Eaton MPS86A4EEAXX2S Magnum PXR - UL Listed 85 kAIC
Part Number: MPS86A4EEAXX2S
Quick Summary
Eaton Magnum low voltage power circuit breaker protects electrical distribution panels in industrial facilities. Engineers often struggle to balance high interrupt ratings with a manageable footprint and straightforward maintenance. This model delivers 6000 A Iu, 85 kAIC, four poles, and a Power Xpert Release PXR25 trip unit with a drawout vertical mount. UL Listed and CE Marked with extensive third‑party certifications, it supports compliant, globally deployed protection schemes. In practice, this enables faster installation, easier maintenance, and reliable protection aligned with a modern Power Management strategy. For panel builders and OEMs, it offers straightforward field retrofit options.
Product Information
Extended Description
MPS86A4EEAXX2S Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Double standard frame, 6000 A (NABCNABC), 85 kA, Four-pole, Drawout vertical with extensions mounting, PXR25 LSIGAM trip unit, Vertical interleaf
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPS86A4EEAXX2S
UPC
786689639532
Product Length/Depth
16.3 in
Product Height
16.8 in
Product Width
44.1 in
Product Weight
319 lb
Compliances
CCC Marked CE Marked SABA Listed NEMA Compliant
Certifications
Lloyd's Register Certified UL Listed KEMA Certified CSA Certified ANSI DNV GL Certified ABS Certified
Frame
Double standard
Number of poles
Four-pole
Type
Magnum PXR
Frame
Double standard
Series
Magnum
Trip Type
PXR25 LSIG 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 - MPS86A4EEAXX2S
Eaton Specification Sheet - MPS86A4EEAXX2S
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
The four-pole Magnum PXR frame provides synchronized protection across all phases, reducing coordination gaps and enabling tighter fault-clearing. Business impact: improved system reliability and reduced downtime in high-load applications. Application: large motor feeders, press lines, and complex distribution panels where space and time-to-commission are critical. The 6000 A Iu rating paired with an 85 kAIC interrupt capacity delivers robust fault tolerance for heavy startup surges, supporting safer operation and fewer nuisance trips in demanding environments. Business impact: higher uptime, lower maintenance costs, and better protection coordination with upstream devices. Application: industrial plants, data centers, and process facilities demanding stringent protection. PXR25 LSIG ARMS trip unit compatibility enables advanced protection logic and Selective Coordination, enhancing system safety and asset protection as part of a Power Xpert Protection Manager ecosystem. Application: retrofit projects and greenfield builds leveraging Eaton protection software. The drawout vertical with extensions mounting speeds maintenance and minimizes downtime during breaker exchanges. Business impact: faster serviceability, reduced labor costs, and improved safety. Application: panel upgrades and service-friendly installations. This model’s extensive certifications—UL Listed, CE Marked, and additional Lloyd’s Register, KEMA, CSA, ANSI, DNV GL, ABS—provide global compliance confidence for multinational projects. Business impact: simplified procurement and regulatory alignment across sites. Application: multinational manufacturing and critical infrastructure projects.
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FAQs
This unit uses a drawout vertical mounting with extensions and a double standard frame, designed for straightforward exchanges in space‑constrained panels. Ensure adequate clearance for maintenance, verify pole alignment, and confirm compatibility with PXR trip units. Documentation and quick-start guides from Eaton support fast commissioning and safe, code-compliant installations.
The MPS86A4EEAXX2S provides a rated uninterrupted current (Iu) of 6000 A and an interrupt rating of 85 kAIC, four-pole configuration. These specs enable robust protection for high‑demand feeders and large motor loads, reducing the risk of arc flash incidents and improving protection coordination with upstream devices in medium‑voltage distribution.
Yes. The MPS86A4EEAXX2S is designed for use with the PXR family, specifically the PXR25 LSIG ARMS trip unit. This compatibility delivers advanced protection logic, remote signaling, and integration with Eaton’s Power Xpert Protection Manager for streamlined configuration, monitoring, and improved protection coordination across the protection scheme.
This model is UL Listed and CE Marked, with additional certifications including Lloyd's Register, KEMA, CSA, ANSI, DNV GL, and ABS. It is compliant with CCC Marking and SABA Listing, and NEMA standards. This breadth of certifications supports global installation, regulatory compliance, and safer cross-border deployments.
Dimensions are 16.3 in depth, 16.8 in height, and 44.1 in width, with a unit weight of 319 lb. These figures influence cabinet sizing, mounting recesses, and handling requirements during installation or exchanges. Plan for adequate lifting capacity, secure transport within panel layouts, and sufficient service space for safe maintenance.