Eaton MPSC304WEAXX2Q Magnum low voltage power circuit breaker - UL Listed

Part Number: MPSC304WEAXX2Q
MPSC304WEAXX2Q
Manufacturer
Eaton
Part number
MPSC304WEAXX2Q
Category

Quick Summary

Eaton Magnum low voltage power circuit breaker protects industrial electrical systems by interrupting fault currents in power distribution panels. Engineers and procurement teams frequently face downtime and coordination challenges during maintenance and upgrades. This unit combines a 3000 A frame, 100 kA breaking capacity, four-pole design, and a PXR25 LSIAM trip unit to meet demanding standards and improve reliability. UL Listed, CE Marked, and NEMA Compliant certifications provide regulatory confidence for global installations. Coupled with compatible drawout vertical mounting and the Power Xpert Release option, it supports faster service, easier maintenance, and improved protection coordination that lowers downtime and total cost of ownership.

Product Information

Extended Description

MPSC304WEAXX2Q Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Standard frame, 3000 A, 100 kA, Four-pole, Drawout vertical mounting, PXR25 LSIAM trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPSC304WEAXX2Q
UPC
786689634377
Product Length/Depth
14.6 in
Product Height
16.8 in
Product Width
21.2 in
Product Weight
160 lb
Compliances
SABA Listed CE Marked NEMA Compliant CCC Marked
Certifications
Lloyd's Register Certified ANSI UL Listed CSA Certified KEMA 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 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 x64 22.6 1 Power Xpert Protection Manager x64 22.6 1 Eaton Specification Sheet - MPSC304WEAXX2Q Eaton Specification Sheet - MPSC304WEAXX2Q 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
High current rating and fault capacity: The Magnum MPSC304WEAXX2Q features a 3000 A frame and 100 kA short-circuit rating, enabling rapid interruption of large fault currents and reducing arc-flash exposure for nearby equipment and personnel. This capability is critical for heavy motor feeders and large drives in manufacturing and processing plants, where uptime and protective selectivity are non-negotiable. Power Xpert Release trip unit and protection features: The PXR25 LSIAM trip unit provides precise, adjustable protection curves and seamless integration with Eaton's Power Xpert Protection Manager. This enables faster fault diagnosis and coordinated protection across panels, improving overall system reliability in facilities with critical processes and flexible automation. Installation and maintenance advantages: Drawout vertical mounting simplifies replacement and maintenance while minimizing service time during outages. The 14.6 in depth, 16.8 in height, and 21.2 in width footprint, along with 160 lb weight, suits confined cabinets and retrofit projects in retrofit spaces. Four-pole configuration and neutral protection: The four-pole design ensures balanced protection for three-phase systems with neutral connections, enabling proper coordination with downstream protective devices and reducing the risk of nuisance trips in complex loads. Compliance, certifications, and global applicability: UL Listed, ANSI CSA, KEMA, Lloyd's Register, and CE Marked support global deployments and regulatory compliance. This is complemented by NEMA Compliant and CCC Marks, giving engineers confidence during audits and in cross-site rollouts.

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FAQs

This unit uses a drawout vertical mounting arrangement designed for straightforward replacement and service access. The footprint measures 14.6 in depth, 16.8 in height, and 21.2 in width, with an approximate weight of 160 lb, making it suitable for larger switchgear enclosures and retrofit projects while maintaining safe clearances and alignment with upstream protection devices.
Key specs include a 3000 A frame rating and a 100 kA short-circuit breaking capacity, four-pole configuration for three-phase systems with neutral, and a PXR25 LSIAM trip unit. These factors support high fault tolerance, improved coordination, and reliable protection for demanding industrial loads.
Yes. With the PXR25 LSIAM trip unit and the Power Xpert Protection Manager compatibility, the MPSC304WEAXX2Q supports selective coordination strategies. This minimizes nuisance trips and ensures that faulted sections are isolated without impacting upstream equipment, which is crucial for process continuity in manufacturing and data centers.
The breaker is UL Listed and ANSI/CSA certified, with additional markings including CE, KEMA, Lloyd's Register, ABS, and DNV GL. It also lists NEMA compliance and CCC marks, providing confidence for global deployments and passing audits across multiple regions.
The combination of a robust PXR25 trip unit, durable four-pole design, and accessible drawout mounting reduces maintenance downtime and simplifies commissioning. While initial costs may be higher than basic breakers, the improved protection coordination, faster fault diagnosis, and reduced downtime translate to lower total cost of ownership and faster ROI in high-demand environments.