Eaton MPS85N4HEAXX2S circuit breaker - UL Listed

Part Number: MPS85N4HEAXX2S
MPS85N4HEAXX2S
Manufacturer
Eaton
Part number
MPS85N4HEAXX2S
Category

Quick Summary

Eaton Magnum low voltage power circuit breaker protects industrial power distribution by interrupting fault currents. Engineers often struggle with selectivity, coordination, and downtime when protecting critical machinery and panels. This unit ships with UL Listed, CE Marked, and CSA Certified credentials, supporting global compliance and safety. Its PXR25 LSIGAM trip unit and four-pole design provide robust protection while preserving space in compact switchgear. Designed for easy installation and reliable operation across harsh industrial environments, it helps reduce risk and total cost of ownership.

Product Information

Extended Description

MPS85N4HEAXX2S Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Double standard frame, 5000 A (NNAABBCC), 85 kA, Four-pole, Fixed horizontal mounting, PXR25 LSIGAM trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPS85N4HEAXX2S
UPC
786689636623
Product Length/Depth
16.3 in
Product Height
16.8 in
Product Width
44.1 in
Product Weight
319 lb
Compliances
NEMA Compliant SABA Listed CCC Marked CE Marked
Certifications
KEMA Certified Lloyd's Register Certified UL Listed CSA Certified ANSI DNV GL Certified ABS 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 x32 22.06 1 Power Xpert Protection Manager x32 22.06 1 Eaton Specification Sheet - MPS85N4HEAXX2S Eaton Specification Sheet - MPS85N4HEAXX2S 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 interrupting capacity enables reliable protection across demanding power feeds. The MPS85N4HEAXX2S offers a 5000 A interrupting rating (NNAABBCC) and 85 kA short-circuit withstand, reducing equipment damage and downtime in motor feeders and distribution panels. Four-pole, fixed horizontal mounting provides balanced protection and straightforward integration, improving coordination and enabling compact panel layouts for production lines and process plants. PXR25 LSIGAM trip unit delivers precise protection with adjustable settings for selective coordination, helping you reduce nuisance trips and improve reliability for critical loads. Global certifications (UL Listed, CE Marked, CSA Certified) simplify multi-region procurement and project approvals, speeding up panel builds and OEM integrations. Compatibility with Magnum renewal parts and the Power Xpert ecosystem lowers lifecycle costs, eases retrofits, and supports long-term spare-part strategies. Extensive documentation and data — including specification sheets, time-current curves, and application notes — accelerates design validation, commissioning, and maintenance planning.

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FAQs

The MPS85N4HEAXX2S uses fixed horizontal mounting and a four-pole configuration to fit standard control panels and switchgear. It is compatible with Magnum PXR trip units and accepts common accessory renewal parts, simplifying retrofits and new builds in industrial automation environments.
Key ratings include a 5000 A interrupting capacity (NNAABBCC) and an 85 kA short-circuit withstand. The unit employs the PXR25 LSIGAM electronic trip unit for precise, adjustable protection, and it is designed as a four-pole device for balanced three-phase protection in power distribution.
Yes. The four-pole design, high short-circuit withstand, and LSIGAM trip unit support motor control center protection, providing fast fault interruption, selective coordination, and reliable overload protection for large motors and associated feeders in manufacturing environments.
This breaker is UL Listed, CE Marked, and CSA Certified, with additional certifications listed such as ANSI and DE/GL certifications. These credentials support global deployment, regulatory compliance, and safe operation across diverse jurisdictions.
Eaton provides comprehensive manuals, time-current curves, application papers, and renewal parts catalogs. Availability of Power Xpert Release trip units and compatibility with Magnum accessories enables easier upgrades, reduced maintenance downtime, and a lower total cost of ownership over the product lifecycle.