Eaton MPS84A4VEAXX2H Magnum LV Breaker - 85 kAIC
Part Number: MPS84A4VEAXX2H
Quick Summary
The Eaton Magnum low voltage power circuit breaker MPS84A4VEAXX2H provides reliable overcurrent protection for medium-sized industrial power systems. Engineers often struggle with protecting critical loads without nuisance trips or time-consuming, complex settings in high-demand environments. UL Listed, CE Marked, and CSA Certified marks—along with NEMA and CCC compatibility where applicable—support broad regulatory acceptance across global projects. With the PXR20 LSI ARMS trip unit and a fixed vertical four-pole frame, it enables selective coordination and fast fault isolation while minimizing downtime. This combination streamlines installation in control panels and supports scalable protection strategies for evolving plants, helping procurement and maintenance teams reduce total cost of ownership.
Product Information
Extended Description
MPS84A4VEAXX2H Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Double standard frame, 4000 A (NABCNABC), 85 kA, Four-pole, Fixed vertical mounting, PXR20 LSIAM trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPS84A4VEAXX2H
UPC
786689628802
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
CSA Certified UL Listed ANSI KEMA Certified Lloyd's Register Certified DNV GL Certified ABS Certified
Frame
Double standard
Number of poles
Four-pole
Type
Magnum PXR
Frame
Double standard
Series
Magnum
Trip Type
PXR20 LSI ARMS
Number of poles
Four-pole
Rated uninterrupted current (Iu)
4000 A
Interrupt rating
85 kAIC
Interrupt rating
85 kAIC
Rated uninterrupted current (Iu)
4000 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
Magnum PXR low voltage power circuit breakers user manual
Magnum PXR low voltage power circuit breakers user manual
Magnum PXR low voltage power circuit breakers user manual
Circuit Protection, Power Breakers, Contactors and Fuses, Volume 4, Tab 3
Power Xpert Protection Manager x32 22.06 1
Power Xpert Protection Manager x32 22.06 1
Eaton Specification Sheet - MPS84A4VEAXX2H
Eaton Specification Sheet - MPS84A4VEAXX2H
Magnum low-voltage power circuit breakers (ANSI and IEC) renewal parts and accessories
Magnum PXR 20/25 electronic trip units time current curves
Cyber security white paper
Cyber security white paper
Cyber security white paper
Feature – The Magnum PXR20 LSI ARMS electronic protection unit provides fast, precise overcurrent protection with linear selectivity across feeders. Business impact – This enables true selective coordination, limiting the electrical disturbance to the faulted zone and minimizing widespread outages. Application – Ideal for motor control centers, process lines, and critical loads in manufacturing environments where uptime matters. Real-world insight – The PXR family simplifies settings through intuitive curves and trip configurations, reducing commissioning time by days rather than hours. Result – With this trip unit, utilities can meet stricter protection standards while maintaining safe coordination with downstream devices. Frame and mounting – The double standard frame and fixed vertical mounting simplify panel integration, reducing space requirements and installation time. Business impact – Fewer mechanical conflicts and faster installation translate into lower labor costs and a shorter project schedule. Application – Panels, switchgear, and MCCs benefit from consistent mounting geometry when replacing older breakers. Compatibility – The Magnum family shares common footprint and accessory compatibility, easing spare parts inventory. Reliability – The robust frame design supports long service life in harsh industrial environments. Electrical ratings – Rated uninterrupted current (Iu) of 4000 A supports heavy feeders and high-load applications, while an 85 kAIC interrupt rating delivers robust fault clearance for short circuits. Business impact – Higher fault current withstand reduces the risk of collateral damage and improves system reliability. Application – Suitable for distribution panels in data centers, processing lines, and heavy machinery setups. Safety and compliance – Four-pole configuration maintains balanced phase currents, aiding safe enclosure protection. Operational efficiency – The combination of high ratings with selective coordination minimizes downtime and improves maintenance windows. Compliance and documentation – UL Listed, CSA Certified, CE Marked, CCC marked and NEMA compliant markings simplify procurement across regions and support audit readiness. Business impact – Access to official manuals, application notes, and datasheets accelerates design validation and commissioning. Application – Engineers can reference zone selective interlocking papers and product aids to design compliant protection schemes. Lifecycle and ecosystem – The product aligns with Power Xpert Protection Manager and related software tools, enabling remote monitoring and protection management for smarter maintenance. Business impact – Predictive maintenance, reduced unplanned downtime, and clearer asset health visibility translate into lower total cost of ownership.
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FAQs
Yes. The MPS84A4VEAXX2H uses a Magnum four-pole, double standard frame with fixed vertical mounting, designed for straightforward panel integration and compatibility with common Magnum PXR frame families. When retrofitting, verify frame alignment, mounting hardware, and serial compatibility in the Magnum product catalogs and user manual to ensure a seamless replacement or upgrade.
The breaker provides a rated uninterrupted current (Iu) of 4000 A and an interrupt rating of 85 kAIC. It is a four-pole unit with the PXR20 LSI ARMS trip unit, suitable for high-demand feeders and robust short-circuit clearance, enabling reliable protection for large distribution panels.
Magnum PXR units are favored in industrial plants, data centers, and process facilities that require precise selective coordination and fast fault isolation. They excel in motor control centers and critical load panels where downtime is costly. The PXR20 ARMS enables zone selective interlocking and scalable protection across feeders, improving overall plant reliability.
This device carries UL Listed, CSA Certified, and CE Marked certifications, along with CCC and NEMA compliance as indicated in the data sheet. These marks support global procurement and audit readiness, ensuring alignment with regional regulatory requirements for electrical protection equipment.
The PXR-based protection and robust Magnum frame reduce nuisance trips and simplify commissioning, lowering maintenance windows and downtime. Access to manuals, application notes, and renewal parts supports long-term lifecycle management, while compatibility with protection management software improves asset health visibility and predictive maintenance planning, delivering favorable total cost of ownership.