Eaton MPSC404VEAXXSW Magnum low-voltage breaker - 100 kAIC
Part Number: MPSC404VEAXXSW
Quick Summary
Eaton Magnum low voltage power circuit breaker protects large feeders in demanding industrial environments. Engineers often wrestle with nuisance trips, poor coordination with upstream devices, and costly downtime. This four-pole Magnum PXR frame ships without a trip unit, yet is designed to be paired with Magnum PXR protection units and carries UL Listed, CE Marked, and NEMA Compliant approvals to support global deployments. Built for power distribution panels and switchgear, it delivers robust protection while enabling scalable protection schemes and streamlined procurement for enterprise-grade installations.
Product Information
Extended Description
MPSC404VEAXXSW Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Double standard frame, 4000 A (NNABCABC), 100 kA, Four-pole, Fixed vertical mounting, No trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPSC404VEAXXSW
UPC
786689633325
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 NEMA Compliant CCC Marked
Certifications
KEMA Certified Lloyd's Register Certified UL Listed ANSI CSA Certified ABS Certified DNV GL Certified
Frame
Double standard
Number of poles
Four-pole
Type
Magnum PXR
Frame
Double standard
Series
Magnum
Number of poles
Four-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 - MPSC404VEAXXSW
Eaton Specification Sheet - MPSC404VEAXXSW
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: High current capacity and interrupt rating. Benefit: Ensures reliable protection during short-circuit events, reducing equipment damage and downtime. Application: Large plant feeders and switchgear where 4000 A Iu and 100 kAIC are required. Feature: Four-pole, double standard frame with fixed vertical mounting. Benefit: Simplifies installation, improves mechanical stability, and aligns with standard bus-bar layouts. Application: Industrial panels and control enclosures needing robust, space-efficient protection. Feature: No trip unit included; accepts Magnum PXR trip units. Benefit: Enables tailored protection coordination and cost control by selecting the exact trip unit needed. Application: Projects requiring precise protection curves and upgrade paths. Feature: Global certifications and compliances (UL Listed, CE Marked, NEMA Compliant, SABA Listed, ANSI/CSA). Benefit: Validates cross-market compliance, speeds code approvals, and reduces engineering overhead. Application: Global manufacturing sites and panel shops needing unified standards. Feature: Heavy-duty frame and dimensions (16.3 in L x 16.8 in H x 44.1 in W; 319 lb). Benefit: Durable construction supports high-inertia breakers in demanding environments; imparts predictable performance over time. Application: Large switchgear, industrial feeders, and distribution assemblies.
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FAQs
This unit uses fixed vertical mounting and ships without a trip unit. It is designed to be paired with Magnum PXR trip units to deliver customized protection and coordination in panelboards and switchgear.
The breaker provides a rated Iu of 4000 A and an interrupt rating of 100 kAIC, with four poles in a double standard frame for demanding, high-current applications.
Ideal for large plant feeders, power distribution panels, and switchgear where high fault current protection and robust mechanical design are essential, especially when paired with Magnum PXR protection units.
It is UL Listed, CE Marked, NEMA Compliant, and also SABA Listed, with additional approvals from ANSI CSA and others listed in its technical documentation.
Eaton provides a range of downloads including specification sheets, time-current curves, user guides, and renewal parts catalogs to support installation, commissioning, and ongoing maintenance.