Eaton MPS85A4VEAXX2Q Power Circuit Breaker - UL Listed

Part Number: MPS85A4VEAXX2Q
MPS85A4VEAXX2Q
Manufacturer
Eaton
Part number
MPS85A4VEAXX2Q
Category

Quick Summary

The Eaton Magnum low voltage power circuit breaker delivers reliable protection for industrial motor starters and panelboards. Many projects face nuisance trips and protection gaps as duty cycles shift and loads vary, leading to unplanned downtime. It comes UL Listed, ANSI/CSA certifications, and CE marking with KEMA validation, supporting global deployments and regulatory compliance. By pairing the PXR25 LSIAM trip unit with Power Xpert Protection Manager compatibility, technicians gain faster setup, improved coordination, and lower total cost of ownership. Designed for panel builders and OEMs, this breaker also offers robust installation advantages and a foundation for scalable motor protection.

Product Information

Extended Description

MPS85A4VEAXX2Q Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Double standard frame, 5000 A (NABCNABC), 85 kA, Four-pole, Fixed vertical mounting, PXR25 LSIAM trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPS85A4VEAXX2Q
UPC
786689636203
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
KEMA Certified UL Listed Lloyd's Register Certified ANSI CSA Certified 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 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 - MPS85A4VEAXX2Q Eaton Specification Sheet - MPS85A4VEAXX2Q 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
Feature: Magnum PXR trip unit on a double standard frame provides precise overload and short-circuit protection with selective coordination. Business Impact: Reduces nuisance trips and arc energy, improving technician safety and system uptime. Application: Ideal for motor control centers and critical power distribution in demanding manufacturing environments. Feature: High interrupting capacity of 85 kA with a 5000 A (NABCNABC) rating. Business Impact: Increases fault tolerance and safety margin, enabling secure feeders in large MCCs. Application: Suitable for high-load motor feeders and重要 distribution panels. Feature: Four-pole, fixed vertical mounting design. Business Impact: Simplifies installation, ensures consistent phasing, and reduces commissioning time. Application: Panel boards and switchgear in industrial plants with compact footprint requirements. Feature: Comprehensive certifications including UL Listed, ANSI, CSA, CE Marked, and KEMA/other validations. Business Impact: Streamlines global approvals and compliance for multinational projects. Application: Global deployments across OEMs and end users needing universal acceptance. Feature: Power Xpert Protection Manager compatibility and PXR trip-unit integration. Business Impact: Enhances remote monitoring, configuration efficiency, and rapid fault diagnosis, lowering maintenance costs. Application: OEMs and service teams adopting digitized protection management and predictive maintenance.

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FAQs

The MPS85A4VEAXX2Q is designed for fixed vertical mounting on standard frames and four-pole configurations, enabling straightforward retrofits in motor control centers and distribution panels. Its PXR trip unit supports alignment with common protection schemes, while its dimensions and mounting pattern minimize restructuring during upgrades. Confirm panel space and busbar clearance prior to installation for optimal performance.
Power Xpert Protection Manager provides centralized configuration, monitoring, and diagnostics for Magnum breakers with PXR trip units. This enables faster fault isolation, streamlined setting changes, and improved protection coordination across multiple devices. For engineers, it reduces commissioning time and supports proactive maintenance while preserving selectivity in complex power distribution networks.
Yes. The Magnum PXR with LSIAM trip unit is designed to support selective coordination in MCCs thanks to precise settings and reliable trip curves. Its high interrupting capacity and four-pole design help ensure downstream devices operate only when necessary, reducing the risk of cascading trips and preserving critical loads in large motor circuits.
The MPS85A4VEAXX2Q carries UL Listed, ANSI, CSA, CE Mark, and KEMA certifications, along with Lloyd's Register and other recognized validations. These certifications confirm conformity with global safety and performance requirements, simplifying global procurement, project approvals, and regulatory compliance for multinational installations and supplier audits.
Regular maintenance benefits from PXR-assisted diagnostics and remote monitoring, enabling condition-based servicing and reduced unplanned downtime. The durable four-pole design and robust protection reduce nuisance trips, while global certifications support long-term asset integrity and lower lifecycle costs through improved uptime and predictable spare parts compatibility.