Eaton MPS86N4WEAXX2Q Magnum PXR Four-Pole - 85 kAIC
Part Number: MPS86N4WEAXX2Q
Quick Summary
Eaton Magnum low voltage power circuit breaker provides reliable overcurrent protection for industrial power distribution and motor circuits. Project teams often wrestle with nuisance trips, poor coordination, and downtime that erodes uptime and profitability. This unit carries ANSI UL Listed, CSA Certified, and CE Marked certifications, with NEMA compliance for rugged industrial installations. With drawout vertical mounting and the PXR25 LSIAM trip unit, it supports scalable protection schemes that simplify maintenance and reduce total cost of ownership. Engineers benefit from compatibility with Magnum PXR protection manager tools and straightforward field retrofits across existing panels. This combination supports faster troubleshooting and safer maintenance windows while meeting stringent industry standards.
Product Information
Extended Description
MPS86N4WEAXX2Q Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Double standard frame, 6000 A (NNAABBCC), 85 kA, Four-pole, Drawout vertical mounting, PXR25 LSIAM trip unit, Fan-cooled
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPS86N4WEAXX2Q
UPC
786689630522
Product Length/Depth
16.3 in
Product Height
16.8 in
Product Width
44.1 in
Product Weight
319 lb
Compliances
CCC Marked NEMA Compliant CE Marked SABA Listed
Certifications
ANSI UL Listed CSA Certified Lloyd's Register Certified KEMA Certified DNV GL Certified ABS Certified
Frame
Double standard
Number of poles
Four-pole
Type
Magnum PXR
Frame
Double standard
Series
Magnum
Trip Type
PXR25 LSI ARMS
Number of poles
Four-pole
Rated uninterrupted current (Iu)
6000 A
Interrupt rating
85 kAIC
Interrupt rating
85 kAIC
Rated uninterrupted current (Iu)
6000 A
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 - MPS86N4WEAXX2Q
Eaton Specification Sheet - MPS86N4WEAXX2Q
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: High fault-current protection with 85 kAIC interrupt rating and 6000 A Iu. Business Impact: Protects downstream equipment from high-energy faults, reduces arc-flash exposure, and minimizes unplanned outages. Application: ideal for large motor feeders, process lines, and switchgear banks in metals, chemical, and data-center environments. Feature: Drawout vertical mounting and a four-pole double-standard frame. Business Impact: simplifies replacement and testing without full panel removal, shortening maintenance windows and lowering service costs. Application: retrofit and new installations in standard Magnum PXR panels across multiple industries. Feature: PXR25 LSIAM trip unit for ARMS protection. Business Impact: enables selective coordination and arc-energy control, reducing nuisance trips and enhancing safety margins. Application: plant-wide protection schemes in manufacturing, water treatment, and energy distribution. Feature: Comprehensive certifications and compliance. Business Impact: streamlines procurement and cross-border approvals with ANSI UL Listed, CSA Certified, CE Marked, and NEMA compliance. Application: global deployments needing regulatory alignment and supplier reliability. Feature: Documentation and installation readiness. Business Impact: documented installation guides and compatibility with protection management tools accelerate commissioning and reduce commissioning risk. Application: new builds and panel upgrades in industrial facilities.
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FAQs
Yes. The MPS86N4WEAXX2Q is designed for drawout vertical mounting in Magnum PXR panels with a four-pole configuration. Installation aligns with standard panel cutouts and mounting spacings documented in Eaton manuals (MN013016en and related guides). Practically, technicians can replace units without extensive rewiring, minimizing downtime during upgrades or maintenance.
The breaker provides a rated uninterrupted current (Iu) of 6000 A and an interrupt rating of 85 kAIC. It uses the PXR25 LSIAM trip unit for advanced protection logic. These specs support reliable service in high fault-current environments and enable selective coordination across multi-panel systems, reducing the risk of widespread outages during faults.
Best suited for large motor feeders, process lines, and switchgear banks in industries like metals, chemical processing, oil and gas, and data centers. Its high Iu and 85 kAIC ratings, combined with four-pole protection and drawout mounting, make it ideal for facilities with demanding fault-current profiles and stringent uptime requirements.
This unit carries ANSI UL Listed, CSA Certified, and CE Marked certifications, along with NEMA compliance. Additional third-party certifications referenced in Eaton literature include Lloyd's Register, KEMA, DNV GL, and ABS acceptance, supporting global procurement and cross-border installs without facing major compliance hurdles.
The drawout design and standardized Magnum PXR platform reduce maintenance time and spares inventory complexity. Field retrofits are streamlined by clear installation guides and compatibility with Power Xpert Protection Manager tools. ROI is achieved through reduced downtime, faster fault clearance, and longer service life of protective equipment due to robust fault interruption performance.