Eaton MPSC4N3MEAXX2Q Magnum LV Circuit Breaker - UL Listed

Part Number: MPSC4N3MEAXX2Q
MPSC4N3MEAXX2Q
Manufacturer
Eaton
Part number
MPSC4N3MEAXX2Q
Category

Quick Summary

Magnum LV circuit breaker MPSC4N3MEAXX2Q protects electrical distribution panels and motor circuits. Engineers face downtime when protection devices trip late or require complex maintenance, cutting into production time. UL Listed, CSA Certified, and CE Marked, this unit meets global safety and performance standards for industrial environments. By combining a drawout vertical design with motorized racking mounting and the PXR25 LSIAM trip unit, it enables faster installation, precise fault isolation, and better coordination with upstream protection. This translates into reduced commissioning time, easier field upgrades, and lower lifecycle costs, helping maintenance teams and procurement strategists plan with confidence.

Product Information

Extended Description

MPSC4N3MEAXX2Q Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Double standard frame, 4000 A (AABBCC), 100 kA, Three-pole, Drawout vertical with motorized racking mounting, PXR25 LSIAM trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPSC4N3MEAXX2Q
UPC
786689633189
Product Length/Depth
16.3 in
Product Height
16.8 in
Product Width
31.1 in
Product Weight
237 lb
Compliances
CCC Marked SABA Listed NEMA Compliant CE Marked
Certifications
UL Listed CSA Certified KEMA Certified Lloyd's Register Certified ANSI 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 - MPSC4N3MEAXX2Q Eaton Specification Sheet - MPSC4N3MEAXX2Q 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
High interrupting capacity and robust frame: The Magnum MPSC4N3MEAXX2Q is built around a 4000 A frame and offers up to a 100 kA short-circuit rating. Business impact: protects large motor loads and minimizes damage during faults, reducing unplanned downtime. Application: suitable for heavy-duty manufacturing lines, process plants, and utility feeders. Drawout vertical with motorized racking mounting: Enables rapid maintenance and safer component replacement in confined switchgear spaces. Business impact: minimizes manual handling risk and accelerates maintenance windows. Application: ideal for panel assemblies in process and discrete manufacturing environments. PXR25 LSIAM trip unit: Delivers advanced protection, adjustable trip curves, and improved coordination with upstream devices. Business impact: enhances selective coordination and downstream protection, lowering nuisance trips and energy losses. Application: aligns with modern power management schemes for complex distributions. Compliance and certifications: UL Listed, CSA Certified, and CE Marked provide regulatory assurance across multiple regions. Business impact: simplifies audits, enables global procurement, and supports long-term serviceability. Application: suitable for multicountry projects and standardized plant design. Dimensional and installation compatibility: The unit’s drawout design and mounting footprint align with Magnum frames, facilitating retrofit and upgrade paths. Business impact: reduces installation time and project risk. Application: retrofits in existing LV panels without major enclosure changes. Lifecycle and maintenance: Access to renewal parts and diagnostic resources supports predictable maintenance cycles and lower total cost of ownership. Application: industrial facilities seeking sustained asset performance and uptime.

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FAQs

The MPSC4N3MEAXX2Q is designed for Magnum frame assemblies with a drawout vertical design and motorized racking, enabling drop-in compatibility in many existing LV panels. It supports standard mounting dimensions, and benefits from the PXR trip unit integration for orderly retrofits. Verify panel clearance and racking space prior to replacement to minimize downtime.
Key specs include a 3-pole configuration, 100 kA interrupting rating, and a 4000 A frame. The unit is rated for drawout vertical mounting with a motorized racking system and utilizes the PXR25 LSIAM trip unit for adjustable protection. Dimensions are approximately 16.3 in (depth) x 16.8 in (height) x 31.1 in (width), with a weight around 237 lb.
Yes. The Magnum PXR trip unit supports selective coordination strategies when paired with upstream protection devices. For best results, consult selective coordination papers and ensure proper curve settings, device ratings, and coordination studies. The system is designed to help minimize nuisance tripping while protecting critical loads downstream.
This model is UL Listed, CSA Certified, and CE Marked, with additional compliance documentation such as CCC Marked and other regional certifications. These certifications support global installation and regulatory compliance across manufacturing, energy, and infrastructure sectors.
The unit’s motorized racking reduces maintenance labor and handling risk, while PXR-based protection simplifies field diagnostics and upgrades. Availability of renewal parts and compatibility with Power Xpert tools helps shorten downtime, improve uptime metrics, and lower total cost of ownership through predictable maintenance and easier sourcing.