Eaton MPS85A4VEAXXSW Magnum LV Circuit Breaker - 85 kAIC

Part Number: MPS85A4VEAXXSW
MPS85A4VEAXXSW
Manufacturer
Eaton
Part number
MPS85A4VEAXXSW
Category

Quick Summary

The Eaton Magnum LV Circuit Breaker protects power distribution by interrupting faults in industrial electrical systems. Engineers often face nuisance trips, slow fault isolation, and downtime when selecting a fixed, high-current breaker for demanding panels. This unit carries UL Listed and CE Marked certifications, plus Lloyd's Register and CSA approvals, enabling confident global deployment. With fixed vertical mounting and a four-pole, double-frame design, it supports safer, faster installations and aligns with Magnum PXR families for future protection strategy. Its 5000 A rated uninterrupted current and 85 kA short-circuit interrupt rating provide headroom for high-demand lines, reducing nuisance trips and unplanned outages while simplifying OEM integration and aftermarket maintenance.

Product Information

Extended Description

MPS85A4VEAXXSW Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Double standard frame, 5000 A (NABCNABC), 85 kA, Four-pole, Fixed vertical mounting, No trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPS85A4VEAXXSW
UPC
786689635572
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
ANSI Lloyd's Register Certified UL Listed KEMA Certified CSA Certified ABS Certified DNV GL Certified
Frame
Double standard
Number of poles
Four-pole
Type
Magnum PXR
Frame
Double standard
Series
Magnum
Number of poles
Four-pole
Rated uninterrupted current (Iu)
5000 A
Interrupt rating
85 kAIC
Interrupt rating
85 kAIC
Rated uninterrupted current (Iu)
5000 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 - MPS85A4VEAXXSW Eaton Specification Sheet - MPS85A4VEAXXSW 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 is a four-pole, double-standard frame design; Business impact is improved panel standardization and safer, quicker installation in high-current environments; Application is motor control centers and heavy-power distribution panels. Feature is fixed vertical mounting; Business impact is reduced depth and simplified rack integration, enabling faster retrofit projects and easier service access; Application is control panels in manufacturing lines and data centers. Feature is 5000 A Iu rating; Business impact is support for large-load feeders with minimal voltage drop risk, improving uptime and project reliability; Application is main feeders and critical loads. Feature is 85 kAIC interrupt rating; Business impact is rapid fault clearance and arc energy reduction, lowering downstream equipment stress and maintenance costs; Application is high-short-circuit areas in industrial facilities. Feature is comprehensive certifications and compliance footprint (UL Listed, CE Marked, ANSI, Lloyd's Register, CSA, KEMA, ABS, DNV GL); Business impact is global readiness and reduced regulatory hurdles; Application is multinational facilities and OEM deployments. Feature is Magnum PXR family compatibility and a no-trip-unit, fixed-design approach; Business impact is predictable protection behavior and streamlined procurement for standard panel builds; Application is OEM panel punch-outs and field-installed protection schemes.

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FAQs

The MPS85A4VEAXXSW features fixed vertical mounting with a four-pole, double-standard frame. It occupies a footprint of 44.1 in width by 16.8 in height and 16.3 in depth, and weighs 319 lb, enabling straightforward panel integration and stable mechanical performance in rigid OEM builds.
This breaker provides a rated uninterrupted current (Iu) of 5000 A and an interrupt rating of 85 kAIC. It is a four-pole unit designed for high-current distribution, suitable for demanding motor feeders and power distribution panels.
The MPS85A4VEAXXSW carries UL Listed and CE Marked compliance, plus ANSI, Lloyd's Register Certified, CSA Certified, KEMA Certified, ABS Certified, and DNV GL Certified marks, along with NEMA compliance and SABA listing as applicable, supporting global deployment.
Yes. With a 5000 A Iu rating and an 85 kAIC interrupt level, plus a robust fixed four-pole design, it efficiently protects large feeders and critical loads in manufacturing facilities, reducing downtime and extending equipment life when integrated into a Magnum PXR protection strategy.
A full set of technical resources is available, including specification sheets, time-current curves, application notes, manuals, and compliance certificates. Downloads cover Magnum PX R integration guides and maintenance references to streamline design, commissioning, and ongoing service.