Eaton Magnum low voltage power circuit breaker MPSC503WEAXX2S - UL Listed

Part Number: MPSC503WEAXX2S
MPSC503WEAXX2S
Manufacturer
Eaton
Part number
MPSC503WEAXX2S
Category

Quick Summary

Eaton Magnum low voltage power circuit breaker provides reliable overcurrent protection for electrical distribution panels and machine controls. Engineers frequently struggle with achieving selective coordination while minimizing downtime during maintenance and replacements. This unit carries CE Marked, NEMA compliant, and UL Listed certifications, with CSA and other approvals supporting global deployment. Designed for power distribution efficiency, it integrates with Power Xpert Release trip units for precise protection and easy configurability across panels.

Product Information

Extended Description

MPSC503WEAXX2S Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Double standard frame, 5000 A (ABCABC), 100 kA, Three-pole, Drawout vertical mounting, PXR25 LSIGAM trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPSC503WEAXX2S
UPC
786689630935
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 SABA Listed CCC Marked
Certifications
CSA Certified ANSI UL Listed Lloyd's Register Certified KEMA 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 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 x32 22.06 1 Power Xpert Protection Manager x32 22.06 1 Eaton Specification Sheet - MPSC503WEAXX2S Eaton Specification Sheet - MPSC503WEAXX2S 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: PXR25 LSIGAM trip unit delivers precise protection with adjustable trip settings. Business Impact: Enhanced selectivity and faster fault isolation reduce unplanned downtime and damage to downstream equipment. Application: Ideal for Magnum PXR-based LV breakers in industrial power distribution and control panels. Feature: Drawout vertical mounting simplifies installation and replacement. Business Impact: Safer maintenance, reduced lockout time, and easier retrofits in existing switchgear footprints. Application: Used in high-entry density panel assemblies and upgrade projects. Feature: 3-pole configuration with a double standard frame ensures broad compatibility. Business Impact: Streamlined parts sourcing and smoother upgrades across legacy installations. Application: Original equipment and replacement scenarios across manufacturing lines. Feature: High short-circuit current capability (100 kA Ics) provides robust protection for high-demand systems. Business Impact: Lower risk of nuisance trips during fault events and improved system reliability. Application: Data centers, process industries, and heavy manufacturing facilities. Feature: Large footprint and weight (16.3 in L, 16.8 in H, 31.1 in W, 237 lb) enable durable, serviceable installations. Business Impact: Predictable mechanical performance and extended service life with safer handling. Application: New builds and major panel refurbishments requiring durable protection hardware. Feature: Comprehensive certifications (UL Listed, CE Marked, CSA Certified, NEMA Compliant) support global compliance. Business Impact: Facilitates international deployment, regulatory alignment, and easier procurement. Application: Global projects with diverse compliance requirements and long lifecycle strategies.

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FAQs

The MPSC503WEAXX2S uses a drawout vertical mounting design with a footprint of 16.3 in length, 16.8 in height, and 31.1 in width. Plan for safe handling of the 237 lb unit and ensure adequate clearance for replacement operations and accessory installation in the panel—this supports straightforward maintenance and reduces downtime.
Key specs include a three-pole configuration with the Magnum double standard frame, PXR25 LSIGAM trip unit, and a short-circuit current rating of up to 100 kA. The catalog number is MPSC503WEAXX2S, and it is suitable for high-demand industrial environments requiring reliable fault interruption and protection coordination.
Yes. The PXR25 LSIGAM trip unit enables selective coordination with compatible Magnum breakers, allowing precise fault isolation and minimized downtime. This makes it well-suited for complex power distribution schemes in manufacturing facilities and critical processes where uptime matters.
The MPSC503WEAXX2S is UL Listed, CE Marked, and CSA Certified, with additional compliance indicators such as NEMA compliance. These certifications support global deployment and regulatory alignment across multiple regions and markets.
Consider ensuring availability of Magnum renewal parts and accessories, guided by Eaton’s documentation on renewal parts and trip-unit upgrades. The drawout design and compatibility with PXR personnel facilitate safer maintenance, while the large frame supports durable installations with predictable lifecycle costs.