Eaton MPSC4N3WEAXX2F Magnum Circuit Breaker - UL 100 kAIC

Part Number: MPSC4N3WEAXX2F
MPSC4N3WEAXX2F
Manufacturer
Eaton
Part number
MPSC4N3WEAXX2F
Category

Quick Summary

The Eaton Magnum low voltage power circuit breaker MPSC4N3WEAXX2F delivers reliable overcurrent protection for industrial electrical distributions. Engineers often face downtime during replacements, limited installation space, and integration gaps with modern protection schemes. This unit carries UL Listed, CSA Certified, and CE Marked compliance, along with a 100 kAIC interrupt rating and 4000 A Iu, ensuring robust performance in demanding environments. In practice, the Magnum PXR trip unit supports advanced coordination and rapid fault clearance, while its drawout vertical mounting and double-standard frame simplify installation and future upgrades. For procurement, this means smoother compliance, faster deployment, and reduced lifecycle costs with Power Xpert Protection Manager compatibility.

Product Information

Extended Description

MPSC4N3WEAXX2F Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Double standard frame, 4000 A (AABBCC), 100 kA, Three-pole, Drawout vertical mounting, PXR20 LSIGAM trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPSC4N3WEAXX2F
UPC
786689633677
Product Length/Depth
16.3 in
Product Height
16.8 in
Product Width
31.1 in
Product Weight
237 lb
Compliances
CE Marked SABA Listed CCC Marked NEMA Compliant
Certifications
CSA Certified KEMA Certified ANSI Lloyd's Register Certified UL Listed DNV GL Certified ABS Certified
Frame
Double standard
Number of poles
Three-pole
Type
Magnum PXR
Frame
Double standard
Series
Magnum
Trip Type
PXR20 LSIG ARMS
Number of poles
Three-pole
Rated uninterrupted current (Iu)
4000 A
Interrupt rating
100 kAIC
Interrupt rating
100 kAIC
Rated uninterrupted current (Iu)
4000 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 - MPSC4N3WEAXX2F Eaton Specification Sheet - MPSC4N3WEAXX2F 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: Drawout vertical mounting paired with the PXR20 LSIGAM trip unit simplifies installation and future replacement. Business impact: Reduces downtime during maintenance and eases retrofits in existing switchgear, lowering total project cost. Application: Ideal for large control panels and switchboards in manufacturing and process plants where space constraints are common. Feature: 4000 A Iu rating provides robust carrying capacity for heavy motor loads. Business impact: Improves system reliability by preventing nuisance trips during peak demand, enabling consistent production uptime. Application: Heavy-duty conveyors, pumps, and extrusion lines in metalforming and plastics processing.Feature: 100 kAIC interrupt rating delivers higher fault current protection. Business impact: Enhances safety margins and minimizes arc energy exposure in critical feeders. Application: Main distribution panels in plants with high short-circuit potential and close-up protection needs.Feature: Frame and construction—double standard, three-pole, drawout design. Business impact: Flexible installation in modular cabinets and multi-panel arrangements, with straightforward cabinet door clearance and wiring access. Application: Large-scale electrical distribution in food & beverage, chemical processing, and packaging lines.Feature: Certifications and compliance coverage (UL Listed, CSA Certified, CE Marked, NEMA Compliant). Business impact: Streamlines procurement, reduces compliance risk, and accelerates international deployments. Application: Global facilities requiring multi-region approvals for safety-critical protection equipment.

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FAQs

The MPSC4N3WEAXX2F uses a drawout vertical mounting with a three-pole, double-standard frame designed for modular switchgear. Installation benefits include straightforward insertion/removal without disconnecting primary power, reduced assembly time, and compatibility with Magnum PXR trip units. For service teams, this translates to faster maintenance, easier device swaps, and improved safety during testing in high-energy electrical rooms.
This unit is rated for 4000 A Iu (rated uninterrupted current) and delivers an interrupt rating of 100 kAIC. It features a three-pole configuration and a PXR20 LSIGAM trip unit, enabling precise protection coordination. These specifications support large motor loads and high fault-current environments typical in heavy manufacturing, data centers, and critical infrastructure panels.
Yes. The breaker is UL Listed, CSA Certified, and CE Marked, with additional NEMA compatibility noted in its specs. This combination supports cross-border procurement and installation in diverse regulatory environments, simplifying supply chain and commissioning in multinational facilities while maintaining rigorous safety standards.
Magnum PXR is well-suited for large-scale protection tasks in manufacturing floors, chemical processing, water treatment, and data centers. Its trip unit options enable advanced protection strategies, while the drawout design and double-standard frame support modularity and scalability. Users benefit from improved system reliability, faster fault clearance, and easier integration with protection-management software.
Maintenance benefits include easier component replacement due to the drawout design and compatibility with Power Xpert Protection Manager for streamlined monitoring. ROI is driven by reduced downtime, improved fault protection, and longer service life through robust approvals (UL/CSA/CE) and high interrupt ratings that minimize costly outages in critical processes.