Eaton MPSC303MEAXX2H Magnum LV Circuit Breaker - UL Listed

Part Number: MPSC303MEAXX2H
MPSC303MEAXX2H
Manufacturer
Eaton
Part number
MPSC303MEAXX2H
Category

Quick Summary

Eaton Magnum low voltage power circuit breaker protects electrical distributions in industrial facilities. When nuisance trips or inconsistent protection threaten uptime, reliability becomes critical for production schedules. UL Listed, CSA Certified, and CE Marked, this device meets global compliance requirements while supporting safe, auditable installation and maintenance. The Magnum PXR with motorized racking offers a 3000 A frame and 100 kA interrupting capacity, enabling scalable protection for large feeders. With a standard PXR20 LSIAM trip unit, it simplifies coordination and diagnostics, delivering improved efficiency, reduced downtime, and easier service across multi-site operations.

Product Information

Extended Description

MPSC303MEAXX2H Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Standard frame, 3000 A, 100 kA, Three-pole, Drawout vertical with motorized racking mounting, PXR20 LSIAM trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPSC303MEAXX2H
UPC
786689637767
Product Length/Depth
14.6 in
Product Height
16.8 in
Product Width
16.2 in
Product Weight
118 lb
Compliances
NEMA Compliant SABA Listed CE Marked CCC Marked
Certifications
CSA Certified ANSI Lloyd's Register Certified UL Listed KEMA 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 Power Xpert Release trip unit for Magnum PXR circuit breakers PXR 20/25 user manual Power Xpert Release trip unit for Magnum PXR circuit breakers PXR 20/25 user manual Power Xpert Release trip unit for Magnum PXR circuit breakers PXR 20/25 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 - MPSC303MEAXX2H Eaton Specification Sheet - MPSC303MEAXX2H 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
Feature: 3000 A standard frame with 100 kA interrupting capacity provides robust protection for large feeders. Business impact: minimizes downstream damage, reduces fault-related downtime, and supports reliable system uptime. Application: ideal for industrial power distribution panels and high-demand manufacturing lines where continuous operation is critical. Feature: Drawout vertical mounting with motorized racking enables safe, fast maintenance and quick breaker replacements. Business impact: reduces maintenance time, lowers labor costs, and improves worker safety during servicing. Application: preferred in facilities requiring frequent protection reconfiguration or swap-out during outages. Feature: Power Xpert Release trip unit (PXR20 LSIAM) delivers advanced protection, coordination, and diagnostic visibility. Business impact: improves selective coordination, accentuates fault locating, and supports remote monitoring via Power Xpert tools. Application: data centers, process plants, and multi-zone facilities needing precise protection schemes. Feature: Global certifications and compliance (UL Listed, CSA Certified, CE Marked) support cross-border procurement and installation. Business impact: streamlines sourcing, reduces qualification risk, and accelerates project approvals. Application: multinational sites requiring standardized protection devices across facilities. Feature: Physical dimensions and weight (14.6 in length, 16.8 in height, 16.2 in width, 118 lb) ensure compatibility with standard Magnum enclosures and panel spaces. Business impact: simplifies layout planning, reduces enclosure modifications, and supports efficient spare-part inventory. Application: retrofit projects and new builds where space and weight are constrained.

Get a Quick Quote for a Eaton MPSC303MEAXX2H

Chat with us on WhatsApp - fast responses guaranteed

Need to speak with someone? We'll call you back within 2 hours during business hours

Interested in Eaton MPSC303MEAXX2H? Enquire Now

FAQs

The MPSC303MEAXX2H is a three-pole drawout vertical breaker with motorized racking that fits standard Magnum enclosures. It uses a PXR20 LSIAM trip unit, enabling straightforward replacement in existing distribution panels with minimal panel modification and compatible mounting schemes.
This breaker provides a 3000 A current rating with a 100 kA interrupting capacity and is equipped with the Power Xpert Release PXR20 LSIAM trip unit for precise protection, coordination, and diagnostic data, supporting efficient fault clearance and system protection strategies.
Yes. The PXR20 LSIAM trip unit enables fine-tuned protection and selective coordination across multiple devices. Combined with the Magnum design, it helps ensure that upstream devices don’t trip for downstream faults, improving overall system reliability and reducing unnecessary outages.
The breaker is UL Listed, CSA Certified, and CE Marked, providing recognized safety and performance benchmarks across North America and Europe. These certifications simplify procurement, support regulatory compliance, and facilitate cross-border installations in multinational facilities.
Motorized racking and a drawout design reduce maintenance time and risk during replacements, while the PXR20 trip unit improves fault diagnosis and coordination. Together, these features shorten downtime, lower labor costs, and enhance asset protection, delivering a tangible return on investment over the device lifecycle.