Eaton Magnum low voltage power circuit breaker MPSC084WEAXX2H - UL Listed 100 kAIC

Part Number: MPSC084WEAXX2H
Manufacturer
Eaton
Part number
MPSC084WEAXX2H

Quick Summary

Eaton Magnum low voltage power circuit breaker protects critical electrical distribution by interrupting fault currents in industrial environments. For engineers and procurement teams, matching frame size, trip unit, and mounting style to panel design can slow projects and increase downtime. This unit carries UL Listed, CSA Certified, and Lloyd's Register Certified markings, along with ANSI, KEMA, DNV GL, and ABS certifications to simplify cross-border compliance and long-term service. Designed around a four-pole Magnum frame with a PXR20 LSI ARMS trip unit, it delivers reliable protection and straightforward integration into existing switchgear, helping minimize downtime and lifecycle costs while meeting demanding industrial standards.

Product Information

Extended Description

MPSC084WEAXX2H Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Standard frame, 800 A, 100 kA, Four-pole, Drawout vertical mounting, PXR20 LSIAM trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPSC084WEAXX2H
UPC
786689640545
Product Length/Depth
14.6 in
Product Height
16.8 in
Product Width
21.2 in
Product Weight
160 lb
Compliances
CCC Marked CE Marked SABA Listed NEMA Compliant
Certifications
UL Listed CSA Certified Lloyd's Register Certified ANSI KEMA Certified DNV GL Certified ABS Certified
Frame
Standard
Number of poles
Four-pole
Type
Magnum PXR
Frame
Standard
Series
Magnum
Trip Type
PXR20 LSI ARMS
Number of poles
Four-pole
Rated uninterrupted current (Iu)
800 A
Interrupt rating
100 kAIC
Interrupt rating
100 kAIC
Rated uninterrupted current (Iu)
800 A
Feature 800 A rated continuous current (Iu) and 100 kA interrupt rating (Icu) provides robust fault current handling for heavy-duty feeders, reducing equipment damage and extending asset life. Business Impact This improves plant uptime and lowers unplanned maintenance costs, particularly in high-load distribution networks where fault currents can spike during cycles or faults. Application Suitable for main feeders and critical motor circuits in manufacturing plants, water treatment facilities, and process industries where reliability is paramount. Feature Four-pole Magnum PXR standard frame with four-pole design and drawout vertical mounting simplifies installation and future maintenance. Business Impact This aligns with common 3-phase panel configurations, minimizes space conflicts, and enables rapid swap-out in live or de-energized environments. Application Ideal for retrofit projects in existing switchgear where panel footprint and mounting compatibility are essential. Feature Power Xpert Release PXR20 LSI ARMS trip unit enhances selective coordination and arc energy reduction. Business Impact Improves protection targeting and reduces arc flash exposure during maintenance, supporting safer operation and faster fault isolation. Application Suitable for systems demanding precise tripping logic and easy upgrade paths in modern protection schemes. Feature Wide compliance footprint with UL Listed, CSA Certified, Lloyd's Register Certified, ANSI, KEMA, DNV GL, and ABS certifications. Business Impact Facilitates cross-border procurement, reduces certification risk, and supports global deployment in multinational facilities. Application Valuable for plants with international operations or shipyards and offshore facilities requiring rigorous certs. Feature Clear physical footprint: 14.6 in depth, 16.8 in height, 21.2 in width, and 160 lb weight. Business Impact Enables accurate space planning and mechanical interfacing with existing enclosures. Application Essential for panel design and installation planning in new builds or retrofits. Feature Rich documentation and technical resources including application notes, product aids, manuals, and time-current curves. Business Impact Accelerates commissioning, improves configuration accuracy, and reduces design risk. Application Supports engineering teams during project kickoff, testing, and service planning.

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FAQs

This unit is a four-pole, standard-frame Magnum breaker designed for drawout vertical mounting. When installing in a three-phase panel, verify alignment with bus bars, ensure proper clearances for arc energy, and follow manufacturer torque and connection guidelines. The PXR20 LSI ARMS trip unit should be configured to match system protection settings and coordination requirements.
The PXR20 LSI ARMS trip unit provides advanced protection logic with selective coordination, reducing nuisance tripping and isolating faults more precisely. It also helps minimize arc energy during faults, improving personnel safety and equipment protection. For installation, ensure firmware and settings align with the protection scheme and system coordination study.
Yes. The MPSC084WEAXX2H carries UL Listed and CSA Certified marks, along with multiple other global certifications (Lloyd's Register, ANSI, KEMA, DNV GL, ABS). This broad certification footprint supports procurement and installation across North America, Europe, and maritime/offshore contexts, reducing approval time and risk in multinational projects.
This breaker is ideal for main feeders and critical motor circuits in manufacturing, processing, and industrial facilities requiring high fault-current handling (800 A Iu, 100 kAIC) and reliable protection with a four-pole configuration. Its drawout vertical mounting and PXR trip unit support efficient maintenance, testing, and upgrades in switchgear assemblies.
The XT-rated interrupt capacity and selective coordination reduce downtime and equipment damage from faults, delivering lower annual outage costs. Access to extensive Eaton documentation and spare parts for renewal enhances maintenance planning. On ROI, expect faster commissioning, fewer mis-trips, and improved uptime in high-demand facilities, offsetting initial capital through sustained reliability.