Eaton MPSC323HEAXX2A Magnum low voltage Breaker - UL Listed

Part Number: MPSC323HEAXX2A
MPSC323HEAXX2A
Manufacturer
Eaton
Part number
MPSC323HEAXX2A
Category

Quick Summary

Eaton Magnum low voltage circuit breaker protects electrical distribution by interrupting fault currents in LV power systems. In modern facilities, unreliable trips or space constraints can disrupt uptime and throughput, making reliability and installation efficiency critical. This unit carries UL Listed, CE Marked, and ANSI/CSA certifications to support global compliance and safe operation across markets. The Magnum PXR20 LSI trip unit and Power Xpert Release technology enable fast, precise protection decisions, while the standard three-pole, fixed-horizontal mounting simplifies panel integration. Designed for high-demand environments, it delivers consistent protection with scalable coordination options, helping facilities reduce downtime and optimize maintenance while aligning with enterprise reliability goals.

Product Information

Extended Description

MPSC323HEAXX2A Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Standard frame, 3200 A, 100 kA, Three-pole, Fixed horizontal mounting, PXR20 LSI trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPSC323HEAXX2A
UPC
786689634520
Product Length/Depth
14.6 in
Product Height
16.8 in
Product Width
16.2 in
Product Weight
118 lb
Compliances
NEMA Compliant CCC Marked CE Marked SABA Listed
Certifications
ANSI KEMA Certified Lloyd's Register Certified CSA Certified UL Listed ABS Certified DNV GL 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 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 x32 22.06 1 Power Xpert Protection Manager x32 22.06 1 Eaton Specification Sheet - MPSC323HEAXX2A Eaton Specification Sheet - MPSC323HEAXX2A Magnum low-voltage power circuit breakers (ANSI and IEC) renewal parts and accessories Magnum PXR 20/25 electronic trip units time current curves Safer by design: arc energy reduction techniques Safer by design: arc energy reduction techniques Safer by design: arc energy reduction techniques
Feature: 3200 A standard frame rating enables a single, robust main feeder solution, reducing the number of devices required in large switchgear. Business impact: simplifies panel layouts, lowers installation time, and improves space utilization in control rooms and electrical rooms. Application: main distribution panels in manufacturing plants and data centers. Feature: 100 kA short-circuit withstand capability provides strong protection against high-energy faults, increasing equipment life and reducing arc energy exposure. Business impact: minimizes damage and maintenance costs, supports safer startup sequences. Application: heavy industrial applications with stringent fault-current requirements. Feature: PXR20 LSI trip unit delivers advanced protection logic and selectivity, improving coordination across feeders. Business impact: reduces nuisance trips and improves uptime; supports proactive maintenance planning. Application: critical processes and process industry equipment. Feature: Fixed horizontal mounting and three-pole configuration enable straightforward integration into standard enclosures. Business impact: lowers install time and reduces field errors; enables plug-and-play reliability. Application: new builds and panel retrofits. Feature: Full compliance footprint with NEMA, CE, and CSA markings plus ANSI certifications; Business impact: assures regulatory adherence and smoother cross-border deployments. Application: global projects with strict compliance requirements. Feature: Zone selective interlocking (ZSI) concepts are supported by Eaton’s guidance papers, aiding selective coordination strategies. Business impact: enhances safety and reduces arc energy in complex motor networks. Application: motor control centers and power distribution schemes in manufacturing and infrastructure. Feature: Renewal parts, manuals, and compatible accessories are readily available, supporting long-term lifecycle management. Business impact: lowers total cost of ownership and simplifies maintenance planning. Application: any Magnum PXR installation requiring ongoing service and upgrades.

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FAQs

The MPSC323HEAXX2A uses a standard Magnum fixed horizontal mounting, three-pole configuration, and a standard frame designed for compatibility with typical low-voltage switchgear. It integrates with existing panel layouts, simplifies wiring, and pairs with the PXR20 LSI trip unit for streamlined protection coordination, reducing retrofit complexity and field errors.
This model supports a 3200 A current rating and a 100 kA short-circuit withstand. It features the Magnum PXR trip unit (LSI) for precise protection logic, three-pole configuration, and a fixed horizontal mounting arrangement, delivering reliable protection for large feeders and critical loads.
Yes. With the PXR20 LSI trip unit and the availability of documentation on selective coordination, Zone Selective Interlocking concepts can be leveraged to optimize protection distances and coordinated tripping. This improves uptime and minimizes widespread outages in complex motor and feeder networks.
The MPSC323HEAXX2A carries UL Listed, CE Marked, and CSA Certified marks, along with ANSI and other certifications. This broad certification footprint supports compliance in North America and across international sites, facilitating safe operation in regulated environments.
Eaton provides comprehensive manuals, renewal parts, and accessories for Magnum PXR breakers, enabling proactive maintenance and lifecycle management. Availability of application notes, data sheets, and quick-start guides helps reduce downtime during upgrades, while standardized parts simplify stocking and warranty support across sites.