Eaton MPS85A4MEAXX2C Magnum LV Circuit Breaker - 85 kAIC

Part Number: MPS85A4MEAXX2C
Manufacturer
Eaton
Part number
MPS85A4MEAXX2C

Quick Summary

Eaton Magnum low voltage power circuit breaker is designed to protect industrial power distribution within panels and feeders. This solution helps mitigate downtime and equipment damage by delivering robust, reliable protection in demanding environments. UL Listed, CE Marked, and NEMA compliant, the unit meets essential safety and performance standards while integrating with Magnum PXR trip units for scalable protection. With Power Xpert Release functionality and motorized racking, it accelerates maintenance cycles and supports cost-effective, compliant operation across manufacturing floors and data centers alike.

Product Information

Extended Description

MPS85A4MEAXX2C 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, PXR20 LSIG trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPS85A4MEAXX2C
UPC
786689636104
Product Length/Depth
16.3 in
Product Height
16.8 in
Product Width
44.1 in
Product Weight
319 lb
Compliances
NEMA Compliant CCC Marked CE Marked SABA Listed
Certifications
KEMA Certified ANSI Lloyd's Register Certified UL Listed CSA Certified ABS Certified DNV GL Certified
Frame
Double standard
Number of poles
Four-pole
Type
Magnum PXR
Frame
Double standard
Series
Magnum
Trip Type
PXR20 LSIG
Number of poles
Four-pole
Rated uninterrupted current (Iu)
5000 A
Interrupt rating
85 kAIC
Interrupt rating
85 kAIC
Rated uninterrupted current (Iu)
5000 A
Four-pole Magnum PXR frame provides high fault current protection with a 5000 A rated uninterrupted current (Iu) and an 85 kAIC interrupt rating, enabling reliable operation in large feeders and motor circuits. Business impact: improved system availability and reduced risk of arc flash events, supporting uptime in critical processes; application: heavy industrial drives and processing plants. The drawout vertical design with motorized racking mounting simplifies installation and maintenance, allowing technicians to rack breakers without live-line exposure and minimizing shutdown time. Business impact: faster maintenance windows and lower labor costs; application: routine swaps, diagnostics, and upgrade projects. The PXR20 LSIG trip unit offers advanced overcurrent protection, enabling selective coordination and precise fault isolation. Business impact: improved selectivity reduces unplanned outages; application: complex power distribution networks in manufacturing and facilities with dense loading. The unit carries multiple certifications including UL Listed, CE Marked, and NEMA Compliant, ensuring regulatory alignment and broad market access. Business impact: easier procurement and faster project approvals; application: regulated sectors seeking certified protection. Frame compatibility and the Magnum PXR family support scalable protection schemes, enabling customers to standardize parts across multi-line installations. Business impact: reduced spare parts assortment and streamlined procurement; application: multi-line panels and retrofit projects. Drawout, double standard frame construction provides flexibility for future expansion and easier retrofit into existing configurations. Business impact: lower long-term total cost of ownership and smoother upgrades; application: panel modernization and new installations alike.

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FAQs

The unit uses a drawout vertical design with motorized racking for safe, fast installation. Follow the Magnum PXR installation guide mn013016en and the quick-start materials for PXR with four-pole configurations to ensure correct wiring and sequencing.
It provides a rated uninterrupted current (Iu) of 5000 A and an interrupt rating of 85 kAIC, four-pole configuration, with the PXR trip unit for advanced protection control.
Yes. Its high Iu and 85 kAIC interrupt rating, along with four-pole protection and PXR trip unit, make it well-suited for data centers, large motors, and intensive manufacturing applications requiring reliable coordination.
The breaker is UL Listed, CE Marked, and NEMA Compliant, among other certifications, with additional listings such as SABA and CCC noted in product documentation, supporting compliance across global markets.
Motorized racking enables safer, faster breaker replacement without full system shutdowns, reducing downtime, labor costs, and improving overall equipment uptime, delivering measurable ROI in maintenance-heavy environments.