Eaton MPS85A4MEAXXSW Magnum Breaker - UL Listed
Part Number: MPS85A4MEAXXSW
Quick Summary
The Eaton Magnum low voltage power circuit breaker protects motor and distribution circuits in industrial power systems. For engineers grappling with space constraints and maintenance timing, the drawout vertical design with motorized racking streamlines replacement and testing. It carries CE Marked, UL Listed, and Lloyd's Register certifications, enabling global compliance and safer operation. When used in large power distribution and motor control applications, this unit delivers predictable protection and lowers total cost of ownership through robust construction and straightforward field retrofit.
Product Information
Extended Description
MPS85A4MEAXXSW Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Double standard frame, 5000 A (NABCNABC), 85 kA, Four-pole, Drawout vertical with motorized racking mounting, No trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPS85A4MEAXXSW
UPC
786689636081
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 CCC Marked SABA Listed
Certifications
Lloyd's Register Certified UL Listed CSA Certified KEMA Certified ANSI ABS Certified DNV GL 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 - MPS85A4MEAXXSW
Eaton Specification Sheet - MPS85A4MEAXXSW
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: Drawout vertical with motorized racking mounting. Benefit: Enables quick, safe maintenance and fast replacement of worn components, reducing downtime and improving maintenance planning. Application: Suitable for installation in large switchgear and control panels where regular pull-out inspections are required. Feature: Four-pole design with high fault withstand capability. Benefit: Enhanced fault isolation and coordinated protection across multi-line feeders, improving system reliability and safety. Application: Ideal for complex motor control centers and distributed power architectures in industrial facilities. Feature: No trip unit installed. Benefit: Provides flexibility to integrate with existing protection schemes or customer-supplied trip units, avoiding unnecessary rework. Application: Useful for OEMs and retrofit projects needing custom protection configurations. Feature: High interrupting rating and frame capability (5000 A frame and 85 kA). Benefit: Supports high fault currents and demanding applications with robust protection margins. Application: Suitable for heavy-duty motor loads and critical power distribution in manufacturing and data center environments. Feature: Comprehensive certifications (CE Marked, UL Listed, Lloyd's Register Certified, and others). Benefit: Facilitates global project approvals and reduces compliance risk across markets. Application: Common in international installations requiring stringent regulatory adherence. Feature: Large footprint and drawout compatibility (16.3 in depth, 16.8 in height, 44.1 in width, 319 lb). Benefit: Clear packaging for panel designers to plan installation and ensure proper fit. Application: Panels and switchgear with standardized frame accommodations benefit from predictable installation.
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FAQs
This unit uses a four-pole, drawout vertical format with motorized racking, and a width of 44.1 in. Plan for panel opening clearances, mounting rails, and alignment with motorized racking gear. Ensure compatibility with existing trip schemes or procure a separate trip unit if required. Confirm dock height and depth allowances match 16.3 in depth and 16.8 in height specifications to avoid clearance issues during installation.
The MPS85A4MEAXXSW is a high-capacity frame with 5000 A rating and 85 kA interrupting capability, designed to handle substantial fault currents. The breaker ships without a trip unit, so select a compatible Magnum PXr trip unit if you need advanced protection functions; otherwise integrate with your existing protection scheme to meet your protection coordination goals.
Yes. Its four-pole, drawout design and motorized racking are well-suited for motor control centers and OEM assembly lines where frequent maintenance and rapid replacement are common. The unit’s large frame and robust protection characteristics help minimize downtime and support reliable motor protection in demanding industrial environments.
The MPS85A4MEAXXSW carries CE Marked, NEMA Compliant, CCC Marked, and SABA Listed statuses, along with UL Listed, Lloyd's Register Certified, CSA Certified, KEMA Certified, ANSI, ABS, and DNV GL certifications. This breadth supports international deployments and helps meet regulatory requirements across regions and industries.
Motorized racking simplifies maintenance by enabling quick, controlled drawouts without manual handling, reducing downtime during preventive maintenance and fault diagnosis. The reliability of a robust frame and high interrupting capacity also lowers replacement frequency and maintenance costs, delivering a favorable total cost of ownership for large power distribution systems.