Eaton MPSC303VEAXX2A Magnum breaker - UL Listed

Part Number: MPSC303VEAXX2A
MPSC303VEAXX2A
Manufacturer
Eaton
Part number
MPSC303VEAXX2A
Category

Quick Summary

Eaton Magnum low voltage power circuit breaker protects electrical distribution by interrupting fault currents in industrial power panels. Engineers often face nuisance trips and coordination challenges when protecting complex motor and panelboard networks. This unit is CE Marked, UL Listed, and CSA Certified, with additional NEMA compliance for diverse North American and international installations. Its Magnum PXR20 LSI trip unit and fixed vertical mounting simplify tuning, coordination studies, and field maintenance. By combining robust protection with site-ready documentation and compatibility with Eaton's Power Xpert ecosystem, this breaker helps reduce downtime, improve safety margins, and streamline procurement for panel builders and OEMs.

Product Information

Extended Description

MPSC303VEAXX2A Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Standard frame, 3000 A, 100 kA, Three-pole, Fixed vertical mounting, PXR20 LSI trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPSC303VEAXX2A
UPC
786689637842
Product Length/Depth
14.6 in
Product Height
16.8 in
Product Width
16.2 in
Product Weight
118 lb
Compliances
CE Marked SABA Listed CCC Marked NEMA Compliant
Certifications
ANSI KEMA Certified UL Listed 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 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 - MPSC303VEAXX2A Eaton Specification Sheet - MPSC303VEAXX2A 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
High interrupting capacity and three-pole design deliver reliable protection for industrial feeders, reducing system-wide fault impact and enabling tighter coordination studies in motor control centers and switchgear. The Power Xpert Release PXR20 LSI trip unit improves selectivity and reduces nuisance trips, delivering measurable uptime gains in manufacturing lines and power distribution bays. Fixed vertical mounting and a standard frame simplify installation, saving engineering time during panel layouts and field retrofits while ensuring consistent performance across legacy and new builds. Certifications such as UL Listed, CE Marked, and CSA Certified provide compliance confidence for global projects, minimizing risk during audits and customer inspections. Documentation and support assets, including application papers and product aids, ease maintenance planning and spare parts provisioning. Compatibility with Eaton’s Power Xpert Protection Manager enables remote monitoring and faster fault diagnosis, driving smarter asset management in plant environments.

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FAQs

The MPSC303VEAXX2A is a three-pole unit designed for fixed vertical mounting within standard low-voltage panels. It features a Magnum frame suitable for panel boards and switchgear installations, with dimensions specified as 14.6 in depth, 16.8 in height, and 16.2 in width, and a weight of 118 lb, facilitating straightforward installation and replacement.
This model uses a PXR20 LSI trip unit, with a high interrupting capacity of 100 kA and a load current capability aligned to a 3000 A standard frame. It is a three-pole device, designed for reliable protection of feeders and motor circuits in industrial environments.
Yes. Eaton provides a zone selective interlocking application paper to guide coordination strategies with Magnum PXR trip units. This supports safer, faster discrimination during faults and can reduce arc-flash energy by improving selective coordination in complex feeders.
The MPSC303VEAXX2A carries UL Listed, CE Marked, and CSA Certified certifications, along with NEMA compliance. This mix of approvals supports global deployment, regulatory audits, and customer-required standards for electrical protection equipment.
It pairs with Eaton’s Power Xpert Protection Manager for centralized monitoring and diagnostics. The availability of manuals, application notes, and product aids expedites installation, maintenance planning, and spare parts management, helping to optimize total cost of ownership and asset lifecycle.