Eaton MPSC403VEAXXSW Magnum circuit breaker - UL Listed

Part Number: MPSC403VEAXXSW
MPSC403VEAXXSW
Manufacturer
Eaton
Part number
MPSC403VEAXXSW
Category

Quick Summary

Eaton Magnum low voltage power circuit breaker protects electrical systems in industrial plants by interrupting fault currents. This model, MPSC403VEAXXSW, supports three-pole protection with a double standard frame and fixed vertical mounting, delivering up to 4000 A Iu and 100 kA interrupt capability. Operators often wrestle with selecting protection that combines reliability with installation practicality; this unit addresses that by offering a balanced footprint and broad compliance coverage. With certifications including UL Listed, ANSI, and CE Marked, it supports global programs. Leveraging Magnum PXR compatibility and access to renewal parts, it fits into modern power-management strategies and digital protection workflows for smarter, safer facilities.

Product Information

Extended Description

MPSC403VEAXXSW Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Double standard frame, 4000 A (ABCABC), 100 kA, Three-pole, Fixed vertical mounting, No trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPSC403VEAXXSW
UPC
786689634735
Product Length/Depth
16.3 in
Product Height
16.8 in
Product Width
31.1 in
Product Weight
237 lb
Compliances
CCC Marked SABA Listed NEMA Compliant CE Marked
Certifications
Lloyd's Register Certified UL Listed ANSI KEMA Certified CSA Certified ABS Certified DNV GL Certified
Frame
Double standard
Number of poles
Three-pole
Type
Magnum PXR
Frame
Double standard
Series
Magnum
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 Magnum PXR low voltage power circuit breakers user manual Magnum PXR low voltage power circuit breakers user manual Magnum PXR low voltage power circuit breakers 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 - MPSC403VEAXXSW Eaton Specification Sheet - MPSC403VEAXXSW 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
High current capability with 4000 A Iu and 100 kAIC interrupt rating provides robust fault protection for large feeders, reducing equipment damage and downtime. The three-pole, fixed vertical mounting in a double standard frame simplifies integration into existing panels, streamlining retrofits and new installations alike while maintaining a compact footprint for space-constrained electrical rooms. Although this model ships with no trip unit, it remains fully compatible with Magnum PXR trip units and the Power Xpert protection ecosystem, enabling scalable protection strategies and selective coordination as your system evolves. The unit’s 16.3 in length, 16.8 in height, and 31.1 in width, together with a 237 lb weight, inform precise mounting and support planning. Global certifications—UL Listed, ANSI, CE Marked, and others—confirm regulatory alignment and vendor confidence. Renewal parts and accessories for Magnum PXR are readily available, supporting long-term lifecycle management and reduced maintenance costs.

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FAQs

MPSC403VEAXXSW ships without a trip unit, but is fully compatible with Magnum PXR trip units if advanced protection and selective coordination are required. It fits the Magnum family chassis with a double standard frame and fixed vertical mounting, enabling straightforward upgrades without panel rework and ensuring alignment with existing Power Xpert protection workflows.
The device is rated for an uninterrupted current (Iu) of 4000 A and an interrupt rating of 100 kAIC. It is a three-pole breaker with a double standard frame, designed for fixed vertical mounting, and supports high-demand industrial feeders while meeting essential safety standards.
Yes, thanks to its 100 kAIC interrupt rating and 4000 A Iu capacity, this breaker can protect essential data-center feeders from high-energy faults. It carries global certifications (UL Listed, ANSI, CE Marked) that support data-center regulatory compliance, though field coordination with protection relays and trip units should be planned for precise sensitivity and selectivity.
This model carries UL Listed and ANSI certifications, plus CE Marked compliance and other recognized approvals (Lloyd's Register, CSA, CSA, DNV GL, ABS, etc.). These certifications validate safety, reliability, and regulatory acceptance across global markets, reducing procurement risk and simplifying cross-border project approvals.
Even though MPSC403VEAXXSW has no built-in trip unit, Magnum PXR compatible trip units and renewal parts are available to extend lifecycle and upgrade protection schemes. The corresponding renewal parts datasheets and application papers support long-term maintenance planning, ensuring you can scale protection without replacing the entire breaker assembly.