Eaton MPSC303WEAXX2Q Magnum LV Breaker - 100 kA UL Listed
Part Number: MPSC303WEAXX2Q
Quick Summary
The MPSC303WEAXX2Q Magnum low voltage power circuit breaker protects industrial power distribution by interrupting faults in control panels. Maintenance teams often struggle with nuisance trips and slow fault isolation that extend downtime. UL Listed and CE marked, with ANSI CSA and other global certifications, these breakers meet stringent safety and compliance standards. This model supports Power Xpert Release trip units for selective protection and easy maintenance. Vertical drawout mounting simplifies installation and service, reducing downtime and total cost of ownership. Engineers benefit from standardized frame and trip options that simplify stocking and maintenance planning. The result is faster fault isolation, reduced mean time to repair, and improved system uptime.
Product Information
Extended Description
MPSC303WEAXX2Q Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Standard frame, 3000 A, 100 kA, Three-pole, Drawout vertical mounting, PXR25 LSIAM trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPSC303WEAXX2Q
UPC
786689633240
Product Length/Depth
14.6 in
Product Height
16.8 in
Product Width
16.2 in
Product Weight
118 lb
Compliances
NEMA Compliant CE Marked CCC Marked SABA Listed
Certifications
KEMA Certified ANSI UL Listed Lloyd's Register Certified 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 - MPSC303WEAXX2Q
Eaton Specification Sheet - MPSC303WEAXX2Q
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: The MPSC303WEAXX2Q provides a 3000 A rating and a 100 kA short-circuit rating in a three-pole design. Business Impact: This capacity reduces the likelihood of nuisance trips while enabling selective protection across critical feeders, improving overall system reliability and uptime. Application: Ideal for large motor loads and high-inrush feeders in manufacturing plants. Feature: Drawout vertical mounting and standard Magnum frame enable hot‑swapping and safer service with reduced maintenance downtime. Business Impact: Streamlined maintenance planning lowers labor costs and minimizes production interruptions. Application: Retrofit projects and new installations in medium to large control panels. Feature: PXR25 LSIAM trip unit integration supports advanced protection schemes and Power Xpert Protection Manager connectivity. Business Impact: Enhanced coordination, remote diagnostics, and data‑driven maintenance decisions reduce fault impact and extend asset life. Application: Facilities pursuing digital uptime strategies in process industries and high‑throughput environments. Feature: Comprehensive certification and compliance (UL Listed, ANSI, CSA, CE, KEMA, Lloyd’s Register, etc.). Business Impact: Reduces regulatory risk, accelerates audits, and simplifies global deployments. Application: Global manufacturing and multi‑site operations demanding formal certification.Feature: Availability of renewal parts and extensive documentation (datasheets, app notes, and guides) supports long lifecycle and easy upgrades. Business Impact: Improves total cost of ownership and preserves protection levels during plant modernization. Application: OEMs and end users pursuing sustainable maintenance programs.
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FAQs
Follow the manufacturer’s installation guide: verify correct orientation, secure the breaker to the bus with the proper mounting kit, and ensure clearance for insertion/removal. Confirm weight (approximately 118 lb) and match the drawout contacts to the panel frame. Torque connections per torque curves in the datasheet and perform a functional test after installation.
This unit provides a 3000 A current rating with a 100 kA short-circuit rating (SCCR) in a standard Magnum frame. It is a three-pole device equipped with a Power Xpert Release (PXR) LSIAM trip unit, designed for drawout vertical mounting in low‑voltage applications.
The MPSC303WEAXX2Q is UL Listed and CE marked, with ANSI and CSA certifications among others. It also carries additional global attestations from KEMA, Lloyd’s Register, ABS, and DNV GL, ensuring suitability for diverse international installations and rigorous safety standards.
Ideal for industrial power distribution, control panels, and machine protection in manufacturing, processing, and packaging environments. Its 100 kA SCCR and 3000 A rating support large feeders and high‑inrush loads, while the drawout mounting simplifies maintenance in space‑constrained panels.
By enabling selective protection with PXR trip units, remote monitoring via compatible systems, and quick maintenance through vertical drawout mounting, it reduces downtime, extends asset life, and lowers total cost of ownership. Availability of renewal parts and extensive documentation also supports long‑term value and easier plant modernization.