Eaton MPSC123MEAXX2S Magnum LV Breaker - UL Listed

Part Number: MPSC123MEAXX2S
MPSC123MEAXX2S
Manufacturer
Eaton
Part number
MPSC123MEAXX2S
Category

Quick Summary

The Eaton MPSC123MEAXX2S Magnum LV Breaker provides reliable overcurrent protection for industrial power distribution in data centers, factories, and process plants. Engineers often struggle to balance fast selective tripping with long-term maintenance, especially in retrofit projects where downtime is costly. This unit carries UL Listed and CE Marked certifications, along with CSA and ANSI/KEMA approvals to support global compliance. Compatible with Power Xpert Release trip units and motorized, drawout mounting, it enables easy installation, quick testing, and predictable replacement cycles. The combination of robust protection, clear diagnostics, and proven reliability translates to reduced total cost of ownership and improved safety across critical facilities.

Product Information

Extended Description

MPSC123MEAXX2S Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Standard frame, 1200 A, 100 kA, Three-pole, Drawout vertical with motorized racking mounting, PXR25 LSIGAM trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPSC123MEAXX2S
UPC
786689638504
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
ANSI KEMA Certified UL Listed Lloyd's Register Certified CSA 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 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 x32 22.06 1 Power Xpert Protection Manager x32 22.06 1 Eaton Specification Sheet - MPSC123MEAXX2S Eaton Specification Sheet - MPSC123MEAXX2S Magnum low-voltage power circuit breakers (ANSI and IEC) renewal parts and accessories Magnum PXR 20/25 electronic trip units time current curves Safer by design: arc energy reduction techniques Safer by design: arc energy reduction techniques Safer by design: arc energy reduction techniques
Feature: Magnum PXR trip unit with 1200 A rating and 100 kA interrupting capacity provides precise protection margins. Business Impact: Faster fault clearance reduces downstream equipment damage and downtime, improving line uptime. Application: Ideal for large process lines and data-center feeders that demand reliable, scalable protection. Feature: Drawout vertical mounting with motorized racking simplifies installation and maintenance. Business Impact: Minimizes service time and personnel exposure during swaps or testing, lowering maintenance costs. Application: Retrofit projects and modular panels where quick replacements are critical. Feature: Power Xpert Protection Manager compatibility enables remote configuration and monitoring of trip settings. Business Impact: Centralized protection management improves diagnostics and reduces on-site visits. Application: Multi-site facilities requiring standardized protection coordination. Feature: Compliance suite including UL Listed, CE Marked, CSA, ANSI KEMA, and NEMA Ready. Business Impact: Streamlined approvals and global deployments, reducing time-to-operate. Application: Global manufacturing and distribution networks. Feature: 1200 A main rating with a 3-pole design and robust enclosure. Business Impact: Supports heavy load feeders with stable fault isolation, enhancing safety. Application: Large-enclosure switchgear and industrial control centers.

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FAQs

The MPSC123MEAXX2S uses the Power Xpert Release (PXR) trip unit family, specifically the PXR25 LSIGAM, enabling precise protection coordination. It supports drawout vertical mounting with motorized racking for easy field upgrades and scalable protection configurations within Eaton’s Power Xpert Protection Manager ecosystem.
Key specifications include a 1200 A current rating, 100 kA interrupting capacity, three-pole configuration, standard frame, and a drawout vertical mounting with motorized racking. The unit is designed for reliable protection in industrial power distributions and integrates with PXR trip units.
This breaker is UL Listed and CE Marked, with additional certifications including ANSI KEMA Certified, CSA Certified, Lloyd's Register Certified, ABS Certified, and DNV GL Certified, plus SABA Listed and NEMA Compliant status to support global deployment.
It is suitable for data centers, manufacturing facilities, and process plants where robust overcurrent protection, coordination, and easy maintenance are essential. The drawout mounting and remote protection options make it ideal for retrofit projects and scalable protection schemes.
The motorized racking and drawout design reduce maintenance time and downtime during inspections or replacements. Remote monitoring via Power Xpert Protection Manager improves diagnostics and planning, leading to lower service costs and a shorter path to return on investment in critical infrastructure.