Eaton MPSC123HEAXX2C Magnum LV circuit breaker - UL Listed

Part Number: MPSC123HEAXX2C
MPSC123HEAXX2C
Manufacturer
Eaton
Part number
MPSC123HEAXX2C
Category

Quick Summary

Eaton Magnum low voltage power circuit breaker protects industrial electrical distribution, delivering reliable overcurrent protection for motors and feeders. When protection coordination is poorly implemented, outages ripple through production lines and complicate maintenance planning. This model carries UL Listed, CE Marked, and CSA Certified credentials, supporting regulatory compliance across North American and international sites. Leveraging Power Xpert Release PXR20 LSIG, it enables selective coordination, reduces downtime, and aligns with modern digital protection strategies. Designed for standard frame, 3-pole configurations, with fixed horizontal mounting. This combination supports simplified installation, reliable fault isolation, and scalable protection across evolving plant architectures. Engineers benefit from clear diagnostic data and compatibility with Power Xpert Protection Manager for proactive maintenance. This translates to lower total cost of ownership and faster project timelines.

Product Information

Extended Description

MPSC123HEAXX2C Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Standard frame, 1200 A, 100 kA, Three-pole, Fixed horizontal mounting, PXR20 LSIG trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPSC123HEAXX2C
UPC
786689638153
Product Length/Depth
14.6 in
Product Height
16.8 in
Product Width
16.2 in
Product Weight
118 lb
Compliances
SABA Listed CE Marked CCC Marked NEMA Compliant
Certifications
KEMA Certified CSA Certified UL Listed Lloyd's Register Certified ANSI DNV GL Certified ABS 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 Microsoft Word - Power Xpert Protection Manager Quick Start Guide.docx Microsoft Word - Power Xpert Protection Manager Quick Start Guide.docx Microsoft Word - Power Xpert Protection Manager Quick Start Guide.docx 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 - MPSC123HEAXX2C Eaton Specification Sheet - MPSC123HEAXX2C Magnum low-voltage power circuit breakers (ANSI and IEC) renewal parts and accessories Magnum PXR 20/25 electronic trip units time current curves Molded case and low-voltage power circuit breaker health Molded case and low-voltage power circuit breaker health Molded case and low-voltage power circuit breaker health
Feature: PXR20 LSIG trip unit enables precise protection coordination. Business Impact: selective tripping minimizes unnecessary outages and shortens fault clearance times, reducing downtime costs. Application: motor feeders and critical process lines where staged protection is essential. Feature: 100 kA interrupting rating with 1200 A capacity. Business Impact: withstands high fault currents without nuisance tripping, improving system reliability and uptime. Application: large feeders, switchgear in manufacturing and data-intensive environments. Feature: Standard Magnum frame with fixed horizontal mounting for three-pole assemblies. Business Impact: simplifies retrofit and cabinet integration, cutting installation time and reducing commissioning risk. Application: panel upgrades and new builds in industrial facilities. Feature: Broad certifications including UL Listed, CE Marked, and CSA Certified. Business Impact: streamlines compliance audits and acceptance testing across global sites. Application: regulated industries and facilities with strict safety and performance standards. Feature: Compatibility with Power Xpert Protection Manager and PXR trip units. Business Impact: enables unified protection analytics and proactive maintenance planning. Application: centralized control rooms and multi-site plants. Feature: Availability of renewal parts and long-term service support. Business Impact: shields lifecycle costs and ensures ongoing performance. Application: long-term asset management and maintenance programs.

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FAQs

The MPSC123HEAXX2C uses a standard Magnum frame with fixed horizontal mounting and a three-pole configuration, making it compatible with a wide range of Eaton panel lineups and other common LV circuit breaker enclosures. Its dimensions and mounting footprint were designed to simplify retrofit projects and panel upgrades, reducing field modification time while maintaining secure mechanical fit and electrical performance.
This breaker is equipped with a PXR20 LSIG trip unit, enabling fixed-time and load-shed protection coordination. It supports up to 1200 A continuous current and 100 kA interrupting capacity, allowing reliable protection for large motor feeders and high-energy loads. The trip unit supports selective coordination strategies essential for minimizing arc-flash exposure and improving fault isolation.
Yes, the MPSC123HEAXX2C is well-suited for heavy-duty industrial applications such as manufacturing lines, process industries, and data-center feeder paths. Its 1200 A rating and 100 kA short-circuit current capability support large feeders and high fault currents, while UL Listed and CE marks help meet stringent regulatory requirements across North America and international sites.
The MPSC123HEAXX2C carries UL Listed, CE Marked, and CSA Certified credentials, along with additional certifications from KEMA, Lloyd's Register, ANSI, DNV GL, and ABS in various documents. These certifications support regulatory compliance, safety audits, and reliable performance in diverse operational environments, reducing certification-related project delays.
Plan for regular diagnostics via compatible Power Xpert Protection Manager tools and keep renewal parts available through Eaton programs. The LSIG trip unit supports updated protection logic, aiding proactive maintenance. By aligning with standard frame dimensions and widely supported parts, you can minimize downtime during part swaps and extend asset life, delivering lower total cost of ownership over the system lifecycle.