Eaton MPSC5N3WEAXXSW Magnum low-voltage power circuit breaker - UL Listed

Part Number: MPSC5N3WEAXXSW
MPSC5N3WEAXXSW
Manufacturer
Eaton
Part number
MPSC5N3WEAXXSW
Category

Quick Summary

Eaton Magnum low-voltage power circuit breaker protects motor feeders in harsh industrial environments. Engineers often face the challenge of selecting a device that meets high fault-current demands while remaining field-serviceable and easy to upgrade. This unit is UL Listed, CSA Certified, ANSI and CE marked, with additional NEMA compliance and CCC marking to support global installations. The combination of rugged performance, drawout vertical mounting, and compatibility with Magnum PXR protection strategies delivers reliable power protection, reduced downtime, and lower lifecycle costs for distribution panels and motor control centers.

Product Information

Extended Description

MPSC5N3WEAXXSW Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Double standard frame, 5000 A (AABBCC), 100 kA, Three-pole, Drawout vertical mounting, No trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPSC5N3WEAXXSW
UPC
786689631710
Product Length/Depth
16.3 in
Product Height
16.8 in
Product Width
31.1 in
Product Weight
237 lb
Compliances
CCC Marked NEMA Compliant SABA Listed CE Marked
Certifications
CSA Certified ANSI Lloyd's Register Certified UL Listed 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 - MPSC5N3WEAXXSW Eaton Specification Sheet - MPSC5N3WEAXXSW 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
The Magnum MPSC5N3WEAXXSW offers a three-pole design with drawout vertical mounting, delivering straightforward installation and maintenance in dense panel layouts. This configuration reduces outage risk during maintenance and speeds up replacement, boosting system uptime and overall plant availability. The 5000 A frame (AABBCC) and 100 kA interrupting capacity provide robust fault protection for motor feeders and critical loads, leading to improved safety margins and reduced arc energy exposure. With no trip unit installed at purchase, it offers field upgrade flexibility to add Power Xpert Release trip units as needs evolve, aligning with evolving protection schemes and standards while controlling upfront costs. Exact dimensions (16.3 in depth, 16.8 in height, 31.1 in wide) and a weight of 237 lb enable precise space planning and mechanical fit in large distribution assemblies. Certifications including UL Listed, CSA Certified, ANSI, Lloyd's Register, CE Marked, and NEMA compliance support global compliance and project acceptance, reducing procurement risk. Zone selective interlocking and compatible application notes (see downloads) enhance selective coordination and arc-flash mitigation in complex facilities, a practical advantage for data centers and process industries. The unit’s documentation set and manuals support quick start, preventing common misconfigurations during commissioning, maintenance, and upgrades, while compatibility with Magnum PXR protection ecosystems ensures long-term interoperability.

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FAQs

The MPSC5N3WEAXXSW uses a drawout vertical mounting design that integrates smoothly into Eaton Magnum panels and compatible enclosures. It supports field upgrades with Magnum PXR trip units, enabling seamless extension of protection schemes. When pairing with non-Eaton components, verify mechanical fit, busbar alignment, and panel compatibility to ensure proper clearance and safe maintenance access.
Key specs include a three-pole configuration with a 16.3 in depth, 16.8 in height, and 31.1 in width, weight around 237 lb, 5000 A frame (AABBCC), and 100 kA interrupting capacity. Catalog number is MPSC5N3WEAXXSW, UPC 786689631710, and it is rated for drawout mounting with no trip unit installed at purchase.
This unit is UL Listed and CSA Certified, with ANSI and Lloyd's Register certifications, CE Marked, and NEMA compliant, plus CCC marking. These certifications support regulatory compliance across North America, Europe, and other regions, facilitating project approvals and reducing risk during procurement and installation.
Ideal for motor feeders, distribution panels, and process lines in manufacturing, mining, and heavy industry. Its high fault-current capability and drawout design support high-demand applications with demanding start/stop cycles. Zone selective interlocking documentation and application notes provide practical guidance for selective coordination in complex facilities.
Expect reduced downtime due to field serviceability and the option to upgrade with Magnum PXR trip units as protection needs evolve. The unit’s robust ratings help extend replacement intervals, while the availability of Zone Selective Interlocking resources improves coordination and reduces arc flash risk, contributing to lower total cost of ownership over the asset life.