Eaton MPSC5A4WEAXX2C Magnum low voltage power circuit breaker - UL Listed 100 kA

Part Number: MPSC5A4WEAXX2C
MPSC5A4WEAXX2C
Manufacturer
Eaton
Part number
MPSC5A4WEAXX2C
Category

Quick Summary

Eaton Magnum low voltage power circuit breaker MPSC5A4WEAXX2C is a four-pole, drawout unit engineered for robust overcurrent protection in industrial power distributions. This design helps engineers reduce downtime by delivering precise protection and easy maintenance access. UL Listed, CE Marked, and CSA Certified, along with KEMA and Lloyd's Register certifications, provide broad regional compliance and reliability for mission-critical facilities. By integrating the PXR20 LSIG trip unit, it supports advanced protection schemes while maintaining compatibility with Power Xpert Protection Manager and other Layered protection strategies, delivering measurable value in efficiency, safety, and total-cost-of-ownership for power distribution fleets.

Product Information

Extended Description

MPSC5A4WEAXX2C Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Double standard frame, 5000 A (NABCNABC), 100 kA, Four-pole, Drawout vertical mounting, PXR20 LSIG trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPSC5A4WEAXX2C
UPC
786689630850
Product Length/Depth
16.3 in
Product Height
16.8 in
Product Width
44.1 in
Product Weight
319 lb
Compliances
NEMA Compliant CCC Marked CE Marked SABA Listed
Certifications
ANSI UL Listed CSA Certified KEMA Certified Lloyd's Register 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 - MPSC5A4WEAXX2C Eaton Specification Sheet - MPSC5A4WEAXX2C 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 provides advanced protection logic and selectivity. Business Impact: improves fault coverage while minimizing nuisance trips, reducing unplanned downtime and extending equipment life. Application: ideal for critical loads in manufacturing lines and data centers where precise coordination is essential. Feature: Four-pole, drawout vertical mounting simplifies installation and maintenance. Business Impact: accelerates panel commissioning and replacement, lowering labor costs and downtime. Application: suited for large switchgear assemblies and retrofit projects where space and access are considerations. Feature: High interrupting capacity of 100 kA with a 5000 A rating supports heavy fault currents. Business Impact: enhances system resilience and protects feeders against major faults, avoiding collateral damage. Application: suitable for feeders from switchboards to motor starters in high-demand environments. Feature: Broad certifications (UL Listed, CE Marked, CSA Certified, KEMA, Lloyd's Register, SABA Listed). Business Impact: reduces regulatory risk and expedites multi-region deployments. Application: compliant across global plants, warehouses, and process facilities. Feature: Zone Selective Interlocking and Power Xpert ecosystem compatibility. Business Impact: enables selective fault isolation and simplified remote protection management, lowering spares, and improving maintenance scheduling. Application: aligns with modern protection schemes and Industry 4.0 data integration. The combination of these features reflects Eaton’s emphasis on reliability, ease of use, and lifecycle cost control in power distribution equipment.

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FAQs

The MPSC5A4WEAXX2C uses the PXR20 LSIG trip unit, which communicates with Power Xpert Protection Manager (PXPM) for centralized protection, event logging, and remote setup. Start with Eaton’s Quick Start Guide to connect the protection manager, configure trip settings, and enable auto-recovery or staged maintenance workflows. This enables coordinated protection across multiple feeders and panels while simplifying commissioning.
This breaker provides a 100 kA short-circuit interrupting capacity and a 5000 A rated service (NABCNABC context). It is designed for high fault-current environments and supports selective protection strategies. The four-pole, drawout construction also aids in reliable connection and maintenance within complex switchgear configurations.
Yes. The MPSC5A4WEAXX2C features drawout vertical mounting and a double standard frame, enabling straightforward installation, testing, and replacement within mixed-panel environments. Its dimensions and weight are compatible with common rack and busbar configurations, and the unit supports straightforward alignment with adjacent devices to maintain clearances and accessibility.
The breaker carries ANSI UL Listed, CSA Certified, KEMA Certified, Lloyd's Register Certified, ABS Certified, and DNV GL Certified marks, along with CE Marked and SABA Listed recognition. This broad certification set supports global deployments, reduces regulatory risk, and accelerates acceptance in multinational sites and supply chains.
Zone Selective Interlocking (ZSI) reduces fault travel time by allowing selective tripping between adjacent breakers, limiting disturbance to only the faulted zone. When paired with the PXR20 trip unit and Power Xpert ecosystem, ZSI improves reliability, shortens outage duration, and enhances safety during maintenance or expansion projects in large power-distribution networks.