Eaton MPSC4N4WEAXX2S Magnum low voltage power circuit breaker - 100 kA PXR25 LSIGAM trip unit

Part Number: MPSC4N4WEAXX2S
MPSC4N4WEAXX2S
Manufacturer
Eaton
Part number
MPSC4N4WEAXX2S
Category

Quick Summary

The Eaton Magnum low voltage power circuit breaker protects electrical distribution systems in industrial control panels and motor control centers. Engineers face challenges balancing protection, selectivity, and maintenance in demanding environments. With CE Marked, UL Listed, and CSA Certified approvals, plus Lloyd's Register and DNV GL attestations, it supports global deployments. Its drawout vertical mounting and PXR25 LSIGAM trip unit enable fast upgrades, straightforward commissioning, and reliable coordination, reducing downtime. The combination of a 100 kA interrupting rating and a 4000 A frame rating translates to robust protection for critical loads, while comprehensive documentation and cross-product compatibility streamline procurement and spares management. This approach delivers improved reliability, lower maintenance costs, and faster time-to-value for industrial power distribution projects.

Product Information

Extended Description

MPSC4N4WEAXX2S Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Double standard frame, 4000 A (NNAABBCC), 100 kA, Four-pole, Drawout vertical mounting, PXR25 LSIGAM trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPSC4N4WEAXX2S
UPC
786689634827
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 CE Marked NEMA Compliant
Certifications
ANSI UL Listed KEMA Certified CSA Certified Lloyd's Register 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 - MPSC4N4WEAXX2S Eaton Specification Sheet - MPSC4N4WEAXX2S 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
Four-pole, drawout vertical mounting paired with the PXR25 LSIGAM trip unit is a core feature of the MPSC4N4WEAXX2S. This configuration enables precise protection, straightforward maintenance, and rapid replacement without bus bar rework. In industrial MCCs and panelboards, this setup supports reliable selective coordination and clean fault isolation. High interrupting rating of 100 kA and a large 4000 A frame deliver robust short-circuit protection for critical loads, minimizing arc energy and reducing system downtime during faults while enabling simpler coordination with adjacent devices. UL Listed, CSA Certified, KEMA, Lloyd's Register, DNV GL, and ABS certifications, plus CE Marking, ensure global compliance and ease cross-border installations across multiple markets. Power Xpert Release trip units enable advanced protection features, easy upgrades, and compatibility with Protection Manager software for intelligent coordination. Its proven drawout design and standard dimensions simplify panel integration and spare-part provisioning, accelerating commissioning and future upgrades. Eaton provides extensive documentation, application notes, and guides to support field engineers, zone selective interlocking studies, and best-practice maintenance planning.

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FAQs

The MPSC4N4WEAXX2S is designed for drawout vertical mounting in standard low-voltage panels. Ensure the enclosure supports four-pole drawout devices, align busbars correctly, and follow Eaton’s mounting torque and trip-unit connection guidelines for the PXR25 LSIGAM. The modular design streamlines removal and replacement during maintenance while preserving existing coordination with adjacent protective devices.
Key specs include a 4000 A frame with a 100 kA interrupting rating, four-pole configuration, catalog number MPSC4N4WEAXX2S, and dimensions of 16.3 in depth, 16.8 in height, and 44.1 in width with a 319 lb weight. It uses the PXR25 LSIGAM electronic trip unit and is suitable for high-demand industrial applications requiring precise protection and coordination.
Yes. With its four-pole, drawout design and PXR trip unit, the MPSC4N4WEAXX2S fits motor control centers and panelboards requiring reliable protection and coordination. Its high interrupting rating and robust construction make it well-suited for demanding environments, while Eaton’s extensive technical documentation supports proper selection, installation, and commissioning in industrial facilities.
The breaker is CE marked and UL Listed, with CSA, KEMA, Lloyd's Register, DNV GL, and ABS certifications. It also features SABA listing and NEMA compliance. These certifications support global manufacturing and multinational project deployments, helping streamline procurement, site acceptance testing, and regulatory compliance across regions.
Eaton provides extensive resources, including application notes, installation guides, and the Magnum/Power Xpert product aids. Quick Start Guides and the Power Xpert Protection Manager offer integration pathways for protection schemes, monitoring, and remote management. Access to zone selective interlocking papers and curated datasheets supports faster commissioning and measurable uptime improvements.