Eaton MPS85N4WEAXX2C Magnum LV Breaker - UL Listed

Part Number: MPS85N4WEAXX2C
MPS85N4WEAXX2C
Manufacturer
Eaton
Part number
MPS85N4WEAXX2C
Category

Quick Summary

Eaton Magnum low voltage power circuit breaker protects industrial power feeds in panels and MCCs. In fast-paced projects, nuisance trips, maintenance downtime, and complex coordination erode uptime and increase costs. This unit carries UL Listed and CE Marked certifications, with ANSI and CSA approvals and other global certifications that support regulatory compliance. Designed for OEMs and panel builders, it pairs with Power Xpert Release trip units for precise protection, while its four-pole drawout design simplifies installation and service, helping you improve efficiency and reduce total cost of ownership.

Product Information

Extended Description

MPS85N4WEAXX2C Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Double standard frame, 5000 A (NNAABBCC), 85 kA, Four-pole, Drawout vertical mounting, PXR20 LSIG trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPS85N4WEAXX2C
UPC
786689640460
Product Length/Depth
16.3 in
Product Height
16.8 in
Product Width
44.1 in
Product Weight
319 lb
Compliances
CCC Marked NEMA Compliant SABA Listed CE Marked
Certifications
ANSI CSA Certified UL Listed KEMA Certified Lloyd's Register 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 Power Xpert Release trip unit for Magnum PXR circuit breakers PXR 20/25 user manual Power Xpert Release trip unit for Magnum PXR circuit breakers PXR 20/25 user manual Power Xpert Release trip unit for Magnum PXR circuit breakers PXR 20/25 user manual 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 - MPS85N4WEAXX2C Eaton Specification Sheet - MPS85N4WEAXX2C Magnum low-voltage power circuit breakers (ANSI and IEC) renewal parts and accessories Magnum PXR 20/25 electronic trip units time current curves Safer by design: arc energy reduction techniques Safer by design: arc energy reduction techniques Safer by design: arc energy reduction techniques
The four-pole drawout design provides robust protection in compact spaces, reducing wiring complexity and enabling quicker maintenance, which translates to lower labor costs and shorter downtime on critical lines. Business impact: improved safety margins and streamlined serviceability in switchgear assemblies; applications include panels and MCCs in automotive, food & beverage, and manufacturing environments. The PXR20 LSIG trip unit delivers adjustable protection curves and arc-energy management, enabling precise coordination with upstream devices and reducing nuisance trips. Business impact: enhanced system availability, better selectivity, and safer fault isolation. The Magnum frame supports a 5000 A rating and 85 kA interrupting capacity, supporting large motor and feeder protection in high-demand facilities. Application: high-burst loads and demanding mechanical equipment with strict safety standards. Compatibility with Power Xpert Protection Manager simplifies configuration, monitoring, and updates, delivering tangible ROI through lifecycle cost reduction. The drawout vertical mounting streamlines retrofit and service in existing enclosures, while the compact footprint helps maximize panel density and minimize cabinet depth.

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FAQs

Yes. The MPS85N4WEAXX2C is designed for Magnum PXR trip units, specifically the PXR20 LSIG, and uses a drawout vertical mounting suitable for common MV/LV switchgear envelopes. It fits standard drawout racks and supports straightforward field retrofit in existing cabinets, enabling you to upgrade protection without restructuring panels.
This model provides an 85 kA interrupting capacity with a 5000 A rated current (NNAABBCC), supporting high-demand feeder protection. It is a four-pole unit with a drawout design, optimized for reliable fault clearing in large motor circuits and critical distribution paths.
Best suited for industrial power distribution panels, MCCs, and motor control applications in manufacturing, process industries, and data centers. Its four-pole configuration, drawout mounting, and LSIG protection support selective coordination and transformer/feed protection in demanding environments.
The MPS85N4WEAXX2C carries UL Listed and CE Marked approvals, along with ANSI/CSA certifications and other global attestations. This broad certification set helps ensure regulatory compliance across North America and international projects, simplifying procurement for multinational facilities.
Power Xpert Release trip units enable precise protection and reduced nuisance tripping, while zone interlocking and arc-energy considerations improve safety. Coupled with Protection Manager integration, users gain better diagnostics, faster fault isolation, and lower maintenance costs, driving a favorable return on investment through higher uptime and extended component life.