Eaton MPSC303VEAXX2Q Magnum LV CB - UL Listed
Part Number: MPSC303VEAXX2Q
Quick Summary
The Eaton Magnum low voltage power circuit breaker protects motors, feeders, and switchgear in industrial power systems. End users often contend with nuisance trips, arc-flash risk, and the challenge of coordinating protection across multi-pole feeders. This unit is UL Listed, CE Marked, and NEMA compliant, with CSA certification and other approvals that ease global compliance. Its 3000 A frame and 100 kA short-circuit rating deliver dependable performance in demanding environments. When paired with the Power Xpert Release trip unit, it enables precise coordination and faster diagnostics, translating into reduced downtime and lower total cost of ownership.
Product Information
Extended Description
MPSC303VEAXX2Q Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Standard frame, 3000 A, 100 kA, Three-pole, Fixed vertical mounting, PXR25 LSIAM trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPSC303VEAXX2Q
UPC
786689637927
Product Length/Depth
14.6 in
Product Height
16.8 in
Product Width
16.2 in
Product Weight
118 lb
Compliances
CCC Marked SABA Listed CE Marked NEMA Compliant
Certifications
UL Listed CSA Certified KEMA Certified Lloyd's Register Certified ANSI 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 - MPSC303VEAXX2Q
Eaton Specification Sheet - MPSC303VEAXX2Q
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
Feature: High-current frame and protective rating → Business Impact: Supports 3000 A throughput and 100 kA fault current, reducing upstream protection coordination requirements and minimizing unplanned outages. Application: Ideal for main feeders and motor-start circuits in heavy industrial switchgear. Feature: Trip unit compatibility with Power Xpert Release (PXR25 LSIAM) → Business Impact: Enables selective coordination and faster fault diagnostics through integrated protection management. Application: Suitable for complex protection schemes in manufacturing lines and process industries. Feature: Fixed vertical mounting with standard Magnum frame → Business Impact: Simplifies installation, improves panel fit, and reduces commissioning time. Application: Retrofit and new-build projects in MCCs and distribution panels where space is at a premium. Feature: Comprehensive certifications and compliance → Business Impact: Streamlines regulatory approvals across regions, reducing QA cycles and field rework. Application: Global deployment in facilities requiring UL, CE, NEMA, CSA, and other approvals. Feature: Robust build with clear serviceability → Business Impact: 118 lb weight and defined dimensions support straightforward maintenance and replacement. Application: Moderate to heavy-duty environments where serviceability affects uptime and lifecycle costs. Feature: Detailed documentation and product data → Business Impact: Supports fast quoting, safer installation, and predictive maintenance planning. Application: Engineering teams integrating Magnum breakers into control architecture and protection schemes.
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FAQs
This breaker uses fixed vertical mounting with a standard Magnum frame. Dimensions are 14.6 in depth, 16.8 in height, and 16.2 in width, with a weight of 118 lb, facilitating integration into typical LV switchgear and MCC enclosures.
Yes. The unit features a PXR25 LSIAM trip unit and is designed for compatibility with Magnum PXR protection systems, enabling coordinated protection and enhanced diagnostics via Power Xpert software.
The MPSC303VEAXX2Q carries UL Listed, CE Marked, CSA Certified, KEMA Certified, Lloyd's Register Certified, ANSI, ABS Certified, and DNV GL Certified certifications, along with CCC Marked and NEMA Compliant status where applicable.
The breaker is three-pole with a current rating of 3000 A and an interrupting rating of 100 kA. It is designed for standard Magnum frame protection in LV distribution and motor circuits.
Best for main protection in switchgear, large feeders, and motor-start circuits in manufacturing, process, and infrastructure facilities where reliable protection coordination and regulatory compliance are critical.