Eaton MPSC203WEAXX2A Magnum low voltage power circuit breaker - UL Listed

Part Number: MPSC203WEAXX2A
MPSC203WEAXX2A
Manufacturer
Eaton
Part number
MPSC203WEAXX2A
Category

Quick Summary

Eaton Magnum low voltage power circuit breaker provides robust overcurrent protection for large electrical feeders in industrial facilities. This unit combines a Magnum PXR20 LSI trip system with a standard frame design to deliver reliable protection and easy field coordination. Engineers often struggle with nuisance trips, poor selectivity, and difficult maintenance; the PXR20 trip unit helps minimize mis-trips while enabling precise coordination across heavy loads. This model is UL Listed and CE Marked, with additional compliance to NEMA, SABA, and CCC, supporting global deployment. By leveraging Eaton's protection ecosystem, you can streamline maintenance and lifecycle costs while ensuring compliance across multi-site operations. Secondary benefits include compatibility with Power Xpert Protection Manager and straightforward retrofit into existing panels.

Product Information

Extended Description

MPSC203WEAXX2A Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Standard frame, 2000 A, 100 kA, Three-pole, Drawout vertical mounting, PXR20 LSI trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPSC203WEAXX2A
UPC
786689636913
Product Length/Depth
14.6 in
Product Height
16.8 in
Product Width
16.2 in
Product Weight
118 lb
Compliances
CCC Marked NEMA Compliant SABA Listed CE Marked
Certifications
UL Listed ANSI KEMA Certified CSA Certified Lloyd's Register Certified 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 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 - MPSC203WEAXX2A Eaton Specification Sheet - MPSC203WEAXX2A 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 Magnum PXR20 LSI trip unit provides precise protection curves and fast coordination, reducing nuisance trips and enabling targeted protection of critical loads in complex distributions. This translates to improved uptime and lower maintenance costs in manufacturing lines and data centers. Feature → Business Impact → Application: A 2000 A standard frame with 100 kA interrupting capacity protects large feeders and motors, delivering safe interruption of fault currents in demanding processes such as steel, chemical, and processing plants. Feature → Business Impact → Application: Drawout vertical mounting simplifies installation, testing, and maintenance, shortening outage windows and enabling quicker retrofit into existing switchgear in retrofit projects and plant upgrades. Feature → Business Impact → Application: Broad compatibility with Magnum renewal parts and the Power Xpert ecosystem lowers lifecycle costs and accelerates modernization programs in facilities management and multi-site deployments. Feature → Business Impact → Application: Global certifications including UL Listed, CE Marked, NEMA Compliant, SABA Listed, and CCC Marked support regulatory compliance and cross-border installations across automotive, food & beverage, and pharma sectors. Feature → Business Impact → Application: Compact footprint and detailed specifications (14.6 in depth, 16.8 in height, 16.2 in width, 118 lb) enable precise panel planning and space optimization in compact switchgear, data centers, and process lines. Feature → Business Impact → Application: Seamless integration with Power Xpert Protection Manager provides centralized protection management, improving visibility, incident response, and maintenance planning for engineers and reliability teams.

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FAQs

Yes. The MPSC203WEAXX2A is a three-pole, drawout vertical mounting unit designed for Magnum frame panels. Its standard dimensions (14.6 in depth, 16.8 in height, 16.2 in width) and weight (118 lb) support straightforward retrofit into compatible switchgear. Always verify rail compatibility and clearance in the target enclosure, and reference Eaton’s manuals for installation steps and wiring schemes.
This breaker provides 2000 A frame capability with a 100 kA interrupting rating, supporting heavy feeder protection. The PXR20 LSI trip unit enables precise electronic protection, with adjustable overload and short-circuit protection and enhanced coordination. Time-current characteristics are available for tuning, and it integrates with Eaton’s protection software for monitoring and configuration.
Absolutely. The combination of high interrupting capacity, three-pole protection, and PXR20 electronics makes it suitable for large data centers, chemical plants, and heavy-industrial processes. Its drawout design supports maintenance outages with minimal downtime, while its robust protection improves uptime for critical loads and helps meet reliability targets in mission-critical environments.
The MPSC203WEAXX2A carries UL Listed and CE Marked certifications, and complies with NEMA, SABA, and CCC requirements. These certifications support global deployment and regulatory compliance for multinational facilities, reducing risk during audits and cross-border projects.
Lifecycle cost benefits come from Magnum renewal parts and broad compatibility with the Magnum family, minimizing spare part variety and stock. Access to manuals, application notes, and the Power Xpert Protection Manager ecosystem helps optimize maintenance scheduling, reduce downtime, and justify the investment through improved reliability and long-term total cost of ownership.