Eaton MPSC303VEAXX2F Magnum circuit breaker - UL Listed

Part Number: MPSC303VEAXX2F
Manufacturer
Eaton
Part number
MPSC303VEAXX2F

Quick Summary

Eaton Magnum low-voltage circuit breaker protects industrial power systems from overloads and short circuits in motor control centers. For engineers, the challenge is delivering fast fault isolation without sacrificing availability, increasing maintenance intervals, or complicating enclosure layouts. This Magnum model features the Power Xpert Release PXR20 LSIGAM trip unit, providing precise coordination for three-pole protection in fixed vertical mounts, and it carries UL Listed, CE Marked, ANSI and CSA certifications. Together, these capabilities improve uptime, support selective coordination in power distribution and MCCs, and reduce total cost of ownership through easier installation and reliable protection. Its standard Magnum frame compatibility with existing enclosures further simplifies retrofits and new installs.

Product Information

Extended Description

MPSC303VEAXX2F Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Standard frame, 3000 A, 100 kA, Three-pole, Fixed vertical mounting, PXR20 LSIGAM trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPSC303VEAXX2F
UPC
786689637866
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 SABA Listed NEMA Compliant
Certifications
Lloyd's Register Certified KEMA Certified ANSI CSA Certified UL Listed ABS Certified DNV GL Certified
Power Xpert Release PXR20 LSIGAM trip unit enables precision protection and advanced coordination, reducing nuisance trips while maintaining fast fault clearing. This translates to fewer unplanned outages and lower maintenance costs for heavy-industry feeders and motor control centers. The integrated protection logic supports selective coordination, which confines faults to the nearest protective zone, safeguarding critical downstream equipment and improving overall system reliability. The device’s high interrupt capacity and robust three-pole design allow it to withstand high fault currents common in large industrial drives, minimizing damage to switchgear and downstream components. With fixed vertical mounting and a standard Magnum frame, installation and retrofitting are straightforward, enabling faster project timelines and consistent enclosure layouts across facilities. Certifications including UL Listed, CE Marked, ANSI and CSA support global procurement and compliance, reducing supplier diversity and stock complexity. Comprehensive documentation such as application notes, TCC curves, and product guides are readily available to engineers, accelerating safe configuration and startup. Compatibility with Magnum accessories and renewal parts ensures long-range lifecycle support, reducing total cost of ownership. Finally, the 3000 A frame with 100 kA interrupt capability provides robust protection for high-demand processes while maintaining manageable enclosure footprint and weight considerations for service and installation teams.

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FAQs

Yes. The MPSC303VEAXX2F is designed for the Magnum standard frame and fixed vertical mounting, simplifying retrofits and new installations in existing enclosures while preserving alignment with adjacent devices and bus systems.
The unit is a three-pole device with a 3000 A frame and 100 kA interrupt capacity, suitable for high-current protection. It uses the PXR20 LSIGAM trip unit to enable precise coordination and reliable protection in demanding applications.
Ideal for motor control centers, distribution panels, and power enclosures in industrial facilities, where high fault-current protection, selective coordination, and global compliance are critical for uptime and safety.
The breaker is UL Listed and CE marked, with ANSI/CSA certifications and additional industry approvals such as Lloyd's Register and KEMA. It also aligns with NEMA compliance requirements for broad global use.
Leverage Eaton's available manuals and guides, including the Power Xpert Protection Manager quick-start guides and MS/TD documentation, plus time/current curves to configure settings efficiently and ensure optimal protection during commissioning and ongoing maintenance.