Eaton MPSC503MEAXX2S Magnum LV Circuit Breaker UL Listed

Part Number: MPSC503MEAXX2S
MPSC503MEAXX2S
Manufacturer
Eaton
Part number
MPSC503MEAXX2S
Category

Quick Summary

The Eaton MPSC503MEAXX2S Magnum low voltage power circuit breaker protects industrial power distribution in large MCCs. Customers often face downtime and maintenance costs during replacement, motorized racking, and sequence alignment in drawout breakers. This unit supports critical certifications including UL Listed, CE Marked, and NEMA compliance, enabling safer integration across global facilities. Designed for 5000 A/100 kA interrupt ratings, it supports demanding industrial feeders while maintaining arc flash safety. Compatible with the PXR25 LSIGAM trip unit and drawout vertical mounting, it accelerates commissioning and protection coordination. Additionally, Power Xpert Protection Manager integration streamlines data capture and maintenance scheduling for plant-wide reliability.

Product Information

Extended Description

MPSC503MEAXX2S Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Double standard frame, 5000 A (ABCABC), 100 kA, Three-pole, Drawout vertical with motorized racking mounting, PXR25 LSIGAM trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPSC503MEAXX2S
UPC
786689635442
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
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 - MPSC503MEAXX2S Eaton Specification Sheet - MPSC503MEAXX2S 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 maintenance time during breaker swaps and minimizes manual alignment errors, delivering faster, safer service in restricted spaces. This feature directly lowers downtime costs and simplifies routine tests in busy plant environments. The PXR25 LSIGAM trip unit delivers adaptive protection and selective coordination, improving system reliability and reducing nuisance trips. In practice, engineers tune curves to match motor loads and line protection, enhancing overall risk management. A high interrupt rating of 100 kA with a 5000 A frame supports reliable interruption of high fault currents on MCC feeders while preserving equipment integrity and arc-flash safety. Global certifications including UL Listed, CE Marked, NEMA compliance, CSA, KEMA, and Lloyd’s Register enable seamless deployment across international facilities. The Magnum design also integrates with Power Xpert Protection Manager for protection management, data capture, and proactive maintenance planning, boosting uptime and long-term ROI. Rugged construction and precise fitment with standard frames ensure straightforward installation in new builds or retrofits.

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FAQs

Yes. The MPSC503MEAXX2S is designed for three-pole, drawout vertical mounting with motorized racking. It fits standard low-voltage panels and MCC installations, supports the PXR25 LSIGAM trip unit, and matches Magnum frame dimensions (16.3 in depth, 16.8 in height, 31.1 in width). Ensure proper crane-assisted handling due to the 237 lb weight and follow the manufacturer’s mounting guidelines for safe operation.
This breaker features a 100 kA interrupt rating and uses the PXR25 LSIGAM trip unit for advanced protection. The three-pole design is optimized for large feeders and MCCs, enabling selective coordination and fast fault isolation. The combination supports reliable protection while minimizing nuisance trips in dynamic electrical systems.
Ideal for large motor control centers, switchgear assemblies, and heavy feeder circuits in manufacturing, oil and gas, and process industries. Its drawout design, motorized racking, and high interrupt capacity make it well-suited for demanding environments where uptime and protection coordination are critical.
The unit is UL Listed and CE Marked, with additional compliance to NEMA and other certifications (CSA, KEMA, Lloyd’s Register, ABS, DNV GL). These certifications support global deployment, regulatory compliance, and safety assurance, reducing project risk and facilitating cross-border procurement and installation.
Integration with Power Xpert Protection Manager enables streamlined protection management, data capture, and maintenance planning, reducing commissioning time and enabling proactive preventive maintenance. The result is higher uptime, lower maintenance costs, and improved protection coordination across the plant.