Eaton MPSC203MEAXXSW Magnum LV Circuit Breaker - UL Listed

Part Number: MPSC203MEAXXSW
MPSC203MEAXXSW
Manufacturer
Eaton
Part number
MPSC203MEAXXSW
Category

Quick Summary

Eaton Magnum low voltage power circuit breaker protects critical electrical distribution in demanding industrial applications. It is engineered to reduce downtime by enabling fast maintenance with a drawout vertical design and motorized racking, minimizing switching risks in live switchgear. Engineers often contend with nuisance trips, miscoordination, and extended outages when upgrading large feeders or motors. The device carries UL Listed, CE Marked, and NEMA compliance, with additional Lloyd’s Register certification reinforcing safety and reliability across maritime and industrial environments. This combination supports safer commissioning, easier spares management, and scalable protection strategies for OEMs and maintenance teams, delivering improved system availability and lifecycle savings in power distribution architectures.

Product Information

Extended Description

MPSC203MEAXXSW Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Standard frame, 2000 A, 100 kA, Three-pole, Drawout vertical with motorized racking mounting, No trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPSC203MEAXXSW
UPC
786689639327
Product Length/Depth
14.6 in
Product Height
16.8 in
Product Width
16.2 in
Product Weight
118 lb
Compliances
CCC Marked CE Marked NEMA Compliant SABA Listed
Certifications
Lloyd's Register Certified UL Listed ANSI CSA Certified KEMA 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 Power Xpert Release trip unit for Magnum PXR circuit breakers PXR 20/25 user manual Power Xpert Release trip unit for Magnum PXR circuit breakers PXR 20/25 user manual Power Xpert Release trip unit for Magnum PXR circuit breakers PXR 20/25 user manual Circuit Protection, Power Breakers, Contactors and Fuses, Volume 4, Tab 3 Power Xpert Protection Manager x32 22.06 1 Power Xpert Protection Manager x32 22.06 1 Eaton Specification Sheet - MPSC203MEAXXSW Eaton Specification Sheet - MPSC203MEAXXSW Magnum low-voltage power circuit breakers (ANSI and IEC) renewal parts and accessories Magnum PXR 20/25 electronic trip units time current curves Safer by design: arc energy reduction techniques Safer by design: arc energy reduction techniques Safer by design: arc energy reduction techniques
High current capacity and fault withstand: With a 2000 A rating and 100 kA short-circuit withstand, this Magnum breaker reduces upstream coordination challenges and supports large feeders and motor loads, enabling safer, more reliable protection in heavy-usage environments. This translates to fewer nuisance trips and lower maintenance costs in continuous-operation facilities. Drawout vertical with motorized racking: The motorized racking feature simplifies maintenance work, enables quicker breaker withdrawal and insertion, and reduces live-switching risk, cutting downtime during testing or replacement in switchgear assemblies. Trip-unit flexibility: This model ships without a trip unit but is designed to accept Power Xpert Release (PXr) trip units for advanced protection, remote monitoring, and tailored protection curves. Compatibility with renewal parts and accessories: Access to Magnum renewal parts supports lifecycle management, spare-part availability, and lower total cost of ownership over the system’s life. Certifications and standards readiness: UL Listed, CE Marked, NEMA Compliant, and supplemental approvals from Lloyd’s Register reinforce regulatory compliance and global deployment, shortening design-in time and accelerating project approvals.

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FAQs

This model ships without a trip unit. To configure PXr, select the Magnum PXr compatible trip unit and mount it in the field or at the factory per Eaton's guidelines. Use the drawout vertical design for safe insertion/removal, connect bus and field wiring as specified in the MN013016EN manual, and follow safety procedures during installation to achieve optimal protection and monitoring performance.
The MPSC203MEAXXSW delivers a 2000 A continuous current rating and 100 kA short-circuit withstand. It is a three-pole, standard-frame device with drawout vertical mounting and no trip unit installed by default, meaning you can add a PXr trip unit later for advanced protection curves and remote monitoring while maintaining robust short-circuit protection.
Yes. With a three-pole configuration and 100 kA fault rating, it supports large motor feeders in manufacturing and processing lines. For enhanced motor protection and coordination, pair it with a Power Xpert Release trip unit and follow recommended protection schemes. Its drawout design also facilitates routine motor maintenance and replacements with minimal downtime.
The MPSC203MEAXXSW carries UL Listed, CE Marked, and NEMA compliant certifications, along with CCC Mark and Lloyd’s Register supporting safety and regulatory approval across global markets. These credentials help simplify procurement, ensure compliance with local and international standards, and reduce project risk during audits and commissioning.
Lifecycle support includes access to Magnum renewal parts and accessories, ensuring long-term availability of spares and replacements. The design allows future PXr upgrades, enabling ongoing optimization of protection settings. This translates to lower total cost of ownership, easier component replacements, and sustained reliability in critical power distribution networks.