Eaton MPS8404WEAXX2F Magnum LV Breaker - UL Listed

MPS8404WEAXX2F
Manufacturer
Eaton
Part number
MPS8404WEAXX2F
Category

Quick Summary

Eaton Magnum low voltage power circuit breaker protects plant-wide power distribution and equipment by interrupting fault currents. Engineers often contend with nuisance trips and slow fault clearance that sap productivity and raise maintenance costs. This unit is UL Listed, CE Marked, and NEMA Compliant, with ANSI/CSA and third-party certifications for global use. With Power Xpert Release trip units and a rugged drawout vertical mounting option, it supports easy upgrades, faster service, and a lower total cost of ownership for industrial facilities.

Product Information

Extended Description

MPS8404WEAXX2F Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Double standard frame, 4000 A (NNABCABC), 85 kA, Four-pole, Drawout vertical mounting, PXR20 LSIGAM trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPS8404WEAXX2F
UPC
786689628581
Product Length/Depth
16.3 in
Product Height
16.8 in
Product Width
44.1 in
Product Weight
319 lb
Compliances
CCC Marked CE Marked NEMA Compliant SABA Listed
Certifications
ANSI CSA Certified Lloyd's Register Certified KEMA Certified UL Listed 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 - MPS8404WEAXX2F Eaton Specification Sheet - MPS8404WEAXX2F 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: Four-pole, 4000 A frame with 85 kA short-circuit withstand and a PXR20 LSIGAM trip unit. Business Impact: Delivers reliable interruption of substantial fault currents, minimizing equipment damage and unplanned downtime in heavy-load feeders. Application: Suitable for large plant feeders, motor-control centers, and process lines requiring robust protection and coordination. Feature: Drawout vertical mounting combined with a Magnum PXR frame. Business Impact: Simplifies breaker replacement and maintenance cycles, reducing downtime during inspections or upgrades. Application: Ideal for retrofit projects and retrofit-ready panels where serviceability is critical. Feature: Power Xpert Release trip unit compatibility. Business Impact: Enables advanced protection coordination, easier configuration, and integration with Power Xpert Protection Manager for centralized monitoring. Application: Best for facilities pursuing digital protection strategies and asset health tracking. Feature: Broad certifications and compliance. Business Impact: Supports regulatory approval across regional sites, minimizing compliance risk and audit findings. Application: Global operations in manufacturing, energy, and process industries. Feature: Documentation and workflow support. Business Impact: Access to application notes, data sheets, and curves accelerates engineering validation and reduces design risk. Application: Engineers benefit from ready-to-use coordination papers and TCC data for precise settings.

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FAQs

The MPS8404WEAXX2F uses a four-pole Magnum frame with drawout vertical mounting, designed for easy installation and replacement in standard low-voltage distribution panels. It is compatible with Power Xpert Release trip units (PXr20) for enhanced protection coordination and optional protection management integration.
This model offers a 4000 A frame rating with an 85 kA short-circuit withstand. It ships with the PXR20 LSIGAM trip unit option, and can be configured for selective protection schemes in line with Magnum PXR product family requirements.
Ideal for industrial power distribution, motor-control centers, and process plants requiring heavy fault protection and reliable coordination. The four-pole design, high interrupt rating, and rigid IP/compliance profile make it suitable for steel, manufacturing, chemical processing, and utilities-first infrastructure.
Certifications include UL Listed, CE Marked, and NEMA Compliant, with ANSI, CSA, Lloyd’s Register, KEMA, ABS, and DNV GL certifications documented for broad regulatory acceptance and global deployments.
Power Xpert Protection Manager enables remote monitoring, quick fault diagnosis, and streamlined settings, reducing diagnostic downtime and maintenance costs. The combination of reliable protection, easy maintenance, and extensive documentation lowers overall lifecycle costs and improves asset uptime.