Eaton MPSC403VEAXX2F Magnum LV Circuit Breaker - UL Listed

Part Number: MPSC403VEAXX2F
Manufacturer
Eaton
Part number
MPSC403VEAXX2F

Quick Summary

Eaton MPSC403VEAXX2F Magnum LV circuit breaker is a robust protection device for industrial power systems. It provides reliable overcurrent protection for motor loads, feeders, and distribution panels in demanding environments. Engineers often struggle with selectivity, arc flash risk, and downtime when expanding or upgrading power architectures. This unit delivers precise coordination with a PXR20 LSIG ARMS trip unit, helping minimize nuisance trips and improve safety. It carries critical certifications including UL Listed, CE Marking, and CSA certification, ensuring compliance across North American and European projects. By integrating with the Magnum PXR family and Power Xpert Protection Manager, it supports proactive protection management while delivering cost-effective lifecycle performance for critical facilities.

Product Information

Extended Description

MPSC403VEAXX2F Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Double standard frame, 4000 A (ABCABC), 100 kA, Three-pole, Fixed vertical mounting, PXR20 LSIGAM trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPSC403VEAXX2F
UPC
786689634889
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 NEMA Compliant SABA Listed
Certifications
Lloyd's Register Certified ANSI KEMA Certified UL Listed CSA Certified ABS Certified DNV GL 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
Feature: Rated uninterrupted current (Iu) of 4000 A with a 100 kAIC interrupt rating. Business impact: this enables reliable protection for large feeders and high-inrush equipment, reducing downtime and ensuring power quality in demanding environments. Application: motor control centers and heavy-duty distribution panels in manufacturing. Feature: PXR20 LSIG ARMS trip unit provides advanced protection logic and zone-selective coordination. Business impact: minimizes miscoordination trips and arc flash exposure, enhancing personnel safety and uptime. Application: large industrial installations and process plants requiring precise protection coordination. Feature: Three-pole, double-standard frame supports high-current, three-phase installations. Business impact: simplifies integration into large electrical buses and ensures mechanical compatibility with standard enclosures. Application: medium to large distribution boards and power distribution cabinets. Feature: Fixed vertical mounting and compact footprint. Business impact: eases installation in existing panels, reduces field wiring complexity, and speeds commissioning. Application: retrofit projects and new builds in space-constrained facilities. Feature: Comprehensive certifications and compliance including UL Listed, CE Marked, CSA Certified. Business impact: reduces regulatory risk for global deployments and simplifies procurement across markets. Application: global manufacturing sites, data centers, and utility-grade installations. Feature: Power Xpert Protection Manager compatibility and Magnum PXR ecosystem. Business impact: enables remote protection management, data logging, and proactive maintenance planning. Application: OEMs, process industries, and facilities aiming for smarter, connected protection systems.

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FAQs

The MPSC403VEAXX2F is a three-pole breaker with a double-standard frame designed for fixed vertical mounting. This configuration simplifies integration into large, three-phase distribution panels and ensures mechanical compatibility with standard enclosures, helping speed up installation and reduce field adjustments.
Key ratings include an Iu of 4000 A for continuous operation and an interrupt rating of 100 kAIC. With a three-pole design, it handles high fault currents while maintaining selectivity and safe tripping, making it suitable for motor feeders, main protection, and critical loads in industrial facilities.
Yes. The Magnum PXR trip unit family, including the PXR20 LSIG ARMS, integrates with Power Xpert Protection Manager for protection management, metering, and event logging. This enables remote monitoring, coordinated trips, and streamlined maintenance planning across distributed energy systems, which is especially valuable in data centers and manufacturing plants.
This breaker is UL Listed, CSA Certified, and CE Marked, with additional certifications such as Lloyd's Register, ABS, and other region-specific marks depending on market. These certifications support regulatory compliance, simplify project qualification, and ensure safe operation in diverse environments.
Comprehensive data is available from Eaton, including the MPSC403VEAXX2F specification sheet and application notes like zone-selective interlocking papers and product aids. Access the official Eaton sku page and download sources to inform installation, coordination studies, and maintenance planning.