Eaton MPSC4N3HEAXX2S Magnum low voltage power circuit breaker - 100 kAIC UL Listed

Part Number: MPSC4N3HEAXX2S
MPSC4N3HEAXX2S
Manufacturer
Eaton
Part number
MPSC4N3HEAXX2S
Category

Quick Summary

Eaton Magnum low voltage power circuit breaker protects industrial electrical distributions and panels. When uptime matters, engineers need reliable, configurable protection that coordinates with other devices to prevent cascading outages. This unit carries UL Listed, CSA Certified, and CE Marked certifications, ensuring global compliance for critical facilities. With Power Xpert Protection Manager compatibility and a PXR25 LSIGAM trip unit, it supports scalable protection strategies while simplifying maintenance. The combination of a double-standard frame and a robust interrupt system translates to improved safety, easier installation, and long-term cost efficiency for panel builders and service teams alike.

Product Information

Extended Description

MPSC4N3HEAXX2S Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Double standard frame, 4000 A (AABBCC), 100 kA, Three-pole, Fixed horizontal mounting, PXR25 LSIGAM trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPSC4N3HEAXX2S
UPC
786689635251
Product Length/Depth
16.3 in
Product Height
16.8 in
Product Width
31.1 in
Product Weight
237 lb
Compliances
CCC Marked CE Marked SABA Listed NEMA Compliant
Certifications
CSA Certified UL Listed ANSI KEMA Certified Lloyd's Register Certified ABS Certified DNV GL Certified
Frame
Double standard
Number of poles
Three-pole
Type
Magnum PXR
Frame
Double standard
Series
Magnum
Trip Type
PXR25 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 - MPSC4N3HEAXX2S Eaton Specification Sheet - MPSC4N3HEAXX2S 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 → Business Impact → Application: The PXR25 LSIGAM trip unit provides precise, selective protection, reducing nuisance trips and enabling faster fault isolation, which minimizes downtime in manufacturing lines and data centers. Application: data centers, process plants, and critical load feeders benefit from targeted protection and reduced maintenance windows. Feature → Business Impact → Application: A double-standard frame with three-pole, fixed horizontal mounting simplifies retrofits and aligns with existing Magnum installations, accelerating on-site commissioning and easing field upgrades. Application: panel boards and control centers in large facilities. Feature → Business Impact → Application: Rated Iu of 4000 A enables large feeder protection without cascading device upgrades, supporting capacity growth and reliable operation of main distribution. Application: manufacturing floors and distribution centers. Feature → Business Impact → Application: 100 kAIC interrupt rating provides high short-circuit tolerance, improving safety margins in high fault-energy environments. Application: steel, chemical, and heavy industrial plants. Feature → Business Impact → Application: Global certifications (UL, CSA, CE, CCC, SABA, etc.) streamline procurement for multi-region projects, reducing qualification time. Application: multinational projects and regulated industries. Feature → Business Impact → Application: Compatibility with Power Xpert Protection Manager and available Magnum PXR resources supports coordinated protection and easier lifecycle management. Application: smart maintenance programs and zero-drift protection strategies.

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FAQs

Yes. The MPSC4N3HEAXX2S uses the Magnum PXR protection framework with a LSIGAM trip unit, configured for a double-standard frame and fixed horizontal mounting. It aligns with standard Magnum installations and three-pole configurations, simplifying retrofits and ensuring consistent protection coordination across existing panels.
Key ratings include a rated uninterrupted current (Iu) of 4000 A and an interrupt rating of 100 kAIC. It is a three-pole unit with a double-standard frame. Physical dimensions are 16.3 in (depth) by 16.8 in (height) by 31.1 in (width), and it weighs 237 lb, which informs enclosure and mounting clearances for installation.
Absolutely. Its high Iu and 100 kAIC interrupt rating support critical loads and high fault-energy environments common in data centers and manufacturing. The PXR25 LSIGAM trip unit enables selective protection and coordination, reducing downtime and improving fault isolation in complex power distribution schemes.
The MPSC4N3HEAXX2S is CCC Marked, CE Marked, SABA Listed, and NEMA Compliant, with CSA Certification and UL Listing among others. These certifications facilitate global procurement and regulatory compliance for multinational projects and regulated industries.
By enabling precise protection with a PXR trip unit and compatibility with Protection Manager, preventive maintenance becomes more predictable and downtime is reduced during fault conditions. The durable Magnum frame and high interrupt rating help extend service intervals and reduce unplanned outages, delivering a favorable return on investment through improved asset uptime.