Eaton MPSC303HEAXX2H Magnum low voltage power circuit breaker - UL Listed

Part Number: MPSC303HEAXX2H
MPSC303HEAXX2H
Manufacturer
Eaton
Part number
MPSC303HEAXX2H
Category

Quick Summary

Eaton Magnum low voltage power circuit breaker protects electrical distribution in industrial control panels and manufacturing lines. This device delivers reliable fault protection and control in demanding environments, helping minimize unplanned downtime caused by short circuits or overloads. UL Listed, CE Marked, and NEMA Compliant, along with CSA and other certifications, ensure global compliance and proven reliability. The PXR20 LSIAM trip unit provides precise coordination and adjustable protection tailored to heavy motor loads, while the standard frame and fixed horizontal mounting simplify panel integration. By combining robust protection with protection-management capabilities, this breaker supports safer maintenance, streamlined coordination with Power Xpert Protection Manager, and scalable protection strategies for growing facilities.

Product Information

Extended Description

MPSC303HEAXX2H Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Standard frame, 3000 A, 100 kA, Three-pole, Fixed horizontal mounting, PXR20 LSIAM trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPSC303HEAXX2H
UPC
786689637613
Product Length/Depth
14.6 in
Product Height
16.8 in
Product Width
16.2 in
Product Weight
118 lb
Compliances
CCC Marked CE Marked NEMA Compliant SABA Listed
Certifications
ANSI UL Listed KEMA Certified CSA Certified Lloyd's Register Certified 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 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 - MPSC303HEAXX2H Eaton Specification Sheet - MPSC303HEAXX2H 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: PXR20 LSIAM trip unit integrated into the MPSC303HEAXX2H provides precise overload and short-circuit protection. Business Impact: improves coordination, reduces nuisance trips, and enables tailored protection for motor feeders. Application: ideal for manufacturing lines and critical process loads where uptime matters. Long-tail keywords: Power Xpert Release trip unit, LSIAM trip, motor protection. Paragraph continues with two more sentences. Feature: 3000 A standard frame with 100 kA short-circuit rating supports high fault current protection without oversized hardware. Business Impact: minimizes animal-cost interruptions and simplifies upstream protection coordination. Application: main feeders and large motors in industrial facilities. Long-tail keywords: high fault current protection, 100 kA interrupting rating. Feature: Three-pole design with fixed horizontal mounting simplifies panel integration and reduces enclosure depth requirements. Business Impact: faster installation, predictable space planning, and improved maintenance access. Application: control cabinets and switchgear in production environments. Feature: Dimensions 14.6 in depth, 16.8 in height, 16.2 in width, weight 118 lb provide clear enclosure-fit data for design teams. Business Impact: accurate rack and enclosure planning, easier shipping and handling, and safer lifting. Application: retrofit projects and new builds with limited footprint. Feature: Certifications and compliance including ANSI UL Listed, CE Marked, NEMA Compliant, CSA Certified, and additional third-party listings. Business Impact: ensures regulatory compliance across global sites, simplifying procurement and audits. Application: multinational deployments and cross-border sourcing. Feature: Compatibility with Power Xpert Protection Manager enables protection-management integration for monitoring, reporting, and coordinated tripping strategies. Business Impact: reduces downtime through intelligent protection analytics and easier maintenance planning. Application: data centers, food and beverage lines, and other mission-critical processes.

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FAQs

Yes. The MPSC303HEAXX2H is a Magnum low-voltage circuit breaker designed for standard frame installations and is compatible with Power Xpert Protection Manager for coordinated protection, monitoring, and event logging. Its fixed horizontal mounting simplifying retrofit into existing panels reduces field modification time and risk.
The breaker ships with a Power Xpert Release (PXR) 20 LSIAM electronic trip unit, delivering precise protection coordination. It supports a 3-pole configuration, a 3000 A frame, and a 100 kA interrupting rating, enabling robust protection for high-demand industrial feeders and motor circuits.
Industries with heavy motor loads, such as steel, plastics, and automotive manufacturing, benefit from the 100 kA interrupting rating and precise motor protection. The 3-pole design and PXR trip unit support reliable protection for main feeders, process lines, and critical control circuits in industrial facilities.
The MPSC303HEAXX2H carries ANSI UL Listed certifications and CE Marking, along with NEMA compliance and CSA certification, among others. This multi-standards compliance supports global deployments and streamlines procurement for multinational operations.
With a robust 100 kA interrupting rating, a PXR20 trip unit for accurate protection, and compatibility with protection-management software, this breaker reduces unplanned outages and simplifies fault analysis. The fixed mounting and standard frame also shorten installation time and support long-term maintenance planning, yielding favorable total cost of ownership.