Eaton MPSC403MEAXX2F Magnum low voltage power circuit breaker - UL Listed

Part Number: MPSC403MEAXX2F
MPSC403MEAXX2F
Manufacturer
Eaton
Part number
MPSC403MEAXX2F
Category

Quick Summary

The Eaton Magnum low voltage power circuit breaker provides reliable overcurrent protection for large industrial panels and motor circuits. Engineers often wrestle with balancing selectivity, downtime, and maintenance costs; this unit's drawout vertical mounting and motorized racking streamline servicing. It carries UL Listed, ANSI/CSA, CE Marked and KEMA Certified approvals, ensuring regulatory compliance across global sites. Leveraging the Magnum PXR family, it integrates with Power Xpert Protection Manager for remote monitoring and protection coordination, helping you shorten mean time to repair and reduce on-site visits. For engineers and procurement leaders, the combination of rugged performance and certified compliance translates to faster project timelines and lower lifecycle costs.

Product Information

Extended Description

MPSC403MEAXX2F Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Double standard frame, 4000 A (ABCABC), 100 kA, Three-pole, Drawout vertical with motorized racking mounting, PXR20 LSIGAM trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPSC403MEAXX2F
UPC
786689634575
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 CE Marked SABA Listed
Certifications
ANSI KEMA Certified UL Listed CSA Certified Lloyd's Register Certified 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 - MPSC403MEAXX2F Eaton Specification Sheet - MPSC403MEAXX2F 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 to Business Impact to Application: Three-pole configuration with a double standard frame supports high-current applications and simplifies panel design, enabling 4000 A ratings and 100 kA breaking capacity for critical feeders, reducing routine fuse replacements and enabling robust protection in heavy-duty machines. This translates to improved uptime in manufacturing lines and safer motor starting, essential for continuous production. Feature to Business Impact to Application: Drawout vertical mounting with motorized racking reduces maintenance time and exposure during breaker swaps, accelerating preventive maintenance cycles and minimizing downtime during updates or fault isolation in control rooms and switchgear rooms. Feature to Business Impact to Application: PXR20 LSIGAM trip unit delivers adjustable protection settings and selective coordination, helping engineers meet exacting safety standards while preventing nuisance trips on non-critical loads in process lines and material handling systems. Feature to Business Impact to Application: Comprehensive certifications (UL Listed, CE Marked, ANSI, CSA, KEMA, etc.) streamline procurement and compliance audits, especially in regulated facilities such as data centers, pharmaceuticals, and food & beverage. Feature to Business Impact to Application: Compatibility with Power Xpert Protection Manager and renewal parts ecosystem improves lifecycle integrity, enabling remote monitoring, easier firmware updates, and lower total cost of ownership for modernization projects.

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FAQs

This model uses drawout vertical mounting with motorized racking, designed to drop into compatible Magnum switchgear and panelboards. Ensure frame and mounting footprint align with your enclosure and check the PXR20 trip unit compatibility for seamless protection coordination.
The unit is a three-pole breaker with a 4000 A frame, 100 kA interrupting capacity (Icu), and is designed for high-current feeders. The PXR20 LSIGAM trip unit provides adjustable overload and short-circuit protection suitable for demanding industrial loads.
Yes. With the PXR20 LSIGAM trip unit and Magnum design, the breaker supports selective coordination strategies when paired with compatible upstream devices, helping minimize the impact of faults and improve system uptime.
It carries UL Listed status plus ANSI, CSA, CE Marked, and additional certifications such as KEMA, Lloyd's Register, DNV GL, and ABS, supporting regulatory acceptance across multiple regions.
The drawout design and motorized racking reduce maintenance downtime, while integration with Power Xpert Protection Manager enables remote monitoring and faster fault diagnosis, lowering on-site service visits and extending mean time between outages.