Eaton MPS85N3MEAXX2Q Magnum LV CB - UL Listed
Part Number: MPS85N3MEAXX2Q
Quick Summary
Eaton Magnum LV CB MPS85N3MEAXX2Q is a low-voltage circuit breaker for protecting motor drives in industrial panels. Engineers often face nuisance trips and slow fault isolation in demanding power systems. The unit carries UL Listed, CE Marked, CSA Certified and NEMA Compliant status, supporting global installations and regulatory compliance. The Power Xpert Release trip unit with LSIAM functionality and motorized, vertical draw-out racking enables precise protection, fast maintenance, and scalable upgrades across Magnum PXR frames, delivering safer operations and reduced total cost of ownership for panel builders and OEMs.
Product Information
Extended Description
MPS85N3MEAXX2Q Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Double standard frame, 5000 A (AABBCC), 85 kA, Three-pole, Drawout vertical with motorized racking mounting, PXR25 LSIAM trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPS85N3MEAXX2Q
UPC
786689636418
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
Lloyd's Register Certified KEMA Certified UL Listed CSA Certified ANSI 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 - MPS85N3MEAXX2Q
Eaton Specification Sheet - MPS85N3MEAXX2Q
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 physics and protection design deliver measurable business impact. Drawout vertical mounting with motorized racking enables rapid, safe breaker replacement in live panels, reducing downtime and maintenance labor in manufacturing lines. This translates to higher asset availability and lower incident exposure during routine maintenance and swap outs in high-demand environments. The PXR25 LSIAM trip unit provides intelligent, selective protection that minimizes unnecessary outages and short-cycle trips, which directly improves process uptime and reduces arc-flash risk for critical motors and conveyors. In practice, this supports tighter coordination with upstream protection schemes and smoother integration with Power Xpert Protection Manager for centralized monitoring and control. The 3-pole, double standard Magnum frame ensures compatibility with existing MCCs and switchgear footprints, simplifying retrofits and stock management for OEMs. With an 85 kA interrupting capacity and 5000 A withstand rating, the device protects high-energy motor feeders without oversizing equipment, enabling compact, cost-efficient panel design. Zone-selective interlocking (ZSI) capability papers and documented best practices are readily accessible to engineering teams, enabling safer, faster fault isolation in complex installations. Coupled with comprehensive certifications and global standards, the unit supports multinational deployments while streamlining procurement and service planning.
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FAQs
This unit is a drawout vertical breaker with motorized racking and a Magnum PXR frame, designed to retrofit into compatible cabinets and MCCs. Confirm footprint (16.3 in depth, 16.8 in height, 31.1 in width) and mounting clearances, and ensure up-to-date protection units are matched to the existing protection scheme.
The MPS85N3MEAXX2Q features an interrupting capacity of up to 85 kA and a withstand rating of 5000 A, with three-pole operation and a PXR25 LSIAM trip unit, suitable for high-energy motor feeders and demanding industrial loads.
Yes. Eaton provides zone selective interlocking guidance and the PXR/LSIAM trip unit supports coordinated protection strategies, reducing nuisance trips and enabling faster, safer fault isolation when used with zone protection approaches.
The unit carries UL Listed, CE Marked, CSA Certified, ANSI, DNV GL Certified, Lloyd's Register, KEMA and other certifications, plus NEMA compliance, to back global installation standards and industry compliance.
Motorized racking speeds replacements, while selective protection reduces downtime. Integration with Power Xpert Protection Manager enables centralized monitoring, improving maintenance planning, asset lifecycle visibility, and overall return on investment for panel builders and OEMs.