioning across sites. With Magnum, you gain a proven platform for reliable motor and line protection in power distribution centers.
Product Information
Extended Description
MPSC5N3WEAXX2A Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Double standard frame, 5000 A (AABBCC), 100 kA, Three-pole, Drawout vertical mounting, PXR20 LSI trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPSC5N3WEAXX2A
UPC
786689631727
Product Length/Depth
16.3 in
Product Height
16.8 in
Product Width
31.1 in
Product Weight
237 lb
Compliances
CCC Marked SABA Listed NEMA Compliant CE Marked
Certifications
Lloyd's Register Certified CSA Certified KEMA Certified UL Listed ANSI 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 - MPSC5N3WEAXX2A
Eaton Specification Sheet - MPSC5N3WEAXX2A
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: Three-pole drawout vertical mounting supports quick hot-swaps and simplified service, reducing downtime during maintenance and upgrades. Business impact: Faster field service and lower panel downtime translate to higher asset availability in manufacturing lines and process plants. Application: Ideal for control panels and switchgear where frequent protection checks are needed. Feature: PXR20 LSI trip unit enables configurable protection curves and advanced coordination, improving fault isolation without unnecessary trips. Business impact: Enhanced system reliability and safer startup sequences, minimizing unplanned outages in mission-critical processes. Application: Motor feeders and process lines requiring precise fault discrimination. Feature: 5000 A frame with 100 kA short-circuit rating delivers robust interruption capability for high-energy environments. Business impact: Reduced risk of collateral damage and higher plant uptime in heavy manufacturing and energy-intensive facilities. Application: Main feeders and heavy-load panels in steel, mining, and chemical industries. Feature: UL Listed, CSA Certified, and CE Marked certifications provide global compliance and supplier confidence. Business impact: Streamlined procurement, fewer compliance holds, and easier cross-border installations. Application: Global sites with strict regulatory requirements. Feature: Compatibility with Magnum accessories and Power Xpert Protection Manager integration supports scalable protection strategies. Business impact: Single-platform protection data, faster engineering time, and improved maintenance planning. Application: Modernizing legacy installations and expanding to larger networks across multiple facilities.
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FAQs
The MPSC5N3WEAXX2A uses a drawout vertical mounting compatible with Magnum enclosures and standard three-pole frames. Plan for panel depth (16.3 in) and height (16.8 in) with a width of 31.1 in to accommodate the breaker and clearances for safe operation. Ensure alignment with accessory rails and compatible trip units for seamless upgrades.
Key ratings include a 5000 A frame and 100 kA short-circuit rating, three-pole configuration, and a PXR20 LSI trip unit. These features support selective coordination, adjustable protection curves, and rapid fault isolation, ideal for high-energy industrial applications such as motors and process lines.
Yes. The combination of three-pole drawout mounting, PXR20 LSI trip unit, and high interrupting capacity makes it suitable for motor feeders and process line protection. It supports selective coordination to minimize nuisance trips and enables precise motor overload protection in demanding environments.
This model is UL Listed, CSA Certified, and CE Marked, with additional recognized certifications in the OEM ecosystem. These approvals facilitate global procurement, reduce compliance risk, and support cross-border installations in regulated industries such as energy, manufacturing, and process automation.
The drawout design enables quick replacements and easy inspection without complete panel removal, cutting maintenance downtime. The PXR20 trip unit supports diagnostic data and upgrades, while compatibility with Power Xpert tools improves proactive maintenance planning, reducing total cost of ownership through fewer outages and streamlined asset management.