Eaton MPS85A4VEAXX2S Magnum LV Circuit Breaker - UL Listed

Part Number: MPS85A4VEAXX2S
MPS85A4VEAXX2S
Manufacturer
Eaton
Part number
MPS85A4VEAXX2S
Category

Quick Summary

Eaton Magnum low voltage circuit breaker safeguards distribution panels in industrial automation applications. Engineers confront coordination challenges and downtime when protection schemes aren’t aligned with system demands. UL Listed and CSA Certified with CE marking, plus additional quality checks (KEMA, Lloyd’s, ANSI) support regulatory compliance. This model delivers reliable protection with a four-pole PXR25 LSIGAM trip unit for scalable industrial service. In practice, manufacturers gain uptime, robust coordination, and easier upgrade paths, while staying compliant with global standards. This page outlines key specifications, installation considerations, and the business value you can expect from the MPS85A4VEAXX2S. Leverage its 16.3 inch depth, 16.8 inch height, and 44.1 inch width for informed panel layout and serviceability.

Product Information

Extended Description

MPS85A4VEAXX2S Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Double standard frame, 5000 A (NABCNABC), 85 kA, Four-pole, Fixed vertical mounting, PXR25 LSIGAM trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPS85A4VEAXX2S
UPC
786689636210
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 CE Marked CCC Marked
Certifications
UL Listed CSA Certified KEMA Certified Lloyd's Register 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 Magnum PXR low voltage power circuit breakers user manual Magnum PXR low voltage power circuit breakers user manual Magnum PXR low voltage power circuit breakers 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 - MPS85A4VEAXX2S Eaton Specification Sheet - MPS85A4VEAXX2S Magnum low-voltage power circuit breakers (ANSI and IEC) renewal parts and accessories Magnum PXR 20/25 electronic trip units time current curves Cyber security white paper Cyber security white paper Cyber security white paper
Feature → Business Impact → Application: The MPS85A4VEAXX2S uses a four-pole Magnum PXR frame with a LSIGAM trip unit, enabling precise coordination and selective tripping across feeders, which translates to reduced downstream disruption and faster fault isolation in complex manufacturing lines. This improves uptime and safety in high-density panels, ideal for automotive assembly and process automation environments. Feature → Business Impact → Application: Fixed vertical mounting simplifies cabinet integration and retrofits within existing Magnum-PXR installations, cutting installation time and minimizing field wiring changes. This is especially valuable for upgrades in legacy plants where space is constrained and downtime is costly. Feature → Business Impact → Application: The 5000 A NABCNABC withstand and 85 kA interrupting rating provide robust protection for large motor loads and high-energy processes, delivering reliable fault handling in steel mills and chemical processing facilities while meeting industry standards for protection. Feature → Business Impact → Application: UL Listed, CSA Certified, and CE Marked compliance, along with KEMA, Lloyd’s, ANSI, DNV GL, and ABS certifications, offer regulatory assurance and facilitate global project approvals, reducing procurement delays and accelerating panel build-outs. Feature → Business Impact → Application: Access to Eaton’s wide portfolio of mirrors and documentation, including the PXR product aid, interlock papers, and protection-manager software, enables seamless integration with Power Xpert Protection Manager and zone selective interlocking strategies, supporting advanced coordination and predictive maintenance programs. The combination of precise protection, straightforward mounting, and certified compliance makes this breaker a trusted choice for high-availability industrial power distribution.

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FAQs

Yes. The MPS85A4VEAXX2S is designed with the PXR25 LSIGAM trip unit and fixed vertical mounting, aligning with the Magnum PXR family. Retrofit steps include confirming space in the panel, ensuring compatible bus connections, and replacing the existing trip unit with the PXR model while following Eaton’s installation manual to recalibrate protection settings and perform functional testing after mounting.
The breaker occupies 16.3 inches in depth, 16.8 inches in height, and 44.1 inches in width, with a weight of about 319 pounds. It uses fixed vertical mounting compatible with Magnum-PXR frames, which simplifies alignment in existing panels and reduces the need for additional hardware. Plan for ventilation and service clearance around the unit per panel requirements.
This model is UL Listed and CSA Certified, CE Marked, and also carries additional certifications from KEMA, Lloyd’s Register, ANSI, DNV GL, and ABS. These multiple certifications support regulatory approvals in global markets, improve customer trust, and help meet project-specific procurement and safety requirements for industrial facilities.
Ideal for industrial automation, process lines, and power distribution panels in manufacturing facilities, chemical plants, and heavy industry. Its 85 kA interrupting rating and 5000 A withstand ensure reliable protection for large motors and high-energy loads, while the four-pole design supports robust coordination across feeder circuits in complex panel architectures.
Expect long service life with available renewal parts and a comprehensive set of documentation from Eaton, including manuals and application notes. ROI is driven by reduced downtime from improved coordination, fewer nuisance trips, and easier upgrades through compatible Power Xpert tools and zone selective interlocking strategies, all backed by strong certifications and standard-compliant performance.