Eaton MPS84N4WEAXXSW Magnum LV Breaker - 85 kAIC UL Listed

Part Number: MPS84N4WEAXXSW
MPS84N4WEAXXSW
Manufacturer
Eaton
Part number
MPS84N4WEAXXSW
Category

Quick Summary

The MPS84N4WEAXXSW Magnum LV Breaker protects four-pole low-voltage power circuits in industrial distribution panels. When upgrading legacy gear engineers face compatibility gaps downtime and uncertain regulatory compliance. This unit carries UL Listed CE Marked and CSA Certified credentials to meet global safety and performance standards. Designed for drawout vertical mounting with a double standard frame it delivers reliable protection for high current feeders while simplifying installation in harsh industrial environments. While the base unit is specified without a trip unit it remains PXR compatible enabling future protection management upgrades without replacing the breaker itself. This combination of rugged protection broad certifications and retrofit flexibility provides a clear path to compliant resilient power distribution.

Product Information

Extended Description

MPS84N4WEAXXSW Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Double standard frame, 4000 A (NNAABBCC), 85 kA, Four-pole, Drawout vertical mounting, No trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPS84N4WEAXXSW
UPC
786689629434
Product Length/Depth
16.3 in
Product Height
16.8 in
Product Width
44.1 in
Product Weight
319 lb
Compliances
CE Marked NEMA Compliant SABA Listed CCC Marked
Certifications
CSA Certified Lloyd's Register Certified ANSI KEMA Certified UL Listed 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)
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 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 - MPS84N4WEAXXSW Eaton Specification Sheet - MPS84N4WEAXXSW 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
High current protection with 4000 A Iu and 85 kAIC interrupt rating ensures rapid fault clearing and protects downstream equipment, reducing unplanned downtime. Four-pole double standard Magnum PXR frame with drawout vertical mounting simplifies installation and maintenance in crowded switchgear, improving mean time to repair. Broad certification coverage including UL Listed CE Marked and CSA Certified streamlines procurement and regulatory compliance for global deployments. The drawout design supports easy replacements and upgrades without system-wide rewiring, while compatibility with PXR trip units provides a scalable path to enhanced protection management. Enclosure planning is facilitated by exact dimensions and weight: 16.3 in length, 16.8 in height, 44.1 in width, 319 lb, helping ensure proper fit in existing electrical rooms. The unit is designed to accept renewal parts and service documentation to support long-term lifecycle management.

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FAQs

The MPS84N4WEAXXSW is designed for drawout vertical mounting within a double standard frame. It is a four-pole unit intended for panelboard installations and switchgear where easy extraction, inspection, and replacement are needed. The mounting approach supports straightforward alignment with bus bars and simplifies routine maintenance in crowded electrical rooms.
This breaker provides a rated uninterrupted current (Iu) of 4000 A and an interrupt rating of 85 kAIC. It is a four-pole Magnum PXR type with a double standard frame. The catalog number is MPS84N4WEAXXSW, and the unit supports high fault-current protection for demanding industrial feeders.
Yes. The four-pole design and high interrupt rating make it appropriate for industrial power distribution and machine protection. Its compact drawout footprint, robust construction, and compatibility with PXR protection management enable reliable protection for manufacturing lines, presses, and packaging equipment while meeting global safety standards.
The MPS84N4WEAXXSW carries UL Listed, CE Marked, and CSA Certified credentials, along with additional certifications referenced in Eaton documentation. This broad certification footprint supports procurement across regions, passes regulatory audits, and aligns with NEMA and other regional requirements for industrial electrical protection equipment.
The base unit is provided without a trip unit, but it is PXR compatible. You can retrofit with Power Xpert Release trip units for enhanced protection management and protection coordination. For deployment, refer to Eaton PXR product guides and the Protection Manager quick start materials to ensure proper integration and commissioning.