Eaton MPSC404WEAXX2Q Magnum LV Breaker - UL Listed

Part Number: MPSC404WEAXX2Q
MPSC404WEAXX2Q
Manufacturer
Eaton
Part number
MPSC404WEAXX2Q
Category

Quick Summary

Eaton Magnum low voltage power circuit breaker protects industrial feeders in control panels and switchgear. This device is designed to reduce downtime by delivering reliable, predictable tripping and simplified coordination in demanding environments. The unit carries UL Listed, CSA Certified, and CE Marked approvals, with additional NEMA compliance to fit North American and global installations. Its drawout vertical mounting and Power Xpert Release compatible trip unit enable seamless integration with modern protection management systems. For design engineers, this means fewer compatibility gaps, easier procurement, and stronger project timelines while maintaining safety and compliance across the lifecycle of the installation.

Product Information

Extended Description

MPSC404WEAXX2Q Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Double standard frame, 4000 A (NNABCABC), 100 kA, Four-pole, Drawout vertical mounting, PXR25 LSIAM trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPSC404WEAXX2Q
UPC
786689633813
Product Length/Depth
16.3 in
Product Height
16.8 in
Product Width
44.1 in
Product Weight
319 lb
Compliances
SABA Listed CE Marked CCC Marked NEMA Compliant
Certifications
ANSI CSA Certified UL Listed Lloyd's Register Certified KEMA 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 - MPSC404WEAXX2Q Eaton Specification Sheet - MPSC404WEAXX2Q 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 → Business Impact → Application: Four-pole, drawout vertical mounting enables straightforward installation in compact panels and switchgear, reducing field wiring errors and downtime during swaps. This translates to faster maintenance windows and improved workflow in motor control centers and industrial drives. Feature → Business Impact → Application: PXR25 LSIAM trip unit provides precise overcurrent protection with adjustable curves, improving coordination with downstream devices and reducing nuisance trips in complex feeder networks. Application includes large MCCs and critical protection schemes where reliability and selectivity are paramount. Feature → Business Impact → Application: 4000 A current rating with 100 kA short-circuit capacity delivers robust fault current handling, limiting equipment damage and enabling safer startup sequences in high-demand lines such as stamping presses and process lines. Feature → Business Impact → Application: Double standard frame and modular design streamline retrofits in legacy installations, supporting phased upgrades without extensive panel rewiring. Feature → Business Impact → Application: Zone selective interlocking and comprehensive documentation support, including application papers and guides, improve system coordination and ease of commissioning in automated plants. Feature → Business Impact → Application: Compatibility with Power Xpert Protection Manager and related software reduces engineering time for protection schemes and accelerates remote monitoring across multiple sites, enhancing ROI and uptime in distributed manufacturing environments.

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FAQs

The MPSC404WEAXX2Q uses a drawout vertical mounting and is a four-pole design, optimized for rapid installation in control panels, motor control centers, and switchgear. This configuration supports straightforward maintenance and precise phase isolation, reducing wiring errors and downtime during upgrades or replacements.
Equipped with the PXR25 LSIAM trip unit, the breaker offers adjustable protection curves and precise overcurrent coordination with downstream devices. This improves selective protection in feeders and MCCs, minimizing nuisance trips while maintaining safety during startup and fault events.
Yes. The MPSC404WEAXX2Q is UL Listed, CSA Certified, and CE Marked. It also carries NEMA compliance and other certifications (Lloyd's Register, KEMA, DNV GL, ABS) that support global applicability and regulatory alignment for industrial installations.
The unit measures 16.3 inches in length, 16.8 inches in height, and 44.1 inches in width, with a weight of 319 pounds. Plan for a robust mounting cavity and service clearance to accommodate the drawout mechanism and wiring access during commissioning and maintenance.
Ideal for control panels, MCCs, and switchgear in industrial settings, including high-demand lines and automated processes. Its high short-circuit rating, advanced protection with PXR25, and compatibility with protection software reduce downtime, improve coordination, and lower lifecycle costs through extended equipment life and easier field service.