Eaton MPSC323WEAXXSW Magnum LV Circuit Breaker - UL Listed
Part Number: MPSC323WEAXXSW
Quick Summary
Eaton MPSC323WEAXXSW Magnum low voltage circuit breaker provides robust protection for industrial power distribution panels. In demanding environments, uptime and rapid fault isolation are critical, and this unit addresses that with high current handling and flexible mounting. This three-pole, standard-frame breaker carries UL Listed and ANSI certifications along with CE marking and SABA listing, supporting global compliance. For manufacturers seeking scalable protection, it pairs well with Magnum PXR trip units when remote protection and protection management are required, delivering reliable protection for panels, machines, and feeders while minimizing life-cycle costs.
Product Information
Extended Description
MPSC323WEAXXSW Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Standard frame, 3200 A, 100 kA, Three-pole, Drawout vertical mounting, No trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPSC323WEAXXSW
UPC
786689635329
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
KEMA Certified Lloyd's Register Certified ANSI UL Listed CSA Certified 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
Microsoft Word - Power Xpert Protection Manager Quick Start Guide.docx
Microsoft Word - Power Xpert Protection Manager Quick Start Guide.docx
Microsoft Word - Power Xpert Protection Manager Quick Start Guide.docx
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 - MPSC323WEAXXSW
Eaton Specification Sheet - MPSC323WEAXXSW
Magnum low-voltage power circuit breakers (ANSI and IEC) renewal parts and accessories
Magnum PXR 20/25 electronic trip units time current curves
Molded case and low-voltage power circuit breaker health
Molded case and low-voltage power circuit breaker health
Molded case and low-voltage power circuit breaker health
Feature: Three-pole, drawout vertical mounting in a standard frame. Business Impact: Enables straightforward replacement and retrofit in existing panel designs, reducing installation time and cabinet reconfiguration. Application: Ideal for industrial power distribution panels and machine control enclosures. Feature: 3200 A rated current with 100 kA short-circuit rating. Business Impact: Provides robust fault-current interruption to minimize damage and downtime during faults. Application: Suitable for high-demand feeders and motor circuits in manufacturing facilities. Feature: Drawout vertical mounting with no trip unit installed. Business Impact: Simplifies maintenance and allows staged upgrade paths as protection needs evolve. Application: Panel assemblies requiring easy access and future trip-unit upgrades in process lines. Feature: Global compliance and certifications (UL Listed, ANSI, CE Marked, SABA Listed, with KEMA, Lloyd’s Register, CSA, ABS, DNV GL). Business Impact: Reduces procurement risk across sites with diverse regulatory requirements. Application: Multinational deployments and regulated industries. Feature: Optional Power Xpert Release trip-unit compatibility. Business Impact: Enables remote protection, fault reporting, and coordinated protection schemes without replacing the base breaker. Application: Centralized protection management in critical facilities and food-and-beverage, chemical, or metal processing plants. Feature: Physical dimensions and weight (14.6 in L x 16.8 in H x 16.2 in W; 118 lb). Business Impact: Facilitates cabinet space planning and supports rack/canel layout optimization. Application: New builds and retrofit projects with strict installation tolerances.
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FAQs
The MPSC323WEAXXSW uses a standard Magnum drawout vertical mounting and a three-pole configuration, designed to drop into compatible panels with minimal retrofitting. Ensure rail alignment, proper bus connection, and adequate clearance for maintenance access. Confirm cabinet dimensions (approx. 14.6 in L x 16.8 in H x 16.2 in W) fit within your enclosure and that the nearby components support the 118 lb weight for safe handling.
This breaker is rated for 3200 A with a 100 kA short-circuit interrupt capability, making it suitable for heavy fault-current environments. Plan for busbar sizing, conductor amperage, and panel insulation ratings accordingly. If you anticipate coordinated protection or remote monitoring, consider pairing with a Power Xpert Release trip unit for enhanced visibility and control.
Yes. It carries UL Listed and ANSI certifications, CE marking, and SABA listing, along with other certifications like KEMA and Lloyd’s Register. This broad certification footprint supports regulatory compliance across North American and international facilities, simplifying procurement and reducing certification bottlenecks in multinational projects.
Absolutely. The Magnum PXR family supports Power Xpert Release trip units, enabling remote protection, sequencing, and integration with protection management software. Even though the unit ships without a trip unit, you can add a PX R trip unit later to unlock enhanced protection features without replacing the breaker itself.
With a 3200 A rating and robust 100 kA interrupt capability, routine inspections of the drawout mechanism, terminals, and bus connections are recommended. Maintain clear labeling and ensure compatibility with protection management tools such as Power Xpert Protection Manager for proactive fault analytics and maintenance scheduling, reducing unexpected downtime and extending equipment life.