Eaton MPS85N4MEAXX2S Magnum LV Breaker - UL Listed

Part Number: MPS85N4MEAXX2S
MPS85N4MEAXX2S
Manufacturer
Eaton
Part number
MPS85N4MEAXX2S
Category

Quick Summary

Eaton Magnum low voltage power circuit breaker protects critical power feeds in industrial equipment. Many projects struggle with downtime and protection coordination challenges that drive maintenance costs and risk. It carries UL Listed, CE Marked, and NEMA Compliant certifications, with additional approvals from CSA and Lloyd’s Register to support global installation. The unit's four-pole, drawout design and motorized racking streamline maintenance and swap-outs, reducing downtime. By aligning with Power Xpert Protection Manager and selective coordination strategies, it delivers improved reliability, faster fault isolation, and a lower total cost of ownership for modern power distribution systems.

Product Information

Extended Description

MPS85N4MEAXX2S Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Double standard frame, 5000 A (NNAABBCC), 85 kA, Four-pole, Drawout vertical with motorized racking mounting, PXR25 LSIGAM trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPS85N4MEAXX2S
UPC
786689636708
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
UL Listed Lloyd's Register Certified CSA Certified KEMA 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 - MPS85N4MEAXX2S Eaton Specification Sheet - MPS85N4MEAXX2S 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: PXR25 LSIGAM trip unit integration enables precise protection and adaptive coordination. Benefit: Improves selective protection in motor-driven loads, reducing nuisance trips and enabling faster fault isolation. Application: Data centers and manufacturing lines where uptime and coordinated protection are critical. Feature: Drawout vertical design with motorized racking mounting simplifies maintenance and replacement workflows. Benefit: Shortens downtime during breaker swaps and minimizes human error, boosting overall plant availability. Application: Retrofit projects in legacy switchgear and new panel builds that demand rapid commissioning. Feature: Four-pole construction with high interrupting capacity (5000 A and 85 kA short-circuit rating). Benefit: Robust protection against heavy fault currents, ensuring safe loads and reduced equipment damage. Application: Large motor feeders and high-current distribution panels with elevated fault potential. Feature: Comprehensive certifications (UL Listed, CE Marked, NEMA Compliant, CSA, KEMA, Lloyd’s Register). Benefit: Global acceptance and streamlined procurement, reducing engineering delays and compliance risk. Application: International installations and regulated industries. Feature: Compatibility with Power Xpert Protection Manager and detailed documentation (manuals and datasheets). Benefit: Unified protection strategy, easier monitoring, and faster maintenance planning. Application: Modern smart facilities pursuing integrated protection and data-driven maintenance.

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FAQs

The MPS85N4MEAXX2S uses a drawout vertical chassis with motorized racking for safe, remote operation. Ensure the panel is rated for four-pole devices and compatible with Magnum PXR trip units. Follow Eaton installation guides and torque specifications for line and load connectors, then use the motorized racking sequence to seat and test the breaker before commissioning.
This model provides a 5000 A interrupting rating and up to 85 kA short-circuit capability. It ships with a PXR25 LSIGAM trip unit, supporting advanced protection functions and adjustable protection settings for selective coordination in motor-driven feeders.
Yes. The four-pole MPS85N4MEAXX2S with PXR trip technology supports selective coordination strategies typical in 480 V distribution schemes. For optimal results, pair with properly coordinated upstream and downstream devices and verify coordination curves using the Eaton time-current data and protection manager tools.
The unit is UL Listed, CE Marked, and NEMA Compliant, with additional certifications including CSA, KEMA, and Lloyd’s Register. These credentials support global installation, safety compliance, and performance validation across diverse markets.
Power Xpert Protection Manager enables centralized protection management, monitoring, and updates for the Magnum breaker. This reduces field commissioning time, improves fault diagnostics, and enables data-driven maintenance planning—leading to lower downtime and a shorter return on investment for modernization projects.