Eaton MPSC503WEAXX2A Magnum LV Breaker - UL/CE
Part Number: MPSC503WEAXX2A
Quick Summary
The Eaton Magnum LV Breaker MPSC503WEAXX2A delivers reliable overcurrent protection for industrial power distribution panels in manufacturing and process facilities. Engineers often struggle with bulky, difficult-to-service breakers that slow downtime and complicate protective coordination in dense switchgear. This model carries UL Listed and CE Marked certifications, along with CSA and other regulatory approvals, to support compliance across global operations. The Magnum PXR trip unit and drawout vertical mounting simplify maintenance while enabling precise fault protection in demanding environments. By leveraging Power Xpert Protection Manager compatibility, it delivers visibility, faster fault diagnosis, and reduced downtime, while delivering scalable protection for expanding facilities.
Product Information
Extended Description
MPSC503WEAXX2A Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Double standard frame, 5000 A (ABCABC), 100 kA, Three-pole, Drawout vertical mounting, PXR20 LSI trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPSC503WEAXX2A
UPC
786689630881
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 CCC Marked CE Marked
Certifications
ANSI UL Listed KEMA Certified Lloyd's Register Certified CSA Certified 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 - MPSC503WEAXX2A
Eaton Specification Sheet - MPSC503WEAXX2A
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 MPSC503WEAXX2A uses a three-pole drawout design with vertical mounting, enabling fast installation in standard Eaton panels and minimizing field wiring complexity. This reduces commissioning time and upfront labor costs while ensuring robust protection in large switchgear assemblies. Application: ideal for manufacturing lines and process facilities requiring dependable, scalable protection with straightforward upgrade paths. Feature → Business Impact → Application: Magnum PXR with LSI trip unit provides precise protection, enhanced coordination, and arc-flash mitigation capabilities, which translate into fewer nuisance trips and improved uptime. Application: critical for motor-start-intensive environments and high-demand power distribution systems. Feature → Business Impact → Application: 100 kA short-circuit current rating and 5000 A interrupt capacity offer strong fault handling in dense installations, delivering reliability and reducing the risk of collateral damage. Application: utility-adjacent and process-heavy plants operating with challenging fault conditions. Feature → Business Impact → Application: compatibility with Power Xpert Protection Manager enables centralized monitoring, quicker fault isolation, and better maintenance planning. Application: retrofit projects and greenfield builds aiming for enhanced energy management and safer operations. Feature → Business Impact → Application: regulatory-ready certifications including UL Listed and CE Marked support global compliance, simplifying procurement and reducing supplier risk. Application: multinational projects and facilities with strict regulatory requirements. Feature → Business Impact → Application: compact drawing and standard frame design improve installation density and reduce space footprint in existing switchgear corridors. Application: crowded electrical rooms and retrofit scenarios where space is at a premium.
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FAQs
The MPSC503WEAXX2A uses a drawout vertical mounting arrangement, aligning with standard Eaton panel designs. This facilitates quick installation, easy pull-out maintenance, and straightforward replacement without rewiring, which minimizes downtime during preventive maintenance and upgrades.
It is a three-pole low-voltage breaker with the Magnum PXR20 LSI trip unit, rated for up to 100 kA short-circuit current and capable of interrupting up to 5000 A. These specs support reliable motor protection, selective coordination, and rapid fault isolation in high-demand systems.
Best suited for large switchgear, process lines, and machine-control panels where robust overcurrent protection, precise coordination, and easy maintenance are critical. Its compatibility with Power Xpert Protection Manager makes it ideal for facilities pursuing enhanced visibility and centralized protection strategies.
The unit is UL Listed and CE Marked, with additional certifications such as ANSI, CSA, KEMA, Lloyd's Register, DNV GL, and ABS. These approvals support global compliance, reduce procurement risk, and simplify certification for international projects.
Expect reduced downtime due to faster fault diagnosis and easier field service through drawout mounting and Power Xpert Protection Manager integration. The durable Magnum PXR system also lowers total cost of ownership by improving protection reliability and simplifying upgrades in expanding facilities.