Eaton MPSC164MEAXX2Q Magnum LV Circuit Breaker - UL Listed
Part Number: MPSC164MEAXX2Q
Quick Summary
Eaton Magnum low voltage power circuit breaker protects electrical systems by interrupting fault currents in panelboards and switchgear. For engineers, nuisance trips and downtime are costly; Magnum's PXR25 LSIAM trip unit enhances selectivity and provides actionable maintenance data. It carries UL Listed, CE Marked, and CSA Certified marks, with ANSI and KEMA certifications to support global deployment. This combination ensures compliant installations, faster start-ups, and safer operation across diverse industrial environments. Designed for high-current distribution with robust protection features, it aligns with modern industrial demands while supporting ongoing operational efficiency and reduced lifecycle costs.
Product Information
Extended Description
MPSC164MEAXX2Q Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Standard frame, 1600 A, 100 kA, Four-pole, Drawout vertical with motorized racking mounting, PXR25 LSIAM trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPSC164MEAXX2Q
UPC
786689640293
Product Length/Depth
14.6 in
Product Height
16.8 in
Product Width
21.2 in
Product Weight
160 lb
Compliances
NEMA Compliant CCC Marked SABA Listed CE Marked
Certifications
CSA Certified ANSI KEMA Certified UL Listed Lloyd's Register 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
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 x64 22.6 1
Power Xpert Protection Manager x64 22.6 1
Eaton Specification Sheet - MPSC164MEAXX2Q
Eaton Specification Sheet - MPSC164MEAXX2Q
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
High-current capability and four-pole configuration deliver strong protection for large feeders and motors, with a drawout vertical mounting that simplifies routine maintenance and motorized racking. Business impact: reduced downtime during maintenance windows and faster breaker replacements in energized bus arrangements. Application: motor control centers and large switchgear where reliability and quick serviceability are critical. The PXR25 LSIAM trip unit provides precise protection settings and enhanced selectivity, helping plants achieve better coordination and faster isolation of faults. This reduces arc flash exposure and protects expensive downstream equipment. Application: process lines and critical power feeds where uptime is essential. Compliance and certification visibility matter; UL Listed, CE Marked, and CSA Certified status support multinational deployments and supplier audits, improving procurement confidence and risk management. Operation is further simplified by documented installation references and compatibility with Power Xpert Protection Manager for remote monitoring and tuning. Application: facilities pursuing digitalization and predictive maintenance. The four-pole design, 1600 A rating, and 100 kA interrupting capacity offer dependable performance in high fault-current environments, while motorized racking enables rapid switchgear reconfigurations with minimal downtime. This combination reduces total cost of ownership over the product lifecycle and supports scalable protection strategy in growing industrial facilities.
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FAQs
The MPSC164MEAXX2Q uses a drawout vertical mounting tailored for standard Magnum PXR frames and is compatible with low-voltage switchgear and MCCs that accept Magnum PXR style breakers. Ensure frame size, rail type, busbar spacing, and rating align with 1600 A and 100 kA specifications. Always consult Eaton installation manuals for exact accessory compatibility.
The MPSC164MEAXX2Q provides a 1600 A continuous current rating and a 100 kA short-circuit interrupting rating. This combination supports protection of high-demand feeders and large motor loads, enabling reliable fault interruption while sustaining system integrity under heavy fault conditions. Ensure coordination with upstream protections to avoid unnecessary tripping during normal transient events.
Yes. The PXR25 LSIAM trip unit is designed to deliver selective coordination for motor feeders, enabling upstream devices to clear faults without compromising critical loads. This minimizes downtime and arc-flash exposure, helps meet NFPA 70E requirements, and allows for tailored protection curves and settings to match motor inrush and load profiles.
The MPSC164MEAXX2Q carries UL Listed and CE Marked certification, with CSA certification and ANSI/KEMA attestations as part of its global compliance package. These marks support international product acceptance, supplier audits, and regulatory alignment across diverse markets. Verify local regulatory requirements and ensure documentation is up to date for each installation.
Motorized racking enables safe, controlled insertion and withdrawal of the breaker without manual handling, reducing maintenance time and exposure to hazards. It supports faster replacements, easier fault isolation, and better maintenance planning in continuous-operation facilities. This feature also facilitates alignment with predictive maintenance programs and remote monitoring workflows via Power Xpert tools.