Eaton MPSC403MEAXX2H Magnum LV breaker - UL Listed

Part Number: MPSC403MEAXX2H
MPSC403MEAXX2H
Manufacturer
Eaton
Part number
MPSC403MEAXX2H
Category

Quick Summary

Eaton Magnum low voltage power circuit breaker MPSC403MEAXX2H protects motor feeders in industrial plants. For engineers, selecting a protection device that installs quickly, withstands demanding duty, and minimizes downtime is a common challenge. UL Listed, KEMA Certified, and Lloyd's Register Certified cover global compliance, while ANSI/CSA listings support North American and Canadian operations. With a PXR20 LSIAM trip unit and motorized racking, it delivers selective protection and faster maintenance, reducing outage risk. This combination translates into lower total cost of ownership and improved system reliability for critical process lines.

Product Information

Extended Description

MPSC403MEAXX2H Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Double standard frame, 4000 A (ABCABC), 100 kA, Three-pole, Drawout vertical with motorized racking mounting, PXR20 LSIAM trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPSC403MEAXX2H
UPC
786689634582
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
UL Listed KEMA Certified Lloyd's Register Certified ANSI CSA Certified ABS Certified DNV GL 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 - MPSC403MEAXX2H Eaton Specification Sheet - MPSC403MEAXX2H 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
Integrated PXR20 LSIAM trip unit provides precise, adjustable protection, enabling selective coordination that reduces nuisance trips and improves overall system reliability in large motor feeders. This translates into fewer unplanned outages and lower maintenance costs in process industries. The Magnum PX R protection platform supports easy integration with Eaton Power Xpert Protection Manager, simplifying monitoring and diagnostics for engineers. Drawout vertical mounting with motorized racking allows safe, rapid maintenance, minimizes panel downtime, and streamlines replacement of aging breakers in high-demand panels. The 4000 A frame with 100 kA interrupt capability delivers robust fault handling for feeders connected to heavy electrical loads, improving protection for critical drives and pumps in manufacturing facilities. The double standard frame and three-pole design enhance compatibility in legacy and new installations, reducing retrofit risks and accelerating project timelines. Compliance with UL, CE, ANSI, CSA, and other certifications provides procurement confidence and regulatory alignment, aiding audits and quality control in regulated environments. Overall, this solution offers measurable ROI through improved uptime, faster maintenance, and streamlined commissioning in industrial automation settings.

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FAQs

The MPSC403MEAXX2H uses a drawout vertical mounting with motorized racking, compatible with Magnum PXR frames and three-pole configurations. This design enables safe, quick maintenance and straightforward replacement within existing panels or new installations, reducing downtime during commissioning and service.
Key specs include a 4000 A frame rating, 100 kA interrupt capacity, three-pole construction, and a PXR20 LSIAM trip unit. Dimensions are 16.3 in depth, 16.8 in height, and 31.1 in width, with a weight of 237 lb. It is UL Listed and CE marked, supporting broad regulatory compliance.
Yes. The PXR20 LSIAM trip unit provides precise motor protection and selective coordination, while the drawout, motorized racking design simplifies maintenance in automation panels. It is well-suited for large motor feeders, pumps, and process line equipment in harsh industrial environments.
The breaker holds UL Listed, ANSI, CSA, KEMA Certified, Lloyd's Register Certified, ABS Certified, and DNV GL Certified statuses, along with CE Marking and NEMA Compliant/SABA Listed designations. This broad certification portfolio supports global procurement and regulatory compliance.
Benefits include reduced maintenance time due to rapid, safe racking and easier maintenance procedures, improved uptime from selective protection, and smoother commissioning with Power Xpert Protection Manager integration. Over the life of the installation, these factors translate to lower total cost of ownership and faster return on investment in high-demand industrial environments.