Eaton MPS8404WEAXX2Q Magnum Breaker - PXR25 LSIAM Trip Unit

MPS8404WEAXX2Q
Manufacturer
Eaton
Part number
MPS8404WEAXX2Q
Category

Quick Summary

Eaton Magnum low voltage power circuit breaker protects motor and panel busses in industrial electrical distributions. Users often struggle with miscoordination, downtime, and maintenance costs when selecting a compatible trip unit for evolving loads. Approved to UL Listed and CE marked standards, with Lloyd's Register and CSA certifications for reliability in challenging environments. This combination supports safer installations, regulatory compliance, and faster maintenance planning for OEMs and maintenance teams. Engineered for compatibility with Power Xpert Release trip units and vertical, drawout mounting, it reduces installation time and enables scalable protection in factory automation and power distribution.

Product Information

Extended Description

MPS8404WEAXX2Q Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Double standard frame, 4000 A (NNABCABC), 85 kA, Four-pole, Drawout vertical mounting, PXR25 LSIAM trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPS8404WEAXX2Q
UPC
786689628604
Product Length/Depth
16.3 in
Product Height
16.8 in
Product Width
44.1 in
Product Weight
319 lb
Compliances
CCC Marked SABA Listed NEMA Compliant CE Marked
Certifications
Lloyd's Register Certified ANSI UL Listed CSA Certified KEMA 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 - MPS8404WEAXX2Q Eaton Specification Sheet - MPS8404WEAXX2Q 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: PXR25 LSIAM trip unit delivers precise protection with configurable long-time, short-time, and instantaneous trips. Business Impact: enhances selective coordination and minimizes nuisance trips, reducing wear on motors and electrical assets. Application: ideal for feeders and motor control centers in manufacturing and process environments where load profiles are dynamic. The trip unit integrates with Power Xpert Protection Manager, enabling diagnostics, event logging, and faster fault isolation for maintenance planning. Feature: four-pole frame rated for 4000 A with 85 kA short-circuit withstand. Business Impact: delivers robust protection for large drives and critical loads, lowering the risk of costly equipment damage. Application: fits high-demand panels and distribution assemblies in industrial facilities; supports scalable protection as lines expand. The drawout vertical mounting simplifies installation and replacement, reducing commissioning time and lifting requirements during cabinet upgrades. Feature: Magnum design with a double-standard frame and drawout vertical mounting for space efficiency and serviceability. Business Impact: minimizes footprint in crowded switchgear rooms while keeping maintenance straightforward. Application: ideal for OEM skids and retrofit projects where standardization accelerates deployment and reduces spare-part complexity. Feature: Broad certifications and compliance package including UL Listed, CSA Certified, CE Marked, Lloyd's Register, and others. Business Impact: ensures regulatory readiness across North America and international sites, easing procurement, warranty coverage, and cross-border projects. Application: supports data centers, metals, chemical processing, and other heavy industries demanding rigorous standards. Feature: comprehensive installation and support resources such as product literature and Quick Start guides for Protection Manager. Business Impact: lowers training time, improves configuration consistency, and shortens time-to-value for maintenance teams. Application: suitable for enterprises pursuing rapid commissioning and predictable total cost of ownership in large-scale electrical distributions.

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FAQs

This model uses a drawout vertical mounting arrangement with a four-pole, 16.3 in depth profile and 44.1 in width, designed to drop into standard Magnum enclosures. It preserves bus alignment and minimizes retrofit work, enabling fast swaps and service access without disturbing adjacent equipment.
The PXR25 LSIAM trip unit provides configurable long-time, short-time, and instantaneous protection, enabling precise selectivity among feeders and motors. This reduces nuisance trips, protects equipment from short circuits, and supports diagnostics via Power Xpert Protection Manager for proactive maintenance.
The breaker is UL Listed and CE marked, with CSA, Lloyd's Register, KEMA, ABS, DNV GL, and other certifications. This broad certification portfolio supports compliance across North American and international sites, simplifying procurement and installation in multinational facilities.
With a robust 85 kA interrupting capacity and a 4000 A frame, it withstands high fault currents and reduces downtime. Integrated with Power Xpert Protection Manager, it enables faster fault diagnostics and planning, lowering maintenance labor costs and extending equipment life across critical production lines.
The unit provides 85 kA short-circuit withstand and is designed for drawout vertical mounting in Magnum frames. This combination supports easy replacement, scalable protection for expanding plants, and compatibility with existing cabinets and bus systems in large-scale electrical installations.