Eaton MPSC403MEAXX2C Magnum low voltage power circuit breaker - UL Listed

Part Number: MPSC403MEAXX2C
MPSC403MEAXX2C
Manufacturer
Eaton
Part number
MPSC403MEAXX2C
Category

Quick Summary

Magnum low voltage power circuit breaker by Eaton protects industrial electrical distributions in panels and machinery. When downtime hits, maintenance must be quick and predictable, and this unit’s drawout vertical design with motorized racking simplifies servicing while reducing exposure to live components. UL Listed, CE Marked, and CSA/ANSI certifications provide global compliance and reliability for installations in harsh industrial environments. Designed for panel builders and machine integrators, it also pairs with Power Xpert Release trip units to support advanced protection strategies and easier remote configuration, delivering real business value through safer operation and lower total cost of ownership.

Product Information

Extended Description

MPSC403MEAXX2C 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 LSIG trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPSC403MEAXX2C
UPC
786689634568
Product Length/Depth
16.3 in
Product Height
16.8 in
Product Width
31.1 in
Product Weight
237 lb
Compliances
CE Marked CCC Marked NEMA Compliant SABA Listed
Certifications
UL Listed CSA Certified KEMA Certified ANSI Lloyd's Register 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 - MPSC403MEAXX2C Eaton Specification Sheet - MPSC403MEAXX2C 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 with motorized racking mounting enables rapid maintenance and safer servicing, reducing downtime and labor costs while improving panel uptime in manufacturing lines. The Power Xpert Release (PXR20) LSIG trip unit delivers precise overcurrent protection and coordination, supporting selective protection schemes that minimize arc energy and maximize equipment availability in process automation applications. With a 4000 A (ABCABC) frame and 100 kA interrupting capacity, this breaker provides robust fault handling for demanding systems, improving reliability and reducing nuisance tripping. The three-pole, double standard frame design simplifies integration into existing panels and supports scalable protection strategies, while standard Eaton documentation and compatibility with Protection Manager streamline engineering and commissioning. Global certifications (UL, CSA, ANSI, CE) reassure compliance across regions, helping drive faster project approvals and safer installations.

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FAQs

Yes. The MPSC403MEAXX2C uses a drawout vertical frame with motorized racking mounting, enabling quick, safe removal and reinstallation in control panels. This design minimizes exposure to live parts during servicing and supports remote rack-and-install workflows when paired with compatible protection management tools, reducing maintenance time and improving panel uptime.
The MPSC403MEAXX2C is a three-pole device rated for up to 4000 A (ABCABC) with a 100 kA short-circuit rating. It carries UL Listed, CSA Certified, ANSI, Lloyd's Register, DNV GL, and ABS certifications, along with CE Marking and CCC compliance, ensuring broad regulatory acceptance and suitability for global deployments.
This breaker excels in industrial power distribution within manufacturing lines, process automation, and machine control panels. Its drawout mounting, motorized racking, and PXR20 LSIG protection support scalable, coordinated protection schemes, enabling reliable operation in harsh environments while simplifying maintenance and regulatory compliance.
Ensure proper space for drawout operation and motorized racking clearance, verify panel compatibility with a double standard frame, and connect the PXR20 LSIG trip unit per Eaton’s Quick Start guidelines. Confirm regional certifications are applicable, and integrate with Protection Manager for remote monitoring to maximize availability and simplify future upgrades.
The PXR20 LSIG trip unit provides precise current protection and selective coordination, reducing nuisance trips and arc energy. Its compatibility with Protection Manager enables remote configuration and fault analysis, accelerating maintenance response times and supporting energy-efficient protection strategies, which collectively lower operating costs and increase system uptime.