Eaton Magnum low voltage power CB MPS85A4MEAXX2H UL Listed

Part Number: MPS85A4MEAXX2H
MPS85A4MEAXX2H
Manufacturer
Eaton
Part number
MPS85A4MEAXX2H
Category

Quick Summary

The Eaton Magnum low voltage power circuit breaker is designed to protect critical plant circuits by interrupting faults quickly and safely. It is suited for switchgear, motor control centers, and MCC panels where uptime and personnel safety are paramount. A common challenge is achieving reliable selective coordination without sacrificing fast fault clearing in high-current networks. This model meets CE Marked, UL Listed, and ANSI/CSA requirements, with Lloyd’s Register and other global certifications supporting multinational installations. By leveraging the Power Xpert Release trip unit and Zone Selective Interlocking options, engineers gain precise coordination and easier maintenance. In practice, it integrates with Eaton’s Power Xpert Protection Manager for protection analytics, event logging, and lifecycle optimization across enterprise protection schemes.

Product Information

Extended Description

MPS85A4MEAXX2H 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 LSIAM trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPS85A4MEAXX2H
UPC
786689636128
Product Length/Depth
16.3 in
Product Height
16.8 in
Product Width
44.1 in
Product Weight
319 lb
Compliances
CE Marked SABA Listed CCC Marked NEMA Compliant
Certifications
Lloyd's Register Certified ANSI UL Listed CSA Certified KEMA Certified 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 - MPS85A4MEAXX2H Eaton Specification Sheet - MPS85A4MEAXX2H 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 LSIAM trip unit enables advanced protection functions and precise coordination. Business Impact: Improves selective coordination and reduces nuisance trips, contributing to lower downtime and safer startup sequences. Application: Ideal for switchgear assemblies, MCCs, and critical feeders where protection accuracy matters. Feature: Drawout vertical mounting with motorized racking simplifies maintenance and rapid breaker replacement. Business Impact: Cuts downtime during maintenance outages and enhances operator safety during rack-and-reload operations. Application: Useful in OEM integrations and plant floors with frequent maintenance windows. Feature: Four-pole design with up to 85 kA short-circuit capacity provides robust protection for high-current networks. Business Impact: Supports reliable interruption of fault currents, reducing arc energy exposure. Application: Suitable for 480–600V distribution panels in manufacturing and data centers. Feature: Comprehensive certifications and compliances including CE Marked, UL Listed, ANSI, CSA, and SABA/NEMA alignment. Business Impact: Eases global deployment and regulatory acceptance across sites. Application: Enables cross-border projects with confidence in compliance. Feature: Compatibility with Power Xpert Protection Manager and extensive Eaton technical literature. Business Impact: Enables protection analytics, event tracking, and informed asset management. Application: Optimizes lifecycle costs and supports proactive maintenance programs.

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FAQs

The MPS85A4MEAXX2H uses a vertical drawout mounting with motorized racking, designed for Eaton Magnum switchgear and compatible MCCs. This arrangement streamlines reel-in/out operations, reduces alignment errors, and enables rapid replacement during maintenance windows. For best results, follow the included manuals and the Zone Selective Interlocking (ZSI) guidance papers to ensure proper racking sequences and electrical clearance.
The PXR20 LSIAM trip unit provides advanced protection functions with exact trip coordination, improving selectivity and minimizing nuisance trips. It supports settings for precise current-based protection, arc energy reduction strategies, and seamless integration with Power Xpert Protection Manager for event logging and trend analysis, which translates into faster fault diagnosis and reduced downtime.
Yes. The combination of Zone Selective Interlocking and the PXR20 trip unit enables enhanced selective coordination, allowing upstream devices to back off during faults and limit the scope of interruption. This is especially valuable in production lines with multiple protection layers, reducing system-wide outages and improving overall plant availability.
This breaker is CE Marked, UL Listed, and ANSI/CSA certified, with additional recognitions such as Lloyd's Register, KEMA, DNV GL, and ABS where applicable. These certifications ensure compliance with international standards, simplify cross-border procurement, and support safety, reliability, and performance requirements in diverse industrial environments.
Motorized racking and drawout design reduce maintenance downtime by speeding inspection and replacement. The PXR20 unit enables proactive protection analytics via Power Xpert Protection Manager, supporting predictive maintenance and longer asset life. Collectively, these factors lower total cost of ownership by reducing unplanned outages and extending breaker service intervals.