Eaton Magnum low voltage power circuit breaker MPSC4A4MEAXX2A - UL Listed 100 kA

Part Number: MPSC4A4MEAXX2A
MPSC4A4MEAXX2A
Manufacturer
Eaton
Part number
MPSC4A4MEAXX2A
Category

Quick Summary

Eaton Magnum low voltage power circuit breaker is a robust protection device designed for industrial panels and motor-driven applications. This solution helps minimize unplanned downtime by providing reliable short-circuit and overload protection in demanding environments. It carries CE Marked, UL Listed, and CSA Certified statuses, reinforcing global compliance for safety and performance. By leveraging the Power Xpert Release (PXR20) trip unit and a motorized drawout racking design, this breaker delivers efficient maintenance, precise coordination, and improved asset protection—critical for modern manufacturing and heavy industry workflows.

Product Information

Extended Description

MPSC4A4MEAXX2A Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Double standard frame, 4000 A (NABCNABC), 100 kA, Four-pole, Drawout vertical with motorized racking mounting, PXR20 LSI trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPSC4A4MEAXX2A
UPC
786689634278
Product Length/Depth
16.3 in
Product Height
16.8 in
Product Width
44.1 in
Product Weight
319 lb
Compliances
CE Marked NEMA Compliant SABA Listed CCC Marked
Certifications
Lloyd's Register Certified UL Listed KEMA Certified ANSI CSA 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 - MPSC4A4MEAXX2A Eaton Specification Sheet - MPSC4A4MEAXX2A 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
Feature: Drawout vertical with motorized racking mounting. Business impact: Safer maintenance, faster replacement, and reduced lockout/tagout time during routine service. Application: Control panels and switchgear in automotive, packaging, and material handling lines. Feature: Four-pole design with a 4000 A (NABCNABC) bus rating. Business impact: Enhanced fault current handling and upstream coordination for large motors and feeders. Application: Heavy load feeders in process lines and packaging equipment. Feature: 100 kA interrupting rating. Business impact: Superior fault clearance capability reducing arc energy exposure and potential collateral damage. Application: High-current motor drives and critical power distribution. Feature: PXR20 LSI trip unit. Business impact: Precision protection with zone-selective interlocking and protection management, enabling faster diagnostics and reduced nuisance tripping. Application: Modern smart panels and facilities implementing Power Xpert Protection Manager. Feature: Drawout/monolithic frame withا double standard frame and motorized racking. Business impact: Flexible installation options, scalable protection schemes, and simplified upgrade paths. Application: Industrial automation and OEM panel builds requiring adaptable protection architecture. Feature: Compliance and certifications integration. Business impact: Ensures regulatory alignment (CE, UL, CSA) and third-party safety assurances, lowering project risk and accelerating procurement. Application: Global facilities needing standardized safety and performance benchmarks.

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FAQs

Yes. The MPSC4A4MEAXX2A uses the Power Xpert Release (PXR20) trip unit which is designed to work with Eaton's Power Xpert Protection Manager. For streamlined setup, reference the Magnum PXR product aids and Quick Start Guides to configure protection settings, interlocks, and event logging. Ensure panel compatibility with drawout vertical mounting and motorized racking during installation.
Key specs include a four-pole configuration, 4000 A NABCNABC bus rating, 100 kA interrupting capacity, and a motorized drawout racking arrangement. The unit is UL Listed and CE Marked, with CSA certification, making it suitable for global industrial applications and demanding protection coordination in motor feeders.
Yes. With its 100 kA interrupting rating and 4000 A bus rating, the breaker supports high-current fault scenarios common in pumps and large motor drives. The PXR20 LSI trip unit provides precise coordination, reducing nuisance trips and enabling selective protection, which helps minimize downtime in critical production lines.
Eaton provides dedicated renewal parts and maintenance literature for Magnum PXR breakers, including renewal parts catalogs and application papers. Helpful references include the Magnum renewal parts technical data sheet and application notes such as zone selective interlocking guidance, which support long-term reliability and lifecycle cost reduction.
The unit measures 16.3 in (depth) × 16.8 in (height) × 44.1 in (width) and weighs 319 lb. This footprint informs panel space planning and rack mounting. The drawout vertical design with motorized racking simplifies maintenance access and replacement, reducing field labor time and improving safety during service.