Eaton MPSC164HEAXX2A Magnum LV Circuit Breaker - UL Listed

Part Number: MPSC164HEAXX2A
MPSC164HEAXX2A
Manufacturer
Eaton
Part number
MPSC164HEAXX2A
Category

Quick Summary

The Eaton Magnum low voltage power circuit breaker protects industrial power systems by interrupting fault currents. Many installations struggle with nuisance trips and slow fault clearance, which disrupt production; this unit’s PXR20 LSI trip unit improves selectivity and ride-through reliability. It is CE Marked, UL Listed, and CSA Certified with additional Lloyd's Register and CCC/ANSI certifications, underscoring global compliance. By combining robust protection with easy integration into existing and new panels, this solution delivers safer operations, reduced downtime, and lower maintenance costs. For manufacturers pursuing reliability and regulatory alignment, this breaker offers a compelling balance of performance and value in power distribution and motor control applications.

Product Information

Extended Description

MPSC164HEAXX2A Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Standard frame, 1600 A, 100 kA, Four-pole, Fixed horizontal mounting, PXR20 LSI trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPSC164HEAXX2A
UPC
786689639983
Product Length/Depth
14.6 in
Product Height
16.8 in
Product Width
21.2 in
Product Weight
160 lb
Compliances
CE Marked SABA Listed CCC Marked NEMA Compliant
Certifications
Lloyd's Register Certified UL Listed CSA Certified KEMA Certified ANSI 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 - MPSC164HEAXX2A Eaton Specification Sheet - MPSC164HEAXX2A 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 capability and four-pole design enable secure, coordinated protection for main feeders and motor control centers, with a 1600 A rating and 100 kA interrupting capability. Business impact: faster fault clearance and enhanced safety margins, reducing arc flash exposure and downtime in heavy-load environments. Application: ideal for large industrial substations, process plants, and packaging lines where reliability matters. PXR20 LSI trip unit provides advanced local selective interlocking and precise protection settings, improving coordination between upstream and downstream devices. Business impact: minimizes unnecessary trips and improves system uptime, supporting lean manufacturing goals. Application: aligns with selective coordination strategies in complex industrial networks. Fixed horizontal mounting on a standard frame simplifies retrofit and installation inside existing switchgear and panel boards, shortening project timelines and reducing commissioning risk. Business impact: lower labor costs and faster time-to-value. Application: suitable for retrofit projects and new build-outs in retrofit-friendly enclosures. Global compliance is supported by multiple certifications, including UL Listed, CE Marked, CSA Certified, and Lloyd’s Register, providing confidence for cross-border installations. Business impact: procurement streamlining and regulatory peace of mind. Application: procurement and compliance teams can source with fewer exceptions. Comprehensive compatibility with Magnum family renewal parts and Power Xpert Protection Manager integrates diagnostics and monitoring, enabling proactive maintenance and remote management. Business impact: extended service life and data-driven maintenance planning. Application: digital housekeeping for modern smart facilities and OEMs pursuing Industry 4.0 readiness.

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FAQs

The MPSC164HEAXX2A is a four-pole breaker designed for fixed horizontal mounting within standard Magnum PXR frames. It fits within typical low-voltage switchgear footprints and aligns with existing panel widths up to 21.2 in and heights around 16.8 in. Take note of space for heat dissipation and recommended clearance, and ensure compatible mounting kits are used for retrofit projects to simplify installation.
Key specs include a 1600 A continuous current rating and a 100 kA interrupting capacity, four-pole configuration, fixed horizontal mounting, and the PXR20 LSI trip unit. The unit is part of the Magnum line and is designed for high reliability in heavy-load industrial applications, including main feeders and motor control centers.
Yes. The PXR20 LSI trip unit provides local selective coordination capability, enabling precise fault isolation and reduced outage scope. This supports improved system reliability and compliance with coordination practices in complex distribution networks, particularly for facilities pursuing uptime guarantees and safer, more controllable fault zones.
The MPSC164HEAXX2A carries UL Listed, CE Marked, and CSA Certified credentials, complemented by additional Lloyd's Register certification and other global marks. These certifications support compliance across North America and international projects, helping with procurement, audits, and regulatory requirements for industrial power protection equipment.
Leveraging the PXR20 LSI trip unit helps reduce nuisance trips and enables more predictable maintenance windows, lowering unplanned downtime. The device integrates with Power Xpert Protection Manager for proactive diagnostics, enabling data-driven maintenance planning and longer service life. Over time, this translates to lower total cost of ownership and improved plant productivity.