Eaton MPS8404MEAXX2F Magnum LV power circuit breaker - UL

MPS8404MEAXX2F
Manufacturer
Eaton
Part number
MPS8404MEAXX2F
Category

Quick Summary

Eaton Magnum low voltage power circuit breaker protects industrial power distribution and motor feeders with precision. When downtime, limited selectivity, or maintenance risk slow projects, its drawout vertical design with motorized racking minimizes effort and exposure. This model carries CE Marked, UL Listed, and NEMA compliant certifications, with KEMA and CSA approvals supporting global installations. Coupled with Power Xpert Release trip units and rich installation docs, it delivers reliable protection, easier commissioning, and measurable uptime gains for panel builders and end users.

Product Information

Extended Description

MPS8404MEAXX2F Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Double standard frame, 4000 A (NNABCABC), 85 kA, Four-pole, Drawout vertical with motorized racking mounting, PXR20 LSIGAM trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPS8404MEAXX2F
UPC
786689628642
Product Length/Depth
16.3 in
Product Height
16.8 in
Product Width
44.1 in
Product Weight
319 lb
Compliances
CE Marked NEMA Compliant CCC Marked SABA Listed
Certifications
KEMA Certified CSA Certified UL Listed ANSI Lloyd's Register 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 Magnum PXR low voltage power circuit breakers user manual Magnum PXR low voltage power circuit breakers user manual Magnum PXR low voltage power circuit breakers user manual Circuit Protection, Power Breakers, Contactors and Fuses, Volume 4, Tab 3 Power Xpert Protection Manager x32 22.06 1 Power Xpert Protection Manager x32 22.06 1 Eaton Specification Sheet - MPS8404MEAXX2F Eaton Specification Sheet - MPS8404MEAXX2F Magnum low-voltage power circuit breakers (ANSI and IEC) renewal parts and accessories Magnum PXR 20/25 electronic trip units time current curves Cyber security white paper Cyber security white paper Cyber security white paper
Feature: Magnum PXR20 LSIGAM trip unit; Business Impact: delivers precise protection with selective coordination and fast fault isolation; Application: ideal for complex motor and drive protections in manufacturing lines. Feature: Drawout vertical mounting with motorized racking; Business Impact: reduces maintenance time and exposure to live equipment; Application: suits harsh industrial panels and retrofit projects. Feature: Four-pole 4000 A frame with 85 kA rating; Business Impact: supports high fault current environments, improving reliability and safety; Application: data centers, heavy industrial plants. Feature: Comprehensive certifications (CE, UL, NEMA, CSA, KEMA, ANSI, DNV GL, Lloyd’s Register); Business Impact: enables global deployments with reduced compliance risk; Application: multinational facilities and cross-border projects. Feature: Extensive documentation and product aids (manuals, application papers, guides); Business Impact: accelerates configuration, reduces commissioning time, and lowers lifecycle cost; Application: system integrators and panel builders.

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FAQs

Yes. The MPS8404MEAXX2F uses a drawout vertical mounting with motorized racking, designed to fit standard LV panels and switchgear. This configuration simplifies removing and re-energizing circuits during maintenance, reduces manual handling risks, and supports quick upgrades to Power Xpert Release trip units without rewiring.
The device features a four-pole frame rated for 4000 A with an 85 kA short-circuit rating. It utilizes Magnum PXR20 LSIGAM trip technology for precise protection. This combination delivers robust fault current handling suitable for applications with high inrush and demanding load profiles, while enabling selective coordination in complex distributions.
Absolutely. The MPS8404MEAXX2F supports selective coordination when paired with the PXR trip unit, enabling targeted protection for critical loads and motors. Its high interrupting capacity and drawout architecture simplify staging within MCCs, panels, and drive systems, reducing nuisance trips while maintaining rapid fault isolation in multi-bay equipment.
This breaker is UL Listed and CE Marked, with NEMA compliance and additional certifications including CSA, KEMA, ANSI, Lloyd’s Register, ABS, and DNV GL. These certifications support global deployments, ensure regulatory alignment across regions, and help streamline cross-border procurement and installation.
The motorized racking and drawout design reduce maintenance time and exposure to energized equipment, lowering downtime and labor costs. Access to extensive manuals, application papers, and product aids speeds commissioning, reduces commissioning risks, and supports longer intervals between outages. These factors collectively improve uptime and deliver a favorable return on investment.