Eaton MPSC4N3VEAXXSW Magnum low voltage power circuit breaker - 100 kAIC

Part Number: MPSC4N3VEAXXSW
MPSC4N3VEAXXSW
Manufacturer
Eaton
Part number
MPSC4N3VEAXXSW
Category

Quick Summary

Magnum low voltage power circuit breaker by Eaton protects electrical distribution in industrial facilities and data centers, delivering fault isolation. Engineers often struggle with coordinating protection across large panels, leading to slower fault clearance and increased downtime. This unit carries CE Marked, UL Listed, CSA Certified certifications along with SABA Listed and NEMA Compliant status, supporting global project requirements and streamlined approvals. In complex environments, its robust frame and high current capability translate into reliable protection with scalable PXR compatibility, reducing spare parts and simplifying procurement while maintaining strict regulatory alignment for power distribution systems.

Product Information

Extended Description

MPSC4N3VEAXXSW Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Double standard frame, 4000 A (AABBCC), 100 kA, Three-pole, Fixed vertical mounting, No trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPSC4N3VEAXXSW
UPC
786689633202
Product Length/Depth
16.3 in
Product Height
16.8 in
Product Width
31.1 in
Product Weight
237 lb
Compliances
SABA Listed CCC Marked CE Marked NEMA Compliant
Certifications
CSA Certified Lloyd's Register Certified ANSI UL Listed KEMA Certified ABS Certified DNV GL Certified
Frame
Double standard
Number of poles
Three-pole
Type
Magnum PXR
Frame
Double standard
Series
Magnum
Number of poles
Three-pole
Rated uninterrupted current (Iu)
4000 A
Interrupt rating
100 kAIC
Interrupt rating
100 kAIC
Rated uninterrupted current (Iu)
4000 A
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 - MPSC4N3VEAXXSW Eaton Specification Sheet - MPSC4N3VEAXXSW 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 MPSC4N3VEAXXSW features a three-pole, fixed vertical mounting within a double standard frame, delivering strong mechanical stability and straightforward installation in space-constrained enclosures. This directly improves panel assembly efficiency and ensures predictable fault isolation, minimizing production downtime in manufacturing lines. With a rated uninterrupted current of 4000 A and an interrupt rating of 100 kAIC, it supports high fault-current scenarios typical of large switchgear, reducing the risk of cascading outages and easing coordination with upstream protection devices. Although the unit ships without a trip unit, it is designed for seamless compatibility with Power Xpert Release trip units, giving engineers the flexibility to tailor protection to application specifics and asset criticality. The device’s dimensions—length 16.3 in, height 16.8 in, width 31.1 in—and weight of 237 lb reflect a compact yet rugged footprint suitable for demanding environments, improving installation predictability. Certifications including UL Listed, CE Marked, CSA Certified, SABA Listed, CCC Marked, and NEMA Compliant provide multi-region compliance, supporting global projects and reducing regulatory risk. Combined with industry-standard maintenance practices, this breaker offers lower total cost of ownership through longer service intervals and readily available renewal parts, helping OEMs and end users align with uptime targets and ROI goals.

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FAQs

The MPSC4N3VEAXXSW is a three-pole breaker with fixed vertical mounting and a double standard frame. This configuration provides stable installation in vertical enclosures and simplifies alignment within multi-panel layouts, reducing installation time and ensuring consistent performance across assemblies.
No trip unit is included with this model. It is designed for compatibility with Power Xpert Release trip units, allowing you to select and install the appropriate protection scheme for your application while keeping inventory lean and procurement straightforward.
Key ratings include rated uninterrupted current (Iu) of 4000 A and an interrupt rating of 100 kAIC. Physical dimensions are 16.3 in depth, 16.8 in height, and 31.1 in width, with a weight around 237 lb. These specs help determine enclosure fit, mounting clearances, and alignment with neighboring devices in the panel.
The breaker carries UL Listed, CE Marked, CSA Certified, SABA Listed, CCC Marked, and NEMA Compliant certifications, along with additional registrations such as Lloyd’s Register and ANSI where applicable. These credentials support regulatory acceptance across regions and reduce the need for requalification in multinational projects.
Selecting this Magnum breaker offers high fault-current protection, regional certifications for international deployment, and PXR compatibility for future retrofit needs. The combination reduces downtime risk, streamlines procurement, and supports longer service intervals, contributing to lower total cost of ownership and faster ROI in critical power distribution applications.