Eaton MPSC403VEAXX2S Magnum LV Circuit Breaker - UL Listed

Part Number: MPSC403VEAXX2S
MPSC403VEAXX2S
Manufacturer
Eaton
Part number
MPSC403VEAXX2S
Category

Quick Summary

The Eaton Magnum low voltage power circuit breaker protects electrical systems in industrial power distribution applications. Engineers often face nuisance trips, slow fault isolation, and challenges maintaining proper coordination across large switchgear, leading to downtime and costly repairs. This unit carries UL Listed, CE Marked, and CSA Certified credentials, with additional protections such as KEMA Certified and ANSI/DNV GL certifications to support global deployments. With Power Xpert Release trip units and a fixed vertical three-pole configuration, it delivers precise protection while supporting scalable, compliant installations in mid-size to large electrical rooms. The result is improved reliability, easier maintenance planning, and a clearer path to regulatory compliance through documented performance and compatibility with Power Xpert management tools.

Product Information

Extended Description

MPSC403VEAXX2S Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Double standard frame, 4000 A (ABCABC), 100 kA, Three-pole, Fixed vertical mounting, PXR25 LSIGAM trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPSC403VEAXX2S
UPC
786689635039
Product Length/Depth
16.3 in
Product Height
16.8 in
Product Width
31.1 in
Product Weight
237 lb
Compliances
NEMA Compliant CE Marked SABA Listed CCC Marked
Certifications
KEMA Certified UL Listed CSA Certified Lloyd's Register 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 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 x32 22.06 1 Power Xpert Protection Manager x32 22.06 1 Eaton Specification Sheet - MPSC403VEAXX2S Eaton Specification Sheet - MPSC403VEAXX2S 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: PXR25 LSIGAM trip unit enables advanced protection logic and selective coordination. Business Impact: reduces nuisance trips and speeds fault isolation, lowering downtime and maintenance costs. Application: ideal for motor feeders and critical loads in switchgear configurations. Feature: Magnum double standard frame with fixed vertical mounting supports compact, organized panel layouts. Business Impact: simplifies installation, improves accessibility for diagnostics, and reduces field labor. Application: suitable for large distribution panels and retrofit projects in manufacturing facilities. Feature: 4000 A frame with 100 kA short-circuit rating provides strong fault handling. Business Impact: enhances system resilience and protects downstream equipment, lowering risk of cascading outages. Application: data centers, plants with high transient currents, and energy-intensive processes. Feature: Broad certifications including UL Listed, CE Marked, CSA, ANSI, DNV GL, and KEMA Certified streamline procurement and compliance. Business Impact: accelerates audits, reduces qualification overhead, and supports global projects. Application: regulated industries and multi-region deployments. Feature: Power Xpert Release trip unit compatibility and three-pole protection. Business Impact: enables precise coordination across redundant feeders and simplifies maintenance with digital tools. Application: switchgear assemblies and motor control centers.

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FAQs

The MPSC403VEAXX2S is a three-pole unit designed for fixed vertical mounting with a Magnum double standard frame. Its dimensions—16.3 in depth, 16.8 in height, and 31.1 in width—facilitate straightforward panel integration and space planning in switchgear, motor control centers, and distribution cabinets.
This breaker supports a 4000 A frame with a 100 kA short-circuit rating. It uses the PXR25 LSIGAM trip unit for precise protection logic, enabling selective coordination and reliable fault isolation across multiple feeders in industrial installations.
Yes. The device is UL Listed, CE Marked, and CSA Certified, with additional attestations including ANSI, DNV GL, KEMA Certified, Lloyd's Register, and ABS certifications. It also bears SABA Listed and CCC markings to support international procurement and deployment.
Ideal for motor control centers, switchgear assemblies, and large distribution panels in manufacturing plants and data centers. The Power Xpert Release trip unit improves coordination and protection, while the unit’s rugged frame supports long service life in demanding industrial environments.
Eaton provides extensive documentation and downloadable assets, including user manuals, application papers, and compatibility guides for PXR trip units. This supports proactive maintenance planning, easier commissioning, and ongoing upgrades to Power Xpert Protection Manager.