Eaton MPSC323MEAXX2A Magnum low voltage circuit breaker - UL Listed

Part Number: MPSC323MEAXX2A
Manufacturer
Eaton
Part number
MPSC323MEAXX2A

Quick Summary

Magnum low voltage power circuit breaker from Eaton provides essential overcurrent protection for industrial distribution panels. Engineers face coordination gaps, maintenance downtime, and complex motorized-racking in drawout configurations that threaten uptime and project budgets. UL Listed, CE Marked, and CSA Certified standards ensure global compliance and safer field service, while additional certifications from KEMA and Lloyd's Register reinforce reliability in harsh industrial environments. When paired with the Power Xpert Release PX R20 LSI trip unit, it enables precise protection, streamlined integration with Power Xpert Protection Manager, and improved total cost of ownership through faster maintenance and reduced MTTR.

Product Information

Extended Description

MPSC323MEAXX2A Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Standard frame, 3200 A, 100 kA, Three-pole, Drawout vertical with motorized racking mounting, PXR20 LSI trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPSC323MEAXX2A
UPC
786689634834
Product Length/Depth
14.6 in
Product Height
16.8 in
Product Width
16.2 in
Product Weight
118 lb
Compliances
SABA Listed NEMA Compliant CE Marked CCC Marked
Certifications
ANSI CSA Certified UL Listed KEMA Certified Lloyd's Register Certified ABS Certified DNV GL Certified
Feature: 3200 A current rating paired with a 100 kA interrupting capacity. Business Impact: robust protection for high-demand feeders, reducing the risk of catastrophic outages and extending equipment life. Application: suitable for large industrial switchgear and critical process lines where high fault current is expected. Feature: Drawout vertical mounting with motorized racking. Business Impact: minimizes field labor and improves safety during maintenance, enabling quick replacement and safer re-energization. Application: routine inspection and selective replacement in production environments. Feature: Power Xpert Release PX R20 LSI trip unit. Business Impact: enhanced protection coordination and accurate fault isolation, lowering nuisance trips and improving system reliability. Application: complex electrical distribution where selective tripping is essential. Feature: Standard frame design with clear labeling and compatibility across Eaton Magnum families. Business Impact: simplifies retrofit, spare parts stocking, and technician training, reducing downtime. Application: OEM integrations and panel refurbishments. Feature: 3-pole architecture with three-phase protection. Business Impact: balanced protection across phases, reducing arcing risks and improving trip aggressiveness. Application: three-phase motors and generators in heavy industry. Feature: Dimensions and weight (14.6 in L x 16.8 in H x 16.2 in W; 118 lb). Business Impact: predictable footprint for enclosure planning and easier handling on site. Application: custom electrical room layouts and retrofit projects. Feature: Comprehensive compliance and certifications including UL Listed, CE Marked, ANSI and CSA. Business Impact: supports global project scope and regulatory adherence, simplifying procurement. Application: multinational manufacturing facilities with strict safety standards.

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FAQs

Yes. The unit uses a standard Magnum frame and drawout vertical mounting with motorized racking, enabling straightforward retrofit into compatible Eaton and third-party panels that support Magnum PX breakers. Verify cabinet clearance and mounting rails before installation to ensure safe operation and proper alignment.
Key specs include a 3200 A current rating, 100 kA interrupting capacity, three poles, and the PX R20 LSI trip unit. It is designed for three-phase distribution with precise protection coordination and compatibility with Power Xpert Protection Manager for centralized protection management.
Yes. The Magnum PX RXR module supports advanced coordination features, and the motorized racking simplifies safe maintenance in drawout configurations. For zone selective interlocking, refer to the application paper and PXR product aids in the downloads section to ensure proper wiring and sequencing.
This breaker is UL Listed and CE Marked, with additional certifications including ANSI, CSA, KEMA, Lloyd's Register, ABS, and DNV GL. These certifications support compliance across North American, European, and select international markets, aiding procurement and installation audits.
Motorized racking reduces maintenance time by enabling quick, safe breaker withdrawal and re-energization. This lowers MTTR, minimizes on-site labor, and improves uptime for critical processes. When combined with PXR protection, you gain better protection coordination and fewer incidental outages, strengthening asset reliability over the lifecycle.