Eaton MPS85A4MEAXX2F Magnum low-voltage breaker - UL Listed
Part Number: MPS85A4MEAXX2F
Quick Summary
The MPS85A4MEAXX2F is a Magnum low-voltage circuit breaker designed to protect industrial power distribution panels and motor circuits. Engineers often face nuisance trips and miscoordination that drive unplanned downtime and maintenance costs. This device carries CE Marked, UL Listed, and CSA Certified approvals, aligning with global electrical codes and safety standards for cross‑border projects. Its motorized racking and PXR20 LSIGAM trip unit streamline protection management, enabling quicker maintenance and easier field servicing. By combining robust protection with scalable coordination, it supports uptime targets and reduces total cost of ownership in manufacturing, data centers, and process industries. Designed for easy installation and long service life, it helps engineers meet aggressive reliability metrics.
Product Information
Extended Description
MPS85A4MEAXX2F Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Double standard frame, 5000 A (NABCNABC), 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
MPS85A4MEAXX2F
UPC
786689636111
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 CE Marked NEMA Compliant
Certifications
KEMA Certified UL Listed CSA Certified Lloyd's Register Certified ANSI 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 - MPS85A4MEAXX2F
Eaton Specification Sheet - MPS85A4MEAXX2F
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 enables precise, configurable protection with zone selective interlocking, delivering targeted response and reduced nuisance trips. Business Impact Improved selectivity and faster fault isolation, lowering downtime costs in high-current installations. Application Ideal for motor control centers and process lines seeking reliable protection with adjustable long-time, short-time, and instantaneous settings. Feature Four-pole, drawout vertical configuration with motorized racking mounting simplifies installation and maintenance, enabling quick breaker replacements and safer servicing in tight panel spaces. Business Impact Shorter downtime during maintenance and easier field servicing reduce labor costs and production interruption. Application Retrofit or new-build panels in manufacturing and packaging lines. Feature 85 kA short-circuit capability and 5000 A rating deliver robust fault handling for demanding electrical networks, improving system resilience. Application Suitable for facilities with high fault currents, data centers, and heavy industry loads where dependable interruption performance is critical. Feature CE Mark, UL Listed, and CSA Certified across global standards ensure ready-to-procure compliance and multi-site deployments. Business Impact Simplified procurement, fewer compliance delays, and smoother cross-border projects. Application Global manufacturing sites and regulated sectors such as oil & gas, metals, and chemicals. Feature Power Xpert Protection Manager compatibility and extensive Eaton documentation (quick start guides, application papers) support fast commissioning and proactive maintenance. Business Impact Accelerated startup, reduced engineering effort, and improved ongoing reliability. Application System integrators and maintenance teams seeking integrated protection management.
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FAQs
The MPS85A4MEAXX2F uses a four-pole, drawout vertical design with motorized racking, designed for safe, tool-assisted removal and replacement. Ensure panel compatibility with the drawout mechanism, confirm fit within the enclosure, and follow torque and racking procedures from the Magnum PXR documentation to maintain integrity and proper alignment.
Yes. The PXR20 LSIGAM trip unit provides adjustable protection curves for motor loads, enabling selective coordination with downstream devices. This reduces nuisance trips and ensures the motor circuit trips only for actual faults, improving uptime while protecting motors and conductors from damage.
This breaker is CE Marked, UL Listed, and CSA Certified, among other certifications. It also features NEMA compliance and KEMA certification, supporting global deployment and regulatory adherence across regions. These approvals help simplify procurement for multi-site projects and ensure alignment with safety and performance requirements.
The unit offers up to 85 kA short-circuit capability and a 5000 A rating, making it suitable for high-current industrial networks. This combination supports robust fault current interruption while enabling reliable protection coordination across three-phase power systems.
Available resources include the Eaton specification sheets, application notes on zone selective interlocking, and the Magnum PXR product aids. Additional manuals cover quick-start guidance, protection manager software, and installation diagrams to accelerate commissioning and ongoing maintenance.