Eaton MPSC404MEAXX2F Magnum low voltage breaker - UL Listed

Part Number: MPSC404MEAXX2F
MPSC404MEAXX2F
Manufacturer
Eaton
Part number
MPSC404MEAXX2F
Category

Quick Summary

Eaton Magnum low voltage power circuit breaker protects motor starters and distribution panels in industrial plants with reliable fault interruption. Selecting a breaker that handles high fault currents and simplifies maintenance can derail projects and extend downtime. This unit is UL Listed, CSA Certified, CE Marked and NEMA Compliant, ensuring broad regulatory acceptance across global facilities. Designed for drawout vertical mounting with motorized racking and the PXR20 LSIGAM trip unit, it supports fast diagnostics and safer maintenance. This combination delivers efficiency, reliability, and reduced total cost of ownership in demanding manufacturing environments. Engineers can rely on consistent trip performance under variable loads, reducing nuisance trips and improving uptime.

Product Information

Extended Description

MPSC404MEAXX2F Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Double standard frame, 4000 A (NNABCABC), 100 kA, Four-pole, Drawout vertical with motorized racking mounting, PXR20 LSIGAM trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPSC404MEAXX2F
UPC
786689633165
Product Length/Depth
16.3 in
Product Height
16.8 in
Product Width
44.1 in
Product Weight
319 lb
Compliances
SABA Listed CCC Marked NEMA Compliant CE Marked
Certifications
CSA Certified KEMA Certified ANSI Lloyd's Register Certified 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 - MPSC404MEAXX2F Eaton Specification Sheet - MPSC404MEAXX2F 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: PXR20 LSIGAM trip unit provides precise protection, rapid fault recognition, and event logging. Business Impact: Improves selective coordination, minimizes energy waste, and shortens downtime during faults. Application: Large motor feeders and critical automation lines where accurate tripping is essential. Feature: Drawout vertical mounting with motorized racking enables rapid breaker replacement and safer maintenance. Business Impact: Reduces maintenance exposure, shortens maintenance windows, and speeds panel upgrades. Application: Routine service in crowded electrical rooms and during capacity upgrades. Feature: 4000 A frame with 100 kA short-circuit rating supports heavy electrical loads without nuisance trips. Business Impact: Enhances system resilience and reduces damage from high-energy faults. Application: Heavy industry, packaging lines, and process plants. Feature: Four-pole design delivers balanced three-phase protection with straightforward integration. Business Impact: Improves coordination and reliability across three-phase feeders. Application: Main distribution boards feeding critical motors and drives. Feature: Comprehensive certifications and standards compliance provide global procurement confidence. Business Impact: Streamlines supply chains and accelerates regulatory approvals. Application: Multi-site deployments with strict compliance requirements. Feature: Optional Power Xpert Protection Manager integration enables centralized protection management. Business Impact: Simplifies monitoring, faster diagnostics, and consistent protection settings. Application: Plant-wide protection programs and remote management.

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FAQs

For installation, verify a drawout vertical configuration and motorized racking compatibility. Ensure the bus stabs align with the four-pole frame, connect the line and load conductors with proper torque per Eaton guidelines, install the PXR20 LSIGAM trip unit, and verify control wiring and protection settings. Always follow lockout/tagout procedures and clearance requirements before insertion or removal to minimize arc flash exposure.
Key ratings include a 4000 A frame rating and 100 kA short-circuit current rating (ISC). The PXR20 LSIGAM electronic trip unit provides adjustable protection and diagnostic data. The device is four-pole, drawout, and designed for high-energy industrial environments, offering reliable interruption for large motor feeders and critical circuits while maintaining coordination with other protection devices.
Yes. The four-pole Magnum breaker with PXR20 LSIGAM is engineered for large motor feeders and demanding automation lines. Its high ISC rating and robust protection support safe motor start-ups, reduced nuisance trips, and quick fault isolation, making it well-suited for conveyors, pumps, and other essential equipment in manufacturing and process plants.
This model carries UL Listed, CSA Certified, ANSI, CE Marked, NEMA Compliant, KEMA Certified, Lloyd's Register Certified, DNV GL Certified, and ABS Certified. These certifications provide broad regulatory acceptance across global facilities, facilitating cross-border procurement and simplifying qualification for multi-site projects.
Motorized racking and drawout mounting reduce service time and operator exposure, accelerating maintenance windows. The PXR20 LSIGAM trip unit enables faster fault diagnosis and easier protection tuning, lowering downtime. Combined with durable construction and wide certification coverage, this breaker delivers lower total cost of ownership through improved uptime and streamlined parts availability.