Eaton MPSC403VEAXX2Q Magnum low voltage power circuit breaker - 100 kA
Part Number: MPSC403VEAXX2Q
Quick Summary
Eaton Magnum low voltage power circuit breaker protects motor and distribution circuits by interrupting fault currents. For panel builders and maintenance teams, nuisance trips, complex coordination, and diagnostic challenges can drive costly downtime. With CE Marked, UL Listed, and CSA Certified, this breaker meets essential global safety and compliance standards. This Magnum PXR25 LSIAM trip unit offers advanced protection, easy integration with Power Xpert Protection Manager, and a robust, double-frame design ideal for high-demand switchgear. By combining rugged hardware with precise protection logic, it delivers reliable downtime reduction, streamlined installation, and long-term total cost savings across industrial facilities.
Product Information
Extended Description
MPSC403VEAXX2Q Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Double standard frame, 4000 A (ABCABC), 100 kA, Three-pole, Fixed vertical mounting, PXR25 LSIAM trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPSC403VEAXX2Q
UPC
786689634902
Product Length/Depth
16.3 in
Product Height
16.8 in
Product Width
31.1 in
Product Weight
237 lb
Compliances
CE Marked SABA Listed CCC Marked NEMA Compliant
Certifications
CSA Certified KEMA Certified Lloyd's Register Certified ANSI UL Listed 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 - MPSC403VEAXX2Q
Eaton Specification Sheet - MPSC403VEAXX2Q
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: Magnum PXR25 LSIAM trip unit provides precise protection and selectable coordination; Business Impact: reduces nuisance trips and enables accurate fault isolation, improving system uptime; Application: motor control centers and large switchgear assemblies. Feature: Double standard frame with 4000 A (ABCABC) interrupting capacity and 100 kA short-circuit rating; Business Impact: withstands high fault currents and supports robust protection schemes, lowering risk of panel damage; Application: heavy-load distribution nodes and critical process lines. Feature: Fixed vertical mounting and three-pole configuration; Business Impact: simplifies field installation, reduces wiring complexity, and speeds breaker swaps; Application: OEM panels and retrofit projects. Feature: Compliance and certifications (CE, UL, CSA, etc.); Business Impact: procurement risk reduction and global applicability; Application: multinational plants and regulated industries. Feature: Power Xpert Protection Manager compatibility; Business Impact: enables remote monitoring, protection analytics, and streamlined maintenance planning; Application: enterprise protection strategy and predictive maintenance. This combination delivers measurable efficiency gains, easier commissioning, and lower total cost of ownership in industrial environments.
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FAQs
The MPSC403VEAXX2Q uses fixed vertical mounting and a three-pole configuration, designed for straightforward installation within standard Magnum panel enclosures. Its double standard frame accommodates large bus and accessory fits, while the PXR25 trip unit simplifies wiring and integration with protection management systems. For retrofit projects, verify available space and bus bar alignment to ensure a clean, secure fit.
This model features a 4000 A (ABCABC) interrupting capacity with a 100 kA short-circuit rating and a three-pole arrangement. The PXR25 LSIAM trip unit provides advanced protection logic, enabling selective coordination and enhanced fault characterization. These specs support reliable protection in high-demand switchgear while maintaining compatibility with Power Xpert Protection Manager for monitoring and analytics.
Yes. The three-pole, fixed vertical Magnum breaker with PXR25 LS I AM trip unit is engineered for motor control centers and drive panels, delivering fast fault clearing and selective coordination to limit impact on downstream equipment. Its rugged frame and high interrupting capacity support demanding motor start/stop sequences common in manufacturing and process industries.
The MPSC403VEAXX2Q carries CE Marked, UL Listed, and CSA Certified statuses, along with other certifications (KEMA, Lloyd's Register, NEMA compliance) indicated in its specifications. These qualifications help meet regulatory requirements across Europe, North America, and international markets, reducing procurement risk and easing cross-border installation.
ROI is achieved through fast installation due to fixed vertical mounting, reduced downtime from precise protection and selective coordination, and easier maintenance via Power Xpert Protection Manager integration. The trip unit enables accurate fault data collection, enabling predictive maintenance, fewer unplanned outages, and a longer service life for switchgear and motor loads.