Eaton MPSC303VEAXX2H Magnum LV Circuit Breaker - PXR20 Trip Unit

Part Number: MPSC303VEAXX2H
MPSC303VEAXX2H
Manufacturer
Eaton
Part number
MPSC303VEAXX2H
Category

Quick Summary

The Eaton MPSC303VEAXX2H Magnum low voltage power circuit breaker provides reliable protection for industrial feeders and panel boards. Engineers often grapple with nuisance trips, complex protection coordination, and maintenance downtime that disrupts production. UL Listed, CE Marked, and NEMA compliant, this unit also aligns with CSA certification and regional approvals as needed. With a Power Xpert Release PXR20 trip unit and a standard frame design, it delivers precise protection, straightforward integration with Power Xpert Protection Manager, and scalable coordination for growing electrical systems. The result is increased uptime, streamlined maintenance, and a safer, compliant power distribution backbone.

Product Information

Extended Description

MPSC303VEAXX2H Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Standard frame, 3000 A, 100 kA, Three-pole, Fixed vertical mounting, PXR20 LSIAM trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPSC303VEAXX2H
UPC
786689637910
Product Length/Depth
14.6 in
Product Height
16.8 in
Product Width
16.2 in
Product Weight
118 lb
Compliances
SABA Listed CCC Marked CE Marked NEMA Compliant
Certifications
Lloyd's Register Certified UL Listed CSA Certified ANSI 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 x64 22.6 1 Power Xpert Protection Manager x64 22.6 1 Eaton Specification Sheet - MPSC303VEAXX2H Eaton Specification Sheet - MPSC303VEAXX2H 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
Three-pole, fixed vertical mounting in a standard frame provides rugged installation in dense panel layouts, reducing alignment time and enhancing fault isolation. This configuration enables faster response to faults, translating into lower downtime and safer maintenance windows. The PXR20 LSIAM trip unit delivers advanced protection logic, enabling selective coordination that minimizes unnecessary trips while safeguarding critical loads. In practice, this means improved machine uptime and easier engineering when expanding or reconfiguring power distribution networks. With a 3000 A frame rating and 100 kA interrupting capacity, the breaker accommodates high fault currents common in process plants and large motor drives, supporting reliable operation in demanding environments. Compatibility with Magnum family accessories and Power Xpert Protection Manager ensures streamlined setup, monitoring, and centralized protection settings across multiple panels. These capabilities reduce lifecycle costs and simplify compliance with industry standards for panel protection and motor control.

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FAQs

The MPSC303VEAXX2H features a fixed vertical mounting arrangement with a three-pole, standard frame design. This combination supports secure, space-efficient installation in control panels and switchgear, while maintaining alignment with Magnum PXR components for consistent protection across the distribution system.
This unit is a three-pole, 3000 A frame with a 100 kA interrupting rating. It utilizes the PXR20 LSIAM trip unit, enabling precise protection settings and reliable operation under high fault currents typical in motor feeders and industrial panels.
Yes. The breaker is UL Listed and CE Marked, with additional compliance across regional standards including NEMA and CSA certifications. These marks support regulatory alignment and simplify cross-border project procurement and installation.
The PXR20 trip unit is designed to work with Eaton’s Power Xpert Protection Manager, enabling centralized protection settings, monitoring, and fast fault diagnosis. This integration reduces engineering time, improves coordination, and supports scalable protection across multiple panels in a plant.
Eaton publishes Magnum renewal parts and accessories, with service documentation available in the Magnum renewal catalog and manuals. Refer to the provided application notes and user guides for compatible parts and upgrade paths, ensuring long-term reliability and easier maintenance.