Eaton Magnum LV circuit breaker MPSC303WEAXX2H - UL Listed

Part Number: MPSC303WEAXX2H
MPSC303WEAXX2H
Manufacturer
Eaton
Part number
MPSC303WEAXX2H
Category

Quick Summary

Eaton Magnum LV circuit breaker protects power systems by interrupting fault currents in industrial control panels and distribution boards. With rising motor loads and tighter codes, achieving reliable coordination and protecting equipment can be challenging. This unit carries UL Listed, CE Marked, and CSA Certified approvals, supporting compliance across North American and European installations. Its Power Xpert Release trip unit and drawout vertical mounting enable seamless integration with existing protection schemes, while the Magnum design helps reduce downtime and maintenance costs in demanding environments.

Product Information

Extended Description

MPSC303WEAXX2H Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Standard frame, 3000 A, 100 kA, Three-pole, Drawout vertical mounting, PXR20 LSIAM trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPSC303WEAXX2H
UPC
786689633233
Product Length/Depth
14.6 in
Product Height
16.8 in
Product Width
16.2 in
Product Weight
118 lb
Compliances
NEMA Compliant CCC Marked CE Marked SABA Listed
Certifications
CSA Certified ANSI UL Listed Lloyd's Register Certified KEMA 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 - MPSC303WEAXX2H Eaton Specification Sheet - MPSC303WEAXX2H 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
The MPSC303WEAXX2H delivers high-capacity protection with practical installation advantages. Feature → Business Impact → Application: Three-pole, 3000 A rating with 100 kA withstand capability supports heavy motor loads in medium-voltage spaces, delivering reliable fault interruption and improved system availability in motor control centers and power distribution panels. This aligns with uptime targets in manufacturing lines and data centers, reducing unscheduled downtime and replacement costs. Feature → Business Impact → Application: Drawout vertical mounting simplifies installation, maintenance, and hot-swapping without panel removal, enabling faster changeouts and safer maintenance in retrofit projects and new installations. Feature → Business Impact → Application: PXR20 LSIAM trip unit provides advanced protection coordination and configurable protection profiles, enhancing selectivity and reducing nuisance trips in complex automation environments. Feature → Business Impact → Application: Compliance with NEMA, CE, and CSA standards, plus extensive certifications, minimizes regulatory risk and accelerates project approval across global sites. Feature → Business Impact → Application: Integration with Power Xpert Protection Manager software supports centralized protection analytics, enabling proactive maintenance and better asset lifecycle management in process industries and facilities with multi-site operations. Feature → Business Impact → Application: Standard frame and compatible tooling streamline spare-part stocking and lifecycle planning, lowering total cost of ownership for large installation bases in mining, cement, and petrochemical sectors.

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FAQs

The MPSC303WEAXX2H is designed for drawout vertical mounting, allowing you to slide the breaker into and out of the panel without disconnecting wiring. This facilitates quick maintenance, testing, and replacement, while maintaining secure wiring connections and alignment with standard frame dimensions (14.6 in depth, 16.2 in width, 16.8 in height).
This model is rated for 3000 A with a 100 kA withstand at 480 V nominal in a three-pole configuration and uses the Power Xpert Release PX R20 LSIAM trip unit for advanced protection. It is compatible with Magnum PXR protection schemes and integrates with Power Xpert Protection Manager for centralized configuration and monitoring.
Yes. With three poles, high interrupting capacity, drawout mounting, and PX R20 trip unit compatibility, it is well suited for motor control centers, process automation panels, and distribution boards across manufacturing, water treatment, mining, and chemical processing environments.
The unit features UL Listed and CE Marked certifications, is CSA Certified, and carries additional approvals such as Lloyd's Register, KEMA, DNV GL, and ABS. It also aligns with NEMA compliance, enabling compliant deployments in North American and international facilities.
Lifecycle advantages include availability of Magnum renewal parts and accessories, easy drawout maintenance reduces downtime, and integration with Protection Manager enables predictive maintenance analytics. Together, these aspects lower total cost of ownership by reducing unplanned outages and speeding up part replacement in large site ecosystems.