Eaton MPSC4N3MEAXX2H Magnum Breaker - 100 kAIC
Part Number: MPSC4N3MEAXX2H
Quick Summary
Eaton Magnum low voltage power circuit breaker protects electrical distribution panels from overloads and short circuits in industrial applications. Its drawout vertical design with motorized racking minimizes maintenance time, reduces exposure to live circuits, and speeds replacement during outages. UL Listed, CE Marked, and CSA Certified, along with other global approvals, reinforce safety, traceability, and regulatory compliance across regions. Powered by the Magnum PXR trip unit with PXR20 LSIAM arms, it offers precise protection, selective coordination, and ease of integration with Power Xpert Protection Manager. Designed for demanding environments, the unit supports high continuous current up to 4000 A and 100 kAIC interrupt capability, making it suitable for critical power distribution.
Product Information
Extended Description
MPSC4N3MEAXX2H Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Double standard frame, 4000 A (AABBCC), 100 kA, Three-pole, Drawout vertical with motorized racking mounting, PXR20 LSIAM trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPSC4N3MEAXX2H
UPC
786689635428
Product Length/Depth
16.3 in
Product Height
16.8 in
Product Width
31.1 in
Product Weight
237 lb
Compliances
NEMA Compliant CCC Marked CE Marked SABA Listed
Certifications
UL Listed ANSI CSA Certified KEMA Certified Lloyd's Register Certified DNV GL Certified ABS Certified
Frame
Double standard
Number of poles
Three-pole
Type
Magnum PXR
Frame
Double standard
Series
Magnum
Trip Type
PXR20 LSI 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
Power Xpert Release trip unit for Magnum PXR circuit breakers PXR 20/25 user manual
Power Xpert Release trip unit for Magnum PXR circuit breakers PXR 20/25 user manual
Power Xpert Release trip unit for Magnum PXR circuit breakers PXR 20/25 user manual
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 - MPSC4N3MEAXX2H
Eaton Specification Sheet - MPSC4N3MEAXX2H
Magnum low-voltage power circuit breakers (ANSI and IEC) renewal parts and accessories
Magnum PXR 20/25 electronic trip units time current curves
Cyber security white paper
Cyber security white paper
Cyber security white paper
Feature drawout vertical design with motorized racking → Business Impact reduces maintenance time, enhances safety during replacements, and improves uptime in live switchgear environments. Application: ideal for retrofit projects and new builds requiring quick, safe breaker changes without de-energizing large panels. Feature PXR20 LSIAM trip unit → Business Impact delivers precise protection settings, fast fault isolation, and improved coordination with downstream devices. Application: supports selective coordination in complex power systems and aligns with Power Xpert protection architectures. Feature 4000 A Iu rating → Business Impact enables reliable continuous operation for high-load circuits, reducing nuisance trips and improving feeder stability. Application: main distribution and motor-starting applications in manufacturing facilities. Feature 100 kAIC interrupt rating → Business Impact provides robust fault current withstand, increasing personnel safety and protecting equipment in high-short-circuit environments. Application: heavy industry, data centers, and utility-scale panels. Feature Double standard frame and three-pole delivery → Business Impact simplifies integration in standardized panels and ensures consistent mounting with Magnum family units. Application: large switchgear banks and multi-pole protection schemes. Feature UL Listed, CE Marked, CSA Certified → Business Impact ensures global compliance and faster project approval across regions. Application: multinational projects and regulated sectors. These combined capabilities support installation efficiency, lifecycle cost reduction, and scalable protection in modern electrical infrastructure.
Get a Quick Quote for a Eaton MPSC4N3MEAXX2H
Chat with us on WhatsApp - fast responses guaranteed
Need to speak with someone? We'll call you back within 2 hours during business hours
Interested in Eaton MPSC4N3MEAXX2H?
Enquire Now
FAQs
The unit features a drawout vertical design with a double standard frame and three-pole configuration, optimized for Magnum PXR installations. It is compatible with standard low-voltage switchgear that supports Magnum PXR trip units and motorized racking, enabling streamlined upgrades and maintenance without oversized retrofits.
The PXR20 LSIAM trip unit provides advanced protection logic with Power Xpert Release integration, enabling precise current-based tripping, configurable protection curves, and improved selective coordination. This reduces nuisance trips and enhances safety in complex feeder configurations.
Yes. With a 4000 A Iu rating and 100 kAIC interrupt capability, plus a robust double-frame, three-pole design, it supports high fault-current environments and large loads typical of data centers and manufacturing floors, while enabling reliable protection coordination across distribution panels.
The device is UL Listed, CE Marked, and CSA Certified, with additional approvals such as KEMA, Lloyd's Register, DNV GL, and ABS certifications. This broad certification portfolio supports global deployment and regulatory compliance across regions.
Motorized racking enables rapid, safe removal and replacement of the breaker without extensive de-energization or manual handling. This reduces downtime, simplifies maintenance planning, and extends panel availability during critical operations.