Eaton MPSC124MEAXX2A Magnum LV power circuit breaker - UL

Part Number: MPSC124MEAXX2A
MPSC124MEAXX2A
Manufacturer
Eaton
Part number
MPSC124MEAXX2A
Category

Quick Summary

Eaton Magnum low voltage power circuit breaker protects feeders and panels in industrial facilities. Engineers often struggle with nuisance trips and downtime caused by non-selective protection during startup and peak loads. UL Listed and CE marked, with CSA and Lloyd’s Register certifications, the unit meets global safety and reliability standards. Designed for compatibility with Power Xpert Protection Manager and the Magnum PXR trip unit, it enables precise protection coordination and reduced operating costs. This combination supports scalable protection strategies across critical assets, improving uptime and maintenance planning for electrical distribution systems, and supports regulatory compliance audits.

Product Information

Extended Description

MPSC124MEAXX2A Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Standard frame, 1200 A, 100 kA, Four-pole, Drawout vertical with motorized racking mounting, PXR20 LSI trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPSC124MEAXX2A
UPC
786689639457
Product Length/Depth
14.6 in
Product Height
16.8 in
Product Width
21.2 in
Product Weight
160 lb
Compliances
CCC Marked CE Marked SABA Listed NEMA Compliant
Certifications
CSA Certified Lloyd's Register Certified ANSI UL Listed KEMA Certified ABS Certified DNV GL Certified
Frame
Standard
Number of poles
Four-pole
Type
Magnum PXR
Frame
Standard
Series
Magnum
Trip Type
PXR20 LSI
Number of poles
Four-pole
Rated uninterrupted current (Iu)
1200 A
Interrupt rating
100 kAIC
Interrupt rating
100 kAIC
Rated uninterrupted current (Iu)
1200 A
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 - MPSC124MEAXX2A Eaton Specification Sheet - MPSC124MEAXX2A 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
Four-pole Magnum PXR with standard frame delivers a 1200 A Iu and 100 kAIC interrupt rating. Business impact: robust fault-current handling and accurate protection coordination, reducing nuisance trips and unplanned downtime in critical lines. Application: ideal for large feeders in manufacturing plants and distribution panels where fast, selective protection is essential. Drawout vertical mounting with motorized racking enables quick maintenance and safe breaker withdrawal. Business impact: minimizes outage time during testing or replacement and simplifies maintenance planning. Application: suitable for vertical switchgear configurations with limited-space installations. PXR20 LSI trip unit provides advanced protection logic and fast tripping responses. Business impact: enhances protective coordination with minimized trip energy and enables remote configuration. Application: works with Power Xpert Protection Manager for centralized protection management across multiple feeders. Standard frame and four-pole design ensure compatibility with existing Magnum gear and common LV switchgear. Business impact: accelerates procurement and reduces engineering time. Application: new installs or retrofits in regulated facilities. Certifications and compliance provide UL Listed, CE Marked, CSA Certified, and Lloyd’s Register recognized status, giving confidence across global operations. Business impact: regulatory compliance and risk reduction for multinational projects. Application: suitable for industries with strict standards and audit requirements.

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FAQs

The unit uses a drawout vertical mounting with motorized racking, enabling quick removal and safe installation. This design reduces outage duration during maintenance or upgrades and supports safe, hands-on servicing in constrained switchgear spaces.
It is a four-pole breaker with rated Iu of 1200 A and an interrupt rating of 100 kAIC. These ratings support high fault-current environments and enable reliable selective protection across large distribution feeders.
Yes. The breaker carries UL Listing and CE marking, along with CSA and other major certifications, providing compliance coverage for North American and European installations.
Ideal for industrial distribution panels, large manufacturing lines, and data centers where precise protection coordination and dependable interrupt capability are required to minimize downtime and protect critical assets.
The combination enables centralized protection management, remote configuration, and proactive maintenance. This can reduce unscheduled outages, optimize protection settings, and shorten mean time to repair, yielding lower lifecycle costs and improved asset reliability.