Eaton MPS85A4WEAXXSW Low Voltage Circuit Breaker - UL Listed

Part Number: MPS85A4WEAXXSW
MPS85A4WEAXXSW
Manufacturer
Eaton
Part number
MPS85A4WEAXXSW
Category

Quick Summary

Eaton Magnum low voltage power circuit breaker protects industrial power distribution panels in harsh environments. Engineers often wrestle with space constraints, installation complexity, and the risk of improper protection settings during startup or load changes. This model carries UL Listed and CE Marked certifications along with NEMA compliance, supporting global design and procurement requirements. Designed for reliability, it is compatible with Magnum PXR trip units and the Power Xpert Protection Manager for scalable protection strategies, even in compact enclosures. The result is faster fault isolation, reduced downtime, and a clearer path to compliant, cost-effective protection across critical manufacturing and process installations.

Product Information

Extended Description

MPS85A4WEAXXSW Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Double standard frame, 5000 A (NABCNABC), 85 kA, Four-pole, Drawout vertical mounting, No trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPS85A4WEAXXSW
UPC
786689636227
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 NEMA Compliant SABA Listed
Certifications
UL Listed ANSI Lloyd's Register Certified KEMA Certified CSA 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 - MPS85A4WEAXXSW Eaton Specification Sheet - MPS85A4WEAXXSW 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, drawout vertical mounting. Business Impact: Enables modular, service-friendly installation in dense switchgear and cabinets, reducing downtime during maintenance. Application: Ideal for large distribution panels and machine-control enclosures in manufacturing facilities. Feature: 5000 A interrupting capacity (NABCNABC) and 85 kA short-circuit rating. Business Impact: Provides robust fault tolerance to minimize cascading trips and supports selective coordination in critical loops. Application: Main feeders and essential process lines in chemical, petrochemical, and metals processing plants. Feature: No trip unit included. Business Impact: Allows designers to select and deploy Magnum PXR Power Xpert Release trip units or field-installed protection to match specific protection philosophy. Application: Projects requiring customizable protection strategies and upgrade paths. Feature: Large, rugged enclosure footprint (16.3 in L, 16.8 in H, 44.1 in W) and heavy-duty construction (319 lb). Business Impact: Ensures durable, long-life installation in harsh environments with predictable maintenance cycles. Application: Industrial power centers and panel grids in automotive, food & beverage, and water/wastewater facilities. Feature: Broad certifications and compliance (UL Listed, CE Marked, NEMA Compliant, SABA Listed, ANSI, Lloyd’s, KEMA, CSA, ABS, DNV GL). Business Impact: Improves supplier risk management and regulatory alignment for global deployments. Application: Global projects requiring multi-region compliance and documented traceability.

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FAQs

This model features four-pole, drawout vertical mounting designed for modular installation in compatible switchgear. Confirm panel compatibility with the Magnum series and follow standard drawout procedures to ensure safe, accessible maintenance and fault isolation.
The breaker provides a 5000 A interrupting rating (NABCNABC) and an 85 kA short-circuit rating, four-pole construction, and supports a no-trip-unit configuration pending your selected trip unit option.
This specific variant is listed as No trip unit. You can upgrade with Magnum PXR Power Xpert Release trip units or other field-installable trip units to tailor protection settings for your application.
The product is UL Listed and CE Marked, with additional compliance to ANSI, Lloyd’s Register, KEMA, CSA, ABS, and DNV GL, plus NEMA compliance. These certifications support global procurement and regulatory audits.
Access application notes, product aids for Magnum PXR, selective coordination papers, UL certificates, quick-start guides, user manuals, and specification sheets to support design, commissioning, and maintenance.