Eaton Magnum low voltage circuit breaker MPSC123HEAXX2H - UL Listed

Part Number: MPSC123HEAXX2H
MPSC123HEAXX2H
Manufacturer
Eaton
Part number
MPSC123HEAXX2H
Category

Quick Summary

The Eaton Magnum low voltage circuit breaker protects electrical distribution panels in industrial facilities. This model, MPSC123HEAXX2H, addresses nuisance trips and protection coordination challenges by integrating the PXR20 LSIAM trip unit. It carries UL Listed, CE Marked, and ANSI/CSA certifications, ensuring global safety compliance. With a 1200 A frame and 100 kA interrupt rating, it delivers scalable protection for demanding panel environments. Used in distribution panels and motor control centers, it helps optimize uptime and streamline procurement and maintenance for electrical systems.

Product Information

Extended Description

MPSC123HEAXX2H Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Standard frame, 1200 A, 100 kA, Three-pole, Fixed horizontal mounting, PXR20 LSIAM trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPSC123HEAXX2H
UPC
786689638177
Product Length/Depth
14.6 in
Product Height
16.8 in
Product Width
16.2 in
Product Weight
118 lb
Compliances
CCC Marked NEMA Compliant CE Marked SABA Listed
Certifications
ANSI CSA Certified KEMA Certified UL Listed Lloyd's Register Certified 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 - MPSC123HEAXX2H Eaton Specification Sheet - MPSC123HEAXX2H 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: 1200 A frame and 100 kA interrupt rating → Business Impact: Enables high-capacity protection for large feeders and motors, reducing the risk of catastrophic faults and unplanned downtime; Application: Suitable for motor control centers and heavy distribution panels in manufacturing environments. Feature: Three-pole, fixed horizontal mounting → Business Impact: Simplifies installation and panel layout, saving space and labor during retrofit projects; Application: Preferred for retrofits in existing enclosures and new panel builds. Feature: PXR20 LSIAM trip unit (Power Xpert Protection Manager compatible) → Business Impact: Improves protection coordination and faster fault isolation, boosting overall system reliability; Application: Ideal where protection coordination and easy integration with protection software are required. Feature: Compliance and certifications (UL Listed, CE Marked, ANSI/CSA) → Business Impact: Reduces risk during audits and procurement, supporting global operations; Application: Aligns with multinational manufacturing and OEM requirements. Feature: Fixed horizontal mounting and clear mechanical specs → Business Impact: Predictable footprint simplifies enclosure design and allows precise space planning; Application: Useful for standardized panel design and modular assemblies. Industry Context: Leveraging these features supports engineers in achieving safer, compliant, and more efficient electrical architectures while enabling scalable investments in Power Xpert-enabled protection.

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FAQs

The MPSC123HEAXX2H is designed for Magnum PXR frames with fixed horizontal mounting. It fits standard low-voltage panels and motor control centers that use three-pole breakers, ensuring straightforward retrofits and consistent protection across compartments.
Key specs include a 1200 A frame rating and a 100 kA short-circuit interrupt capacity, three-pole construction, and a PXR20 LSIAM trip unit for advanced protection coordination within Magnum panels.
Yes. The MPSC123HEAXX2H carries UL Listed and CE Marked certifications, along with ANSI/CSA certification, supporting compliance across North American and international installations.
The PXR20 LSIAM trip unit enables precise, programmable protection coordination, faster fault isolation, and compatibility with Power Xpert Protection Manager, reducing nuisance trips and improving overall system reliability.
Fixed horizontal mounting simplifies enclosure design and retrofit work, while the robust ratings reduce downtime from faults. The combination of certifications and integration with protection management tools supports faster audits, easier procurement, and long-term cost savings.