Eaton MPSC4N4WEAXX2F Magnum low voltage power circuit breaker - PXR20 LSIGAM trip unit

Part Number: MPSC4N4WEAXX2F
MPSC4N4WEAXX2F
Manufacturer
Eaton
Part number
MPSC4N4WEAXX2F
Category

Quick Summary

Eaton Magnum low voltage power circuit breaker is a rugged protection device designed for distribution panels and motor control centers. Engineers often face nuisance trips and slow fault isolation that disrupt production; this unit’s four-pole design and PXR20 LSIGAM trip unit enhance protection coordination and minimize downtime. The product carries UL Listed, CE Marked, and NEMA Compliant certifications, backed by additional qualifications from KEMA, CSA, ANSI, and DNV GL, underscoring safety and regulatory alignment. Beyond protection, it supports scalable power distribution with drawout vertical mounting and a robust 100 kA interrupting rating, delivering reliable, maintainable performance for industrial facilities. For teams seeking easier maintenance and tighter protection coordination, this breaker aligns with Power Xpert protection workflows.

Product Information

Extended Description

MPSC4N4WEAXX2F Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Double standard frame, 4000 A (NNAABBCC), 100 kA, Four-pole, Drawout vertical mounting, PXR20 LSIGAM trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPSC4N4WEAXX2F
UPC
786689634797
Product Length/Depth
16.3 in
Product Height
16.8 in
Product Width
44.1 in
Product Weight
319 lb
Compliances
SABA Listed CE Marked CCC Marked NEMA Compliant
Certifications
KEMA Certified UL Listed Lloyd's Register Certified CSA 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 - MPSC4N4WEAXX2F Eaton Specification Sheet - MPSC4N4WEAXX2F 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 LSIGAM trip unit enables smarter protection coordination. Business Impact: Reduces fault travel time and improves selective coordination, lowering arc flash exposure and equipment damage. Application: Ideal for MCCs and switchgear where precise protection is required. Feature: Drawout vertical mounting simplifies maintenance and hot-swap replacement. Business Impact: Cuts downtime and labor costs during maintenance cycles. Application: Widely used in cabinets and panel boards with limited access. Feature: Four-pole design with a 4000 A frame and 100 kA interrupting rating. Business Impact: Supports high fault-current scenarios and safer shutdowns for large motors and feeders. Application: Heavy-load industrial environments and energy-intensive processes. Feature: Broad certifications including UL Listed and CE Marked. Business Impact: Ensures regulatory compliance and smoother procurement across global sites. Application: Industries with strict standards and cross-border installations. Feature: Compatibility with Power Xpert Protection Manager and PXRs trip-unit family. Business Impact: Enables integrated protective management and centralized monitoring, reducing engineering time. Application: Modern smart plants seeking digital protection workflows. Insight: Real-world installations benefit from efficient maintenance planning and reliable coordination that lowers total cost of ownership over the equipment lifecycle.

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FAQs

The MPSC4N4WEAXX2F uses a drawout vertical mounting design, enabling quick insertion and removal from switchgear and distribution panels. This supports faster maintenance, easier testing, and reduced downtime during replacements or upgrades.
This model features a four-pole configuration with a 4000 A frame and a 100 kA interrupting rating, suitable for high-current motor and feeder protection. The PXR20 LSIGAM trip unit provides advanced protection coordination.
It is UL Listed, CE Marked, and NEMA Compliant, with additional certifications including KEMA Certified and CSA/ANSI; it also aligns with other third-party standards such as Lloyd's Register, DNV GL and ABS where required.
The PXR20 LSIGAM unit excels in selective coordination for motor controls, switchgear and distribution panels, enabling precise fault detection and minimizing unnecessary outages across complex protection schemes.
The drawout vertical mounting simplifies replacement and testing, while compatibility with Power Xpert Protection Manager streamlines protection management and monitoring, reducing maintenance time and improving overall system reliability.