Eaton MPS8503VEAXX2A Magnum low-voltage power circuit breaker - UL Listed
Part Number: MPS8503VEAXX2A
Quick Summary
Eaton Magnum low-voltage power circuit breaker protects electrical distribution panels in industrial facilities. In fast-moving environments, protection must be precise to prevent unnecessary outages and equipment damage when protection settings fall out of date. This unit is CE Marked, UL Listed, and CSA Certified, with additional approvals that support safe operation across global plants. For manufacturers pursuing scalable protection strategies, its compatibility with Magnum PXR trip units and Power Xpert Protection Manager offers dependable, maintainable power distribution and reduced downtime.
Product Information
Extended Description
MPS8503VEAXX2A Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Double standard frame, 5000 A (ABCABC), 85 kA, Three-pole, Fixed vertical mounting, PXR20 LSI trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPS8503VEAXX2A
UPC
786689635596
Product Length/Depth
16.3 in
Product Height
16.8 in
Product Width
31.1 in
Product Weight
237 lb
Compliances
NEMA Compliant CCC Marked CE Marked SABA Listed
Certifications
CSA Certified KEMA Certified ANSI Lloyd's Register 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
Power Xpert Release trip unit for Magnum PXR circuit breakers PXR 20/25 user manual
Power Xpert Release trip unit for Magnum PXR circuit breakers PXR 20/25 user manual
Power Xpert Release trip unit for Magnum PXR circuit breakers PXR 20/25 user manual
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 - MPS8503VEAXX2A
Eaton Specification Sheet - MPS8503VEAXX2A
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: Three-pole, fixed vertical mounting and a compact footprint. Business Impact: Enables straightforward installation in existing panels while delivering reliable, coordinated protection for three-phase loads. Application: Ideal for new builds or retrofits in industrial power distribution cabinets seeking consistent trip performance. Feature: PXR20 LSI trip unit integrated with Magnum PXR family. Business Impact: Delivers precise instantaneous and long-time protection, improving selective coordination and fault isolation. Application: Suitable for facilities requiring fast, selective trips to minimize arc-flash risk and equipment damage. Feature: High short-circuit ratings (5000 A symmetrical, 85 kA non-conditional) and robust construction. Business Impact: Withstands high fault currents, reducing nuisance trips and extending asset life. Application: Critical feeders in manufacturing lines and data centers where fault current levels are high. Feature: Compliance and certifications including NEMA, CE Mark, UL Listed, CSA, and others. Business Impact: Simplifies regulatory approvals and accelerates project commissioning. Application: Global deployments across markets with strict compliance requirements. Feature: Compatibility with Power Xpert Release trip units and protection management tools. Business Impact: Enables enhanced monitoring, faster diagnostics, and streamlined maintenance planning. Application: Facilities pursuing digitalization of protection with remote management and reporting. Feature: Dimensional and weight data supporting installation planning (16.3 in depth, 31.1 in width, 16.8 in height, 237 lb). Business Impact: Facilitates exact fit assessment and logistics planning for rack, panel, or enclosure space. Application: Retrofit projects where space utilization and shipping constraints matter.
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FAQs
To install the MPS8503VEAXX2A, start with confirming a three-pole, fixed-vertical configuration and ensure mounting clearance for heat dissipation. Use the catalog number MPS8503VEAXX2A to verify fit in the panel, align with the mounting rails, and follow the Power Xpert Release manual for wiring the PXR20 LSI trip unit. Proper torque and secure connections are essential to maintain performance and reliability.
Key specs include a three-pole design with an 85 kA trip capacity and a 5000 A short-circuit rating, paired with the PXR20 LSI electronic trip unit. This combination supports fast, selective tripping and stable operation under high fault currents, aligning with ANSI/IEC protection requirements and enabling coordinated protection across feeders.
This breaker excels in industrial power distribution, manufacturing lines, and data-center feeder panels where reliable short-circuit protection and precise coordination are critical. Its fixed vertical mount, 3-pole configuration, and compatibility with Magnum PXR trip units make it a strong fit for new builds and retrofit projects seeking scalable protection strategies.
The unit carries UL Listed and CSA Certified marks, along with CE Marked and other approvals such as NEMA compliance and SABA listing. These certifications support regulatory compliance, global compatibility, and safer operation across diverse installation sites, simplifying procurement and commissioning for multinational facilities.
Eaton provides manuals and application notes for Magnum PXR, including PXR20/25 user guides and protection-manager tools. Resources like zone-selective interlocking papers and Power Xpert Protection Manager software enable faster troubleshooting, reduced downtime, and better asset lifecycle management, delivering measurable ROI through enhanced reliability and predictive maintenance.