Eaton MPSC403HEAXX2H Magnum low-voltage CB - UL Listed

Part Number: MPSC403HEAXX2H
MPSC403HEAXX2H
Manufacturer
Eaton
Part number
MPSC403HEAXX2H
Category

Quick Summary

Eaton Magnum low-voltage circuit breaker protects critical feeders in industrial MCCs and switchgear. This model addresses nuisance trips and coordination challenges by leveraging a dedicated PXr20 LSIAM trip unit for selective protection. It carries UL Listed, CE Marked, and CSA Certified approvals, plus ANSI/NEMA compatibility for broad, multi-market deployment. With a robust 4000 A frame and 100 kA short-circuit rating, it delivers reliable, synchronized protection while reducing downtime and maintenance costs. This combination of protection intelligence, global compliance, and install-ready design translates to measurable, real-world business value for panel builders and plant operators alike.

Product Information

Extended Description

MPSC403HEAXX2H Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Double standard frame, 4000 A (ABCABC), 100 kA, Three-pole, Fixed horizontal mounting, PXR20 LSIAM trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPSC403HEAXX2H
UPC
786689634391
Product Length/Depth
16.3 in
Product Height
16.8 in
Product Width
31.1 in
Product Weight
237 lb
Compliances
CCC Marked CE Marked NEMA Compliant SABA Listed
Certifications
Lloyd's Register Certified ANSI CSA 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 - MPSC403HEAXX2H Eaton Specification Sheet - MPSC403HEAXX2H 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: Power Xpert Release PXr20 LSIAM trip unit provides precise, adjustable protection and selective coordination → Business Impact: reduces nuisance trips and improves service continuity, enabling tighter coordination with downstream protection devices in complex switchgear → Application: ideal for large motor feeders and critical distribution panels. Feature: 4000 A frame with 100 kA short-circuit rating → Business Impact: withstands high-energy faults without unnecessary trips, enhancing system reliability and reducing costly downtime → Application: main feeders and bus-tbar sections in heavy industrial equipment. Feature: Three-pole, fixed horizontal mounting → Business Impact: straightforward installation with robust mechanical stability, shortening commissioning time and improving panel density → Application: common in centralized power distribution cabinets and process panels. Feature: Double standard frame design → Business Impact: improves retrofit flexibility and compatibility with existing Magnum/PIXR ecosystems, lowering replacement risk and spare part needs → Application: retrofits and upgrades in legacy installations. Feature: Comprehensive compliance footprint including UL Listed, CE Marked, and CSA Certified → Business Impact: simplifies cross-border deployments and procurement, reducing compliance overhead and audit findings → Application: global manufacturing sites and multi-market projects. Feature: Documentation and downloadable resources from Eaton, including selective coordination and protection manager guides → Business Impact: accelerates engineering workflows, improves training, and supports lifecycle management → Application: project design, commissioning, and ongoing maintenance.

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FAQs

This breaker features a three-pole, fixed horizontal mounting with a double standard frame, ensuring straightforward installation into standard Magnum/MXR style panels. Verify cabinet clearance and mounting rails, then confirm the catalog number MPSC403HEAXX2H and trip unit PXr20 LSIAM are compatible with your protection scheme and downstream devices to ensure seamless retrofit.
The PXR20 LSIAM trip unit coordinates with upstream and downstream devices to minimize nuisance trips while preserving selective protection. The 100 kA short-circuit rating (SCCR) and 4000 A frame provide robust fault withstand, enabling reliable operation for high-energy faults commonly seen on feeders feeding motors and large loads.
Yes. Its three-pole, fixed horizontal mounting fits standard MCCs and distribution panels. The Magnum design, combined with PXr20 protection, supports motor protection, nuisance-trip reduction, and coordinated protection across compartments, making it well-suited for motor control centers and large distribution assemblies.
The unit is UL Listed, CE Marked, and CSA Certified, with ANSI/NEMA compatibility. Additional certifications such as NEMA compliance and other approvals are listed in accompanying documentation, ensuring broad regulatory acceptance across major markets and aiding cross-border procurement.
Eaton provides application notes, product guides, and protection manager software (Power Xpert Protection Manager) to streamline configuration and monitoring. Reference documents include zone selective interlocking papers, maintenance guides, and renewal parts catalogs to support commissioning, preventive maintenance, and lifecycle cost reduction.