Eaton MPS85A4HEAXX2S Magnum LV Circuit Breaker - UL Listed

Part Number: MPS85A4HEAXX2S
MPS85A4HEAXX2S
Manufacturer
Eaton
Part number
MPS85A4HEAXX2S
Category

Quick Summary

The Eaton Magnum LV Circuit Breaker is a high-capacity low-voltage protection device designed for industrial power distribution panels. Sizing and coordination for selective trips can delay commissioning. UL Listed, CSA Certified, and CE Marked ensure global compliance across markets. Integrated with Power Xpert Protection Manager and the Magnum PXR trip unit, it delivers quick diagnostics, visibility, and lower downtime. For panel builders and maintenance teams, this breaker provides reliable protection with easy installation and scalable protection strategies. The unit's four-pole, fixed-horizontal mounting supports compact layouts and straightforward retrofits in existing panels. Its 85 kA interrupt rating and 5000 A fault capability give engineers confidence in demanding manufacturing environments. With global certifications and compatibility across ANSI and IEC standards, it supports cross-site standardization and safer, compliant operations.

Product Information

Extended Description

MPS85A4HEAXX2S Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Double standard frame, 5000 A (NABCNABC), 85 kA, Four-pole, Fixed horizontal mounting, PXR25 LSIGAM trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPS85A4HEAXX2S
UPC
786689636074
Product Length/Depth
16.3 in
Product Height
16.8 in
Product Width
44.1 in
Product Weight
319 lb
Compliances
CCC Marked SABA Listed NEMA Compliant CE Marked
Certifications
Lloyd's Register Certified UL Listed CSA Certified ANSI KEMA Certified 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 - MPS85A4HEAXX2S Eaton Specification Sheet - MPS85A4HEAXX2S 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: Four-pole, fixed-horizontal mounting provides a sturdy, space-efficient footprint for three-phase protection. Business Impact: The rigid frame reduces field alignment time and minimizes installation errors, accelerating commissioning. Application: Suited for motor feeders and main distribution sections in manufacturing lines where panel density matters. Feature: Magnum PXR trip unit with LSIGAM settings. Business Impact: Delivers precise overcurrent protection and selectivity, improving uptime. Application: Critical for machines with varying load profiles and process lines. Feature: High short-circuit rating up to 85 kA and 5000 A NABCNABC. Business Impact: Enhances fault tolerance and continuity in high-demand environments, reducing nuisance tripping. Application: Data centers, steel mills, and continuous process lines where fault current is high. Feature: Power Xpert Protection Manager compatibility. Business Impact: Enables remote monitoring, diagnostics, and protection coordination across sites. Application: Plant-wide protection schemes and digital maintenance programs. Feature: Certifications including UL Listed, CSA Certified, CE Marked. Business Impact: Simplifies compliance and procurement, reduces qualification risk for cross-border projects. Application: Projects governed by strict electrical standards, with explicit compliance requirements. Feature: Renewal parts and accessories availability. Business Impact: Ensures lifecycle support and reduces maintenance costs. Application: Retrofit and spares planning in existing installations.

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FAQs

Yes. The MPS85A4HEAXX2S uses a four-pole, fixed-horizontal mounting design that fits typical panel builds, simplifies alignment, and reduces wiring complexity. It is compatible with Magnum PXR trip units and integrates smoothly with existing panel architectures to support reliable three-phase protection.
Key specs include a four-pole configuration, 16.3 in depth, 16.8 in height, 44.1 in width, and a weight of 319 lb. It offers an interrupt rating up to 85 kA and a fault current capability of 5000 A NABCNABC, with a PXR25 LSIGAM trip unit for advanced protection logic.
Ideal for motor control centers, main distribution panels, and line feeders in manufacturing and infrastructure. Its high fault-current tolerance, selective coordination capabilities, and compatibility with Power Xpert Protection Manager support reliable protection for conveyors, pumps, and processing lines.
The MPS85A4HEAXX2S is UL Listed, CSA Certified, and CE Marked, with additional certifications (ANSI, Lloyd's Register, DNV GL, ABS, etc.) available in the product ecosystem. This broad certification profile reduces qualification risk for cross-border projects and streamlines procurement for multinational sites.
Eaton offers Magnum renewal parts and accessories specific to PXR-equipped breakers. For lifecycle support, consult the renewal parts datasheet and compatibility guides (e.g., TD013013EN) to ensure you source the correct components and sustain protection performance over time.