Eaton MPS85N4HEAXXSW Magnum low voltage power circuit breaker - UL Listed

Part Number: MPS85N4HEAXXSW
Manufacturer
Eaton
Part number
MPS85N4HEAXXSW

Quick Summary

Eaton Magnum low voltage power circuit breaker MPS85N4HEAXXSW provides reliable overcurrent protection for industrial switchgear and control panels. In demanding facilities, configuring trip units and coordinating protective devices can slow commissioning and increase maintenance costs. This model's no-trip-unit design offers simpler installation, while UL Listed, CE marked, and CSA/ANSI/KEMA certifications support global compliance. As a four-pole, fixed-horizontal breaker with a 5000 A interrupting rating and 85 kA short-circuit withstand, it scales for larger panels and demanding IEC/IEEE environments. With a compact footprint and compatibility with standard power distribution practices, it helps OEMs reduce spare parts and streamline procurement.

Product Information

Extended Description

MPS85N4HEAXXSW Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Double standard frame, 5000 A (NNAABBCC), 85 kA, Four-pole, Fixed horizontal mounting, No trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPS85N4HEAXXSW
UPC
786689636579
Product Length/Depth
16.3 in
Product Height
16.8 in
Product Width
44.1 in
Product Weight
319 lb
Compliances
CE Marked CCC Marked SABA Listed NEMA Compliant
Certifications
UL Listed KEMA Certified CSA Certified ANSI Lloyd's Register Certified DNV GL Certified ABS Certified
Feature → Business Impact → Application: The four-pole, fixed-horizontal design delivers robust protection while simplifying installation in existing switchgear and control cabinets, reducing commissioning time for panel builders and OEMs. This translates to faster project timelines and lower labor costs in power distribution assemblies used across manufacturing lines and data centers. The high interrupting capacity of 5000 A and 85 kA withstand provides reliable fault containment in facilities with elevated fault current levels, improving uptime and reducing unplanned downtime in critical processes. Feature → Business Impact → Application: No trip unit reduces configuration complexity and spare-parts inventory, cutting maintenance overhead and training time for maintenance staff in industrial plants and process facilities. Feature → Business Impact → Application: Fixed horizontal mounting supports standard panel layouts, enabling straightforward retrofits and scalable protection schemes without re-engineering enclosures or bus duct. Feature → Business Impact → Application: Dimensional footprint (16.3 in depth, 16.8 in height, 44.1 in width) aids space planning and ensures compatibility with existing rack and cabinet designs in switchgear and motor control centers. Feature → Business Impact → Application: Global certifications (UL Listed, CE Marked, CSA, etc.) streamline supplier approvals and reduce procurement risk for multinational OEMs installing panels in diverse markets. Feature → Business Impact → Application: Heavier, robust construction (319 lb) enhances durability in harsh environments and supports long service life, lowering lifecycle costs for critical electrical protection equipment.

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FAQs

Yes. The MPS85N4HEAXXSW is a four-pole, fixed-horizontal Magnum breaker designed for straightforward mounting in standard low-voltage switchgear and control panels. Its fixed mounting simplifies retrofits and minimizes additional hardware, helping you maintain panel density while preserving protective performance and alignment with existing bus configurations.
Key specs include a 4-pole configuration, 5000 A interrupting rating, and 85 kA short-circuit withstand. It is a no-trip-unit variant with fixed installation. The unit is UL Listed, CE marked, and compliant with multiple standards, making it suitable for global panel builds and diverse electrical environments.
Best suited for power distribution panels, motor control centers, and switchgear in industrial facilities where simple, robust protection is required. It excels in environments needing reliable fault interruption with minimal configuration, and it pairs well with standard protection schemes in manufacturing, processing, and utilities sectors.
The breaker carries UL Listed, CE Marked, CSA Certified, ANSI, and other certifications such as KEMA, Lloyd's Register, DNV GL, and ABS, alongside NEMA compliance. This broad certifications portfolio supports global project approvals, reduces compliance risk, and accelerates procurement with multinational customers.
With no trip unit, maintenance is simplified and parts inventory is reduced, lowering lifecycle costs. The high interrupting rating and rugged construction contribute to longer service intervals and fewer unplanned outages, delivering a favorable total cost of ownership in facilities with frequent fault events or stringent uptime requirements.